{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T15:23:43Z","timestamp":1781277823233,"version":"3.54.1"},"reference-count":112,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Cardiovascular Pathology"],"published-print":{"date-parts":[[2021,1]]},"DOI":"10.1016\/j.carpath.2020.107277","type":"journal-article","created":{"date-parts":[[2020,8,31]],"date-time":"2020-08-31T11:31:31Z","timestamp":1598873491000},"page":"107277","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":25,"special_numbering":"C","title":["Accessory mitral valve tissue: anatomical and clinical perspectives"],"prefix":"10.1016","volume":"50","author":[{"given":"Ertan","family":"Yetkin","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bilal","family":"Cuglan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hasan","family":"Turhan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenan","family":"Yalta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0001","first-page":"511","article-title":"Latent left ventricular outflow tract obstruction due to accessory mitral valve in a 12-year-old boy","volume":"32","author":"Yun","year":"2016","journal-title":"Acta Cardiol Sinica"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0002","first-page":"yty082","article-title":"A rare case of accessory mitral valve tissue causing left ventricular outflow tract obstruction associated with parachute mitral valve, ventricular septal defect, bicuspid aortic valve, unruptured aneurysm of aortic sinus: a case report","volume":"2","author":"Li","year":"2018","journal-title":"Eur Heart J Case Rep"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0003","doi-asserted-by":"crossref","first-page":"200","DOI":"10.1016\/j.case.2019.05.007","article-title":"An extremely rare cause of mitral regurgitation-accessory commissural mitral tissue with anomalous left atrial chordal attachment","volume":"3","author":"Gurrieri","year":"2019","journal-title":"Case"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0004","doi-asserted-by":"crossref","first-page":"769","DOI":"10.1111\/j.1540-8191.2008.00633.x","article-title":"Accessory mitral valve tissue: a case report and an updated review of literature","volume":"23","author":"Yuan","year":"2008","journal-title":"J Card Surg"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0005","doi-asserted-by":"crossref","first-page":"334","DOI":"10.1016\/j.ihj.2013.04.011","article-title":"Isolated non-obstructive accessory mitral valve tissue in an adult mimicking ruptured chordae","volume":"65","author":"Panduranga","year":"2013","journal-title":"Indian Heart J"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0006","doi-asserted-by":"crossref","first-page":"494","DOI":"10.1016\/j.echo.2005.01.027","article-title":"Accessory mitral valve in an adult population: the role of echocardiography in diagnosis and management","volume":"18","author":"Rovner","year":"2005","journal-title":"J Am Soc Echocardiogr"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0007","doi-asserted-by":"crossref","first-page":"489","DOI":"10.1093\/ehjci\/jet163","article-title":"Accessory mitral valve tissue: an updated review of the literature","volume":"15","author":"Manganaro","year":"2014","journal-title":"Eur Heart J Cardiovasc Imaging"},{"key":"10.1016\/j.carpath.2020.107277_bib0008","first-page":"387","article-title":"Observations on the disease of the orifice and valves of the aorta","volume":"7","author":"Chevers","year":"1842","journal-title":"Guy's Hosp Rep"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0009","doi-asserted-by":"crossref","first-page":"382","DOI":"10.1016\/S0022-5223(19)32871-5","article-title":"Subaortic stenosis due to accessory tissue on the mitral valve","volume":"45","author":"MacLean","year":"1963","journal-title":"J Thorac Cardiovasc Surg"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0010","doi-asserted-by":"crossref","first-page":"153","DOI":"10.2169\/internalmedicine.56.7649","article-title":"Acute multiple cerebral infarction in a patient with an accessory mitral valve","volume":"56","author":"Misumi","year":"2017","journal-title":"Intern Med"},{"issue":"17","key":"10.1016\/j.carpath.2020.107277_bib0011","doi-asserted-by":"crossref","first-page":"2515","DOI":"10.2169\/internalmedicine.55.6865","article-title":"Adult accessory mitral valve with septal hypertrophy","volume":"55","author":"Aonuma","year":"2016","journal-title":"Intern Med"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0012","doi-asserted-by":"crossref","first-page":"76","DOI":"10.1007\/s12574-015-0245-5","article-title":"Accessory mitral valve tissue with mitral complex structural abnormality","volume":"13","author":"Imai","year":"2015","journal-title":"J Echocardiogr"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0013","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1007\/s12574-015-0247-3","article-title":"Left ventricular outflow obstruction secondary to accessory mitral valve tissue in a patient with hypertrophic cardiomyopathy","volume":"13","author":"Papadopoulos","year":"2015","journal-title":"J Echocardiogr"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0014","doi-asserted-by":"crossref","first-page":"779","DOI":"10.20344\/amp.5006","article-title":"Incidental asymptomatic accessory mitral valve: a differential diagnosis for intracardiac mass","volume":"27","author":"Donmez","year":"2014","journal-title":"Acta Med Port"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0015","first-page":"276","article-title":"Accessory mitral valve tissue causing features of left ventricular outflow tract obstruction-a case report and updated literature review. Journal of Ayub Medical College","volume":"31","author":"Al-Atta","year":"2019","journal-title":"Abbottabad: JAMC"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0016","doi-asserted-by":"crossref","first-page":"E55","DOI":"10.1111\/echo.12436","article-title":"Accessory mitral valve\u2014an unexpected intra\u2013operative TEE finding causing left ventricular outflow tract obstruction in an adult","volume":"31","author":"Gurzun","year":"2014","journal-title":"Echocardiography"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0017","doi-asserted-by":"crossref","first-page":"e6","DOI":"10.4081\/hi.2011.e6","article-title":"Accessory mitral valve tissue causing severe left ventricular outflow tract obstruction in a post-Senning patient with transposition of the great arteries","volume":"6","author":"Panduranga","year":"2011","journal-title":"Heart Int"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0018","doi-asserted-by":"crossref","first-page":"468","DOI":"10.1067\/mje.2002.115772","article-title":"Three-dimensional echocardiography in congenital malformations of the mitral valve","volume":"15","author":"Espinola-Zavaleta","year":"2002","journal-title":"J Am Soc Echocardiogr"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0019","first-page":"RA126","article-title":"Postoperative outcome in patients with accessory mitral valve tissue","volume":"9","author":"Prifti","year":"2003","journal-title":"Med Sci Monit"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0020","doi-asserted-by":"crossref","first-page":"1205","DOI":"10.1016\/S0003-4975(99)01580-5","article-title":"Clinical and pathological features of accessory valve tissue","volume":"69","author":"Yoshimura","year":"2000","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.carpath.2020.107277_bib0021","first-page":"191","article-title":"Accessory mitral valve tissue in association with discrete subaortic stenosis: a two-dimensional echocardiographic diagnosis","volume":"2","author":"Alboliras","year":"1985","journal-title":"Echocardiography"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0022","doi-asserted-by":"crossref","first-page":"124","DOI":"10.1007\/BF02552391","article-title":"Accessory mitral valve tissue causing left ventricular outflow tract obstruction in D-transposition of the great arteries","volume":"4","author":"Martin","year":"1981","journal-title":"Cardiovasc Intervent Radiol"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0023","doi-asserted-by":"crossref","first-page":"537","DOI":"10.1016\/S0022-5223(19)38079-1","article-title":"Left ventricular outflow tract obstruction owing to accessory endocardial cushion tissue","volume":"78","author":"Nanton","year":"1979","journal-title":"J Thorac Cardiovasc Surg"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0024","doi-asserted-by":"crossref","first-page":"158","DOI":"10.4250\/jcvi.2019.0095","article-title":"Non-obstructive accessory mitral valve tissue in the left ventricular outflow tract with perimembranousventricular septal defect: a rare entity","volume":"28","author":"Garg","year":"2020","journal-title":"J Cardiovasc Imaging"},{"issue":"7","key":"10.1016\/j.carpath.2020.107277_bib0025","doi-asserted-by":"crossref","first-page":"1035","DOI":"10.1016\/S0002-9149(77)80219-1","article-title":"Pathologic anatomy of subaortic stenosis and atresia in the first year of life","volume":"39","author":"Freedom","year":"1977","journal-title":"Am J Cardiol"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0026","first-page":"737","article-title":"[Aortic subvalvular stenosis caused by accessory mitral tissue]","volume":"78","author":"Losay","year":"1985","journal-title":"Arch Mal Coeur Vaiss"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0027","first-page":"438","article-title":"[Progressive subaortic stenosis caused by accessory mitral valve tissue]","volume":"52","author":"Aguilar Inigo","year":"1999","journal-title":"Rev Esp Cardiol"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0028","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1016\/S0022-5223(19)37791-8","article-title":"Accessory flaplike tissue causing ventricular outflow obstruction","volume":"80","author":"Gomes","year":"1980","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.carpath.2020.107277_bib0029","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1016\/S0022-5223(19)32795-3","article-title":"Subaortic stenosis caused by anomalies of the atrioventricular valves","volume":"48","author":"Sellers","year":"1964","journal-title":"J Thorac Cardiovasc Surg"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0030","first-page":"267","article-title":"[A case of subaortic stenosis due to parashute accessory mitral valve tissue]","volume":"45","author":"Takagi","year":"1992","journal-title":"Kyobu geka Japn J Thorac Surg"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0031","doi-asserted-by":"crossref","first-page":"110","DOI":"10.1093\/icvts\/ivr011","article-title":"Accessory mitral valve tissue: an unusual cause of congenital mitral stenosis","volume":"14","author":"Rao","year":"2012","journal-title":"Interact Cardiovasc Thorac Surg"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0032","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/j.case.2017.09.004","article-title":"Accessory mitral valve tissue: an unusual echocardiographic finding","volume":"2","author":"Rabischoffsky","year":"2018","journal-title":"Case"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0033","doi-asserted-by":"crossref","first-page":"950","DOI":"10.1016\/0003-4975(93)90123-Y","article-title":"Trans-ventricular septal defect approach for resection of accessory mitral valve tissue","volume":"55","author":"Yasui","year":"1993","journal-title":"Ann Thorac Surg"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0034","doi-asserted-by":"crossref","first-page":"957","DOI":"10.1016\/S0894-7317(05)80026-4","article-title":"Aneurysm of the membranous ventricular septum and accessory valvular tissue causing obstruction of the pulmonary outflow tract in corrected transposition","volume":"8","author":"Rodrigues","year":"1995","journal-title":"J Am Soc Echocardiogr"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0035","doi-asserted-by":"crossref","first-page":"E34","DOI":"10.1111\/j.1540-8175.2011.01543.x","article-title":"An accessory mitral valve leaflet causing left ventricular outflow tract obstruction and associated with severe aortic incompetence","volume":"29","author":"Tamin","year":"2012","journal-title":"Echocardiography"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0036","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1530\/ERP-17-0016","article-title":"A retrospective analysis of mitral valve pathology in the setting of bicuspid aortic valves","volume":"4","author":"van Rensburg","year":"2017","journal-title":"Echo Res Pract"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0037","doi-asserted-by":"crossref","first-page":"367","DOI":"10.1093\/ejcts\/ezs152","article-title":"New insights into bicuspid aortic valve disease: the elongated anterior mitral leaflet","volume":"43","author":"Charitos","year":"2013","journal-title":"Eur J Cardiothorac Surg"},{"issue":"8","key":"10.1016\/j.carpath.2020.107277_bib0038","doi-asserted-by":"crossref","first-page":"943","DOI":"10.1093\/ehjci\/jew084","article-title":"Hanging by a thread, severe mitral regurgitation due to accessory left atrial cord","volume":"17","author":"Alsaid","year":"2016","journal-title":"Eur Heart J Cardiovasc Imaging"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0039","doi-asserted-by":"crossref","first-page":"750","DOI":"10.1111\/echo.13869","article-title":"A late presentation of congenital cardiac anomaly: accessory chordae from the left atrium causing severe mitral regurgitation","volume":"35","author":"D'Onghia","year":"2018","journal-title":"Echocardiography"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0040","doi-asserted-by":"crossref","DOI":"10.1016\/j.echo.2007.07.002","article-title":"An unusual cause of severe mitral regurgitation: aberrantly inserted chordae tendineae","volume":"21","author":"Dawson","year":"2008","journal-title":"J Am Soc Echocardiogr"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0041","doi-asserted-by":"crossref","first-page":"592","DOI":"10.1016\/S0003-4975(02)03515-4","article-title":"Accessory fibrous band causing anterior mitral valve leaflet restriction","volume":"74","author":"Vlassak","year":"2002","journal-title":"Ann Thorac Surg"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0042","doi-asserted-by":"crossref","first-page":"e3","DOI":"10.1016\/j.jtcvs.2008.05.058","article-title":"Accessory left atrial chordae: an unusual cause of mitral valve insufficiency","volume":"139","author":"Sherif","year":"2010","journal-title":"J Thorac Cardiovasc Surg"},{"issue":"8","key":"10.1016\/j.carpath.2020.107277_bib0043","first-page":"564","article-title":"Accessory mitral papillary muscle causing severe aortic insufficiency","volume":"38","author":"Ucak","year":"2010","journal-title":"Turk Kardiyoloji Dernegi Arsivi"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0044","first-page":"534","article-title":"Case images: Isolated accessory mitral valve leaflet","volume":"44","author":"Toufan","year":"2016","journal-title":"Turk Kardiyoloji Dernegi Arsivi"},{"issue":"17","key":"10.1016\/j.carpath.2020.107277_bib0045","doi-asserted-by":"crossref","first-page":"e434","DOI":"10.1161\/CIRCULATIONAHA.111.021030","article-title":"Images in cardiovascular medicine. Accessory mitral valve with cordal attachments to mitral and aortic valves: an unusual cause of left ventricular outflow tract obstruction and both mitral and aortic insufficiencies","volume":"124","author":"Gaspar","year":"2011","journal-title":"Circulation."},{"issue":"48","key":"10.1016\/j.carpath.2020.107277_bib0046","doi-asserted-by":"crossref","first-page":"3464","DOI":"10.1093\/eurheartj\/ehu297","article-title":"Left ventricular outflow tract obstruction secondary to accessory mitral valve tissue: a multimodality imaging approach","volume":"35","author":"Marie-Philippe","year":"2014","journal-title":"Eur Heart J"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0047","first-page":"774","article-title":"Accessory mitral valve tissue causing left ventricular outflow tract obstruction: case reports and literature review","volume":"10","author":"Prifti","year":"2001","journal-title":"J Heart Valve Dis"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0048","doi-asserted-by":"crossref","first-page":"100","DOI":"10.1007\/s12574-013-0175-z","article-title":"Isolated accessory mitral valve tissue in an asymptomatic elderly patient","volume":"11","author":"Tsugu","year":"2013","journal-title":"J Echocardiogr"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0049","doi-asserted-by":"crossref","first-page":"651","DOI":"10.1007\/s00059-013-3882-3","article-title":"Occlusion of the retinal artery occlusion by undiagnosed accessory mitral valve tissue","volume":"39","author":"Alizade","year":"2014","journal-title":"Herz"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0050","doi-asserted-by":"crossref","first-page":"E27","DOI":"10.5152\/akd.2010.179","article-title":"E-page original images. Accessory mitral valve associated with cerebrovascular thromboembolism","volume":"10","author":"Tenekecioglu","year":"2010","journal-title":"Anatolian J Cardiol"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0051","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1136\/hrt.59.4.491","article-title":"Accessory mitral valve leaflet causing aortic regurgitation and left ventricular outflow tract obstruction. Case report and review of published reports","volume":"59","author":"Sono","year":"1988","journal-title":"Br Heart J."},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0052","doi-asserted-by":"crossref","first-page":"344","DOI":"10.1016\/j.athoracsur.2014.03.053","article-title":"Accessory mitral valve leaflet","volume":"98","author":"El-Eshmawi","year":"2014","journal-title":"Ann Thorac Surg"},{"issue":"18","key":"10.1016\/j.carpath.2020.107277_bib0053","doi-asserted-by":"crossref","first-page":"1513","DOI":"10.1016\/j.jacc.2010.04.059","article-title":"Accessory mitral valve associated with mitral cleft, bicuspid aortic valve, and aortic coarctation","volume":"56","author":"To","year":"2010","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.carpath.2020.107277_bib0054","first-page":"2012","article-title":"Accessory mitral valve without subaortic obstruction of left ventricular outflow tract in a middle-aged male","author":"Golias","year":"2012","journal-title":"BMJ case reports"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0055","doi-asserted-by":"crossref","first-page":"1868","DOI":"10.1016\/j.athoracsur.2014.11.024","article-title":"Accessory miniature mitral valve causing subaortic obstruction","volume":"99","author":"Sarioglu","year":"2015","journal-title":"Ann Thorac Surg"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0056","doi-asserted-by":"crossref","first-page":"258","DOI":"10.1111\/echo.13795","article-title":"A rare cause of retinal artery embolism: accessory mitral valve tissue","volume":"35","author":"Kahyaoglu","year":"2018","journal-title":"Echocardiography"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0057","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1055\/s-2007-1021990","article-title":"Abnormal accessory mitral leaflet simulating left ventricular outflow tract tumor","volume":"31","author":"Furuta","year":"1983","journal-title":"Thorac Cardiovasc Surg"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0058","doi-asserted-by":"crossref","first-page":"429","DOI":"10.1016\/j.jcct.2012.11.001","article-title":"Accessory mitral valve tissue: appearance on cardiac computed tomography","volume":"6","author":"Mathias","year":"2012","journal-title":"J Cardiovasc Comput Tomogr"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0059","first-page":"1","article-title":"Left ventricular outflow tract obstruction secondary to right atrial dilatation and accessory mitral valve tissue in a patient with Ebstein's anomaly-Case report","volume":"3","author":"Gray","year":"2019","journal-title":"J Cong Cardiol"},{"issue":"9","key":"10.1016\/j.carpath.2020.107277_bib0060","doi-asserted-by":"crossref","first-page":"3240","DOI":"10.1161\/01.CIR.96.9.3240","article-title":"Images in cardiovascular medicine. Accessory mitral tissue in a young girl","volume":"96","author":"Pettelot","year":"1997","journal-title":"Circulation."},{"issue":"10","key":"10.1016\/j.carpath.2020.107277_bib0061","first-page":"1607","article-title":"[Case of subvalvular aortic stenosis due to accessory tissue on the mitral valve]","volume":"31","author":"Hotta","year":"1983","journal-title":"Nihon Kyobu Geka Gakkai"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0062","first-page":"E15","article-title":"Coexistence of accessory mitral papillary muscle and ventricular septal defect","volume":"13","author":"Isilak","year":"2013","journal-title":"Anatolian J Cardiol"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0063","first-page":"622","article-title":"[Obstruction of the left ventricular outflow tract due to an anomalous muscle bundle and an accessory tissue on the mitral valve associated with mitral stenosis]","volume":"42","author":"Chang","year":"1994","journal-title":"Nihon Kyobu Geka Gakkai"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0064","doi-asserted-by":"crossref","first-page":"105","DOI":"10.2459\/JCM.0b013e3280c852b2","article-title":"Functional systolic anterior motion of the mitral valve due to accessory chordae","volume":"9","author":"Massaccesi","year":"2008","journal-title":"Journal of Cardiovasc Med"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0065","doi-asserted-by":"crossref","first-page":"252","DOI":"10.1055\/s-2007-1013154","article-title":"Accessory mitral valve tissue causing severe subaortic stenosis with dextrocardia in a premature newborn","volume":"47","author":"Bilal","year":"1999","journal-title":"Thorac Cardiovasc Surg"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0066","doi-asserted-by":"crossref","first-page":"513","DOI":"10.1016\/j.amjcard.2017.11.018","article-title":"The Trileaflet Mitral Valve","volume":"121","author":"Chui","year":"2018","journal-title":"Am J Cardiol"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0067","first-page":"720","article-title":"Left ventricular outflow tract obstruction in the presence of asymmetric septal hypertrophy and accessory mitral valve tissue treated with alcohol septal ablation","volume":"9","author":"Kim","year":"2008","journal-title":"Eur J Echocardiogr"},{"issue":"2-3","key":"10.1016\/j.carpath.2020.107277_bib0068","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1016\/S0167-5273(02)00511-9","article-title":"Accessory mitral valve tissue manifesting cerebrovascular thromboembolic event in a 34-year-old woman","volume":"89","author":"Yetkin","year":"2003","journal-title":"Int J Cardiol"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0069","first-page":"591","article-title":"Subaortic stenosis caused by an accessory tissue of the mitral valve","volume":"20","author":"Kuribayashi","year":"1979","journal-title":"J Cardiovasc Surg (Torino)"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0070","first-page":"225","article-title":"Accessory mitral valve tissue: an increasingly recognized cause of left ventricular outflow tract obstruction","volume":"31","author":"Garrett","year":"1990","journal-title":"J Cardiovasc Surg (Torino)"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0071","first-page":"83","article-title":"Rare case of congenital subaortic stenosis caused by hyperplasia of the anterior cusp of the mitral valve]","author":"Zin'kovskii","year":"1984","journal-title":"Grudn Khir"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0072","first-page":"121","article-title":"[Echocardiographic diagnosis of accessory leaflet of mitral valve]","volume":"55","author":"De Souza","year":"1990","journal-title":"Arq Bras Cardiol"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0073","doi-asserted-by":"crossref","DOI":"10.1016\/j.echo.2005.11.014","article-title":"Left ventricular outflow tract obstruction caused by accessory mitral valve tissue","volume":"19","author":"Sharma","year":"2006","journal-title":"J Am Soc Echocardiogr"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0074","doi-asserted-by":"crossref","first-page":"777","DOI":"10.1016\/j.jtcvs.2018.03.095","article-title":"Subaortic stenosis by accessory mitral tissue: failure of embryonic positioning?","volume":"156","author":"Laguna","year":"2018","journal-title":"J Thorac Cardiovasc Surg"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0075","doi-asserted-by":"crossref","first-page":"504","DOI":"10.1016\/S1010-7940(97)00163-2","article-title":"Mitral valve anomalies obstructing left ventricular outflow","volume":"12","author":"Hartyanszky","year":"1997","journal-title":"Eur J Cardiothorac Surg"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0076","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1136\/hrt.66.4.281","article-title":"Transoesophageal echocardiographic assessment of fixed subaortic obstruction in children","volume":"66","author":"Gnanapragasam","year":"1991","journal-title":"Br Heart J"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0077","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1161\/01.CIR.46.2.309","article-title":"Discrete subaortic stenosis","volume":"46","author":"Kelly","year":"1972","journal-title":"Circulation"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0078","doi-asserted-by":"crossref","first-page":"483","DOI":"10.1378\/chest.79.4.483","article-title":"Supernumerary mitral valve producing subaortic stenosis","volume":"79","author":"Hatem","year":"1981","journal-title":"Chest"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0079","first-page":"160","article-title":"Dynamic mild subaortic left ventricular obstruction caused by an accessory mitral valve attached to the anterior mitral valve in a young pregnant woman","volume":"9","author":"D'Aloia","year":"2008","journal-title":"Eur J Echocardiogr"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0080","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1007\/s00246-001-5023-7","article-title":"Accessory mitral valve tissue in combination with subaortic membrane and significant impairment of left ventricular function","volume":"23","author":"Assaqqat","year":"2002","journal-title":"Pediatr Cardiol"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0081","doi-asserted-by":"crossref","first-page":"100","DOI":"10.1016\/S0003-4975(99)00447-6","article-title":"Fixed left ventricular outflow tract obstruction in presumed hypertrophic obstructive cardiomyopathy: implications for therapy","volume":"68","author":"Bruce","year":"1999","journal-title":"Ann Thorac Surg"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0082","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1159\/000091290","article-title":"Accessory mitral valve tissue: report of two asymptomatic cases","volume":"105","author":"Uslu","year":"2006","journal-title":"Cardiology"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0083","doi-asserted-by":"crossref","first-page":"286","DOI":"10.1016\/S0167-5273(96)02825-2","article-title":"Subaortic stenosis due to accessory tissue of the mitral valve associated with Ebstein's anomaly in an adult","volume":"57","author":"Isobe","year":"1996","journal-title":"Int J Cardiol"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0084","first-page":"69","article-title":"Left ventricular outflow tract obstruction with abnormal papillary muscles","volume":"11","author":"Oe","year":"2015","journal-title":"J Cardiol Cases"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0085","doi-asserted-by":"crossref","first-page":"516","DOI":"10.1007\/s005950200088","article-title":"Accessory mitral valve associated with aortic regurgitation in an elderly patient: report of a case","volume":"32","author":"Yao","year":"2002","journal-title":"Surg Today"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0086","doi-asserted-by":"crossref","first-page":"e57","DOI":"10.1016\/j.ijcard.2007.11.011","article-title":"A potential source of cardioembolic cerebrovascular event: accessory mitral valve tissue","volume":"133","author":"Turhan","year":"2009","journal-title":"Int J Cardiol"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0087","doi-asserted-by":"crossref","first-page":"431","DOI":"10.2143\/AC.57.6.2005468","article-title":"Accessory mitral valve tissue as a cause of left ventricular outflow tract obstruction and probable cause of cerebrovascular accident","volume":"57","author":"Cemri","year":"2002","journal-title":"Acta Cardiol"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0088","doi-asserted-by":"crossref","first-page":"e76","DOI":"10.1016\/j.ijcard.2007.05.107","article-title":"Accessory mitral valve as a potential source of cardioembolism","volume":"131","author":"Bar","year":"2009","journal-title":"Int J Cardiol"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0089","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1007\/s003800200050","article-title":"A neonate with mitral stenosis due to accessory mitral valve, ventricular septal defect, and patent ductus arteriosus: changes in echocardiographical findings during the neonatal period","volume":"17","author":"Ito","year":"2002","journal-title":"Heart Vessels"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0090","doi-asserted-by":"crossref","first-page":"769","DOI":"10.1111\/j.1540-8191.2008.00633.x","article-title":"Accessory mitral valve tissue: a case report and an updated review of literature","volume":"23","author":"Yuan","year":"2008","journal-title":"J Card Surg"},{"key":"10.1016\/j.carpath.2020.107277_bib0091","doi-asserted-by":"crossref","first-page":"549","DOI":"10.1016\/j.ijcard.2015.08.141","article-title":"Tri-leaflet mitral valve variant of hypertrophic obstructive cardiomyopathy: Comprehensive assessment with 3-D transesophageal echocardiography","volume":"201","author":"Butler","year":"2015","journal-title":"Int J Cardiol"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0092","first-page":"187","article-title":"[Clinicopathologic study of mitral regurgitation due to abnormal chordae tendineae]","volume":"27","author":"Kuboki","year":"1996","journal-title":"J Cardiol"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0093","doi-asserted-by":"crossref","first-page":"908","DOI":"10.1161\/01.CIR.53.5.908","article-title":"Parachute accessory anterior mitral valve leaflet causing left ventricular outflow tract obstruction. Report of a case with emphasis on the echocardiographic findings","volume":"53","author":"Cooperberg","year":"1976","journal-title":"Circulation"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0094","first-page":"E18","article-title":"Asymptomatic accessory mitral valve tissue diagnosed by echocardiography","volume":"8","author":"Biyikoglu","year":"2008","journal-title":"Anatolian J Cardiol"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0095","doi-asserted-by":"crossref","first-page":"542","DOI":"10.1016\/S1010-7940(99)00023-8","article-title":"Congenital subaortic stenosis by accessory mitral valve tissue, recognition and management","volume":"15","author":"Schmid","year":"1999","journal-title":"Eur J Cardiothorac Surg"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0096","doi-asserted-by":"crossref","DOI":"10.1016\/j.echo.2010.08.006","article-title":"Congenital accessory mitral valve tissue anomaly in a patient with genetically confirmed hypertrophic cardiomyopathy","volume":"24","author":"Musumeci","year":"2011","journal-title":"J Am Soc Echocardiogr"},{"issue":"11","key":"10.1016\/j.carpath.2020.107277_bib0097","doi-asserted-by":"crossref","first-page":"800","DOI":"10.4070\/kcj.2012.42.11.800","article-title":"Asymptomatic accessory mitral valve tissue diagnosed by echocardiography","volume":"42","author":"Uysal","year":"2012","journal-title":"Korean Circ J"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0098","doi-asserted-by":"crossref","first-page":"1071","DOI":"10.1016\/S1010-7940(03)00142-8","article-title":"Accessory mitral valve tissue associated with situs inversus in an elderly patient","volume":"23","author":"Lemke","year":"2003","journal-title":"Eur J Cardiothorac Surg"},{"issue":"2","key":"10.1016\/j.carpath.2020.107277_bib0099","first-page":"E3","article-title":"An unusual cause of aortic regurgitation: accessory mitral valve","volume":"19","author":"Kizilkaya","year":"2018","journal-title":"Anatolian J Cardiol"},{"key":"10.1016\/j.carpath.2020.107277_bib0100","unstructured":"Karabulut D, \u00c7a\u011flar NT, B\u0131y\u0131k \u0130, Cebe H, T\u00fcreli H, Akt\u00fcrk F. Accessory mitral valve misdiagnosed as hypertrophic obstructive cardiomyopathy. 2019."},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0101","doi-asserted-by":"crossref","first-page":"633","DOI":"10.1016\/0002-8703(87)90701-0","article-title":"An integrated mechanism for systolic anterior motion of the mitral valve in hypertrophic cardiomyopathy based on echocardiographic observations","volume":"113","author":"Jiang","year":"1987","journal-title":"Am Heart J"},{"issue":"11","key":"10.1016\/j.carpath.2020.107277_bib0102","doi-asserted-by":"crossref","first-page":"1383","DOI":"10.1136\/hrt.2007.122069","article-title":"Systolic anterior motion of the mitral valve\u2013beyond hypertrophic cardiomyopathy","volume":"94","author":"Luckie","year":"2008","journal-title":"Heart"},{"issue":"1","key":"10.1016\/j.carpath.2020.107277_bib0103","doi-asserted-by":"crossref","first-page":"70","DOI":"10.1111\/j.1747-0803.2010.00427.x","article-title":"A trileaflet \"mitral valve\" with three papillary muscles: brand new echocardiographic finding","volume":"6","author":"Kozak","year":"2011","journal-title":"Cong Heart Dis"},{"issue":"9","key":"10.1016\/j.carpath.2020.107277_bib0104","doi-asserted-by":"crossref","first-page":"1435","DOI":"10.1111\/echo.12938","article-title":"Trileaflet mitral valve with three papillary muscles associated with hypertrophic cardiomyopathy: a novel case","volume":"32","author":"Rosanio","year":"2015","journal-title":"Echocardiography"},{"issue":"26","key":"10.1016\/j.carpath.2020.107277_bib0105","doi-asserted-by":"crossref","first-page":"1697","DOI":"10.1093\/eurheartj\/ehv124","article-title":"Tri-leaflet mitral valve anatomy: a rare occurrence leading to severe mitral valve regurgitation","volume":"36","author":"D'Ancona","year":"2015","journal-title":"Eur Heart J"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0106","doi-asserted-by":"crossref","first-page":"692","DOI":"10.1093\/ehjci\/jev034","article-title":"'Tri-leaflet mitral valve morphology': a new phenotypic expression in hypertrophic cardiomyopathy?","volume":"16","author":"Moya-Mur","year":"2015","journal-title":"Eur Heart J Cardiovasc Imaging"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0107","doi-asserted-by":"crossref","first-page":"534","DOI":"10.1093\/eurheartj\/ehq380","article-title":"Tri-leaflet mitral valve in combination with hypertrophic cardiomyopathy","volume":"32","author":"Irwin","year":"2011","journal-title":"Eur Heart J"},{"issue":"6","key":"10.1016\/j.carpath.2020.107277_bib0108","doi-asserted-by":"crossref","first-page":"1934","DOI":"10.1016\/S0003-4975(00)01418-1","article-title":"Critical subaortic stenosis in a newborn caused by accessory mitral valve tissue","volume":"69","author":"Meyer-Hetling","year":"2000","journal-title":"Ann Thorac Surg"},{"issue":"3","key":"10.1016\/j.carpath.2020.107277_bib0109","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1016\/j.ejcts.2010.02.036","article-title":"Unusual insertion of a mitral chord causing severe valve regurgitation","volume":"38","author":"Taglieri","year":"2010","journal-title":"Eur J Cardiothorac Surg"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0110","doi-asserted-by":"crossref","first-page":"584","DOI":"10.1111\/j.1540-8191.2010.01076.x","article-title":"Congenital anomalous chordae tendinae of the mitral valve: an unusual presentation of mitral insufficiency in children","volume":"25","author":"Taqatqa","year":"2010","journal-title":"J Cardiol Surg"},{"issue":"4","key":"10.1016\/j.carpath.2020.107277_bib0111","doi-asserted-by":"crossref","first-page":"E87","DOI":"10.1111\/j.1540-8175.2011.01599.x","article-title":"Mitral insufficiency caused by left atrial chordae","volume":"29","author":"Aksu","year":"2012","journal-title":"Echocardiography"},{"issue":"5","key":"10.1016\/j.carpath.2020.107277_bib0112","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1093\/jscr\/2011.5.1","article-title":"A rare case of an aberrant anterior mitral valve chord resulting in severe mitral regurgitation","volume":"2011","author":"Khan","year":"2011","journal-title":"J Surg Case Rep"}],"container-title":["Cardiovascular Pathology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1054880720300818?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1054880720300818?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T11:45:56Z","timestamp":1760960756000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1054880720300818"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1]]},"references-count":112,"alternative-id":["S1054880720300818"],"URL":"https:\/\/doi.org\/10.1016\/j.carpath.2020.107277","relation":{},"ISSN":["1054-8807"],"issn-type":[{"value":"1054-8807","type":"print"}],"subject":[],"published":{"date-parts":[[2021,1]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Accessory mitral valve tissue: anatomical and clinical perspectives","name":"articletitle","label":"Article Title"},{"value":"Cardiovascular Pathology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.carpath.2020.107277","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}],"article-number":"107277"}}