{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T16:13:14Z","timestamp":1763741594223,"version":"3.45.0"},"reference-count":14,"publisher":"American Animal Hospital Association","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013]]},"abstract":"<jats:p>An 8 wk old male domestic longhair was presented with an abdominal mass and cryptorchidism. A 2 cm mass was palpable in the midabdomen. Ultrasonography confirmed a complex, septated, cystic mass adjacent and caudal to the right kidney. A normally appearing left kidney was present. Pathologic examination of the excised abdominal mass revealed it to be a kidney with an attached, normal caliber ureter. At surgery, this kidney was separate from the parenchyma of the second, cranial, right kidney. Subsequently, the second right kidney became hydronephrotic and was removed together with the cryptorchid testis and an apparently hypoplastic ureter. This is the first report of a supernumerary kidney in a cat, adding it to the differential diagnoses of abdominal masses.<\/jats:p>","DOI":"10.5326\/jaaha-ms-5885","type":"journal-article","created":{"date-parts":[[2013,7,16]],"date-time":"2013-07-16T22:12:31Z","timestamp":1374012751000},"page":"338-341","source":"Crossref","is-referenced-by-count":4,"title":["Supernumerary Kidney with Ipsilateral Cryptorchidism in a Cat"],"prefix":"10.5326","volume":"49","author":[{"given":"Danielle","family":"Paradise","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Clark","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"3280","reference":[{"issue":"1","key":"bib1","series-title":"Singapore Med J","first-page":"74","article-title":"Supernumerary kidney\u2014a case report and review","volume":"27","author":"Sudhakar Krishnan","year":"1986","unstructured":"Sudhakar Krishnan\n              MM\n            , JeyaRK, JayalakshmiP. Supernumerary kidney\u2014a case report and review. Singapore Med J1986;27(1):74\u20136."},{"issue":"6","key":"bib2","series-title":"JBR-BTR","first-page":"300","article-title":"Bilateral supernumerary kidney: imaging findings","volume":"85","author":"Oto","year":"2002","unstructured":"Oto\n              A\n            , Kerimo\u011fluU, Eski\u00e7orap\u00e7iS. Bilateral supernumerary kidney: imaging findings. JBR-BTR2002;85(6):300\u20133."},{"key":"bib3","series-title":"Caffey\u2019s pediatric x-ray diagnosis: an integrated imaging approach","first-page":"1255","article-title":"Abnormalities of the pelvicaliceal system, ureter, bladder and urethra","author":"Currarino","year":"1993","unstructured":"Currarino\n              G\n            , WoodB, MajdM. Abnormalities of the pelvicaliceal system, ureter, bladder and urethra. In: SilvermanFN, KuhnJP, eds. Caffey\u2019s pediatric x-ray diagnosis: an integrated imaging approach. St. Louis (MO): Mosby; 1993:1255\u2013318."},{"issue":"6","key":"bib4","series-title":"Vet Radiol Ultrasound","first-page":"485","article-title":"Ureteral duplication in a dog","volume":"46","author":"Esterline","year":"2005","unstructured":"Esterline\n              ML\n            , BillerDS, SicardGK. Ureteral duplication in a dog. Vet Radiol Ultrasound2005;46(6):485\u20139."},{"key":"bib5","series-title":"Veterinary pediatrics. Dogs and cats from birth to six months","first-page":"383","article-title":"The urinary system","author":"Kruger","year":"2001","unstructured":"Kruger\n              JM\n            , OsborneCA, LulichJP. The urinary system. In: HoskinsJD, ed. Veterinary pediatrics. Dogs and cats from birth to six months. Philadelphia (PA): WB Saunders; 2001:383."},{"issue":"6","key":"bib6","series-title":"J Am Anim Hosp Assoc","first-page":"462","article-title":"Double ureters with ureteral ectopia in a domestic shorthair cat","volume":"42","author":"Ghantous","year":"2006","unstructured":"Ghantous\n              SN\n            , CrawfordJ. Double ureters with ureteral ectopia in a domestic shorthair cat. J Am Anim Hosp Assoc2006;42(6):462\u20136."},{"author":"Shell","key":"bib7","unstructured":"Shell\n              L\n            \n          . Hydronephrosis. Available at: www.vin.com\/Members\/Associate\/Associate.plx?from=GetDzInfo&DiseaseId=605&id=4953381. Accessed May 19, 2010."},{"issue":"6","key":"bib8","series-title":"J Am Vet Med Assoc","first-page":"795","article-title":"Bilateral hydronephrosis attributable to bilateral ureteral fibrosis in a cat","volume":"192","author":"Leib","year":"1988","unstructured":"Leib\n              MS\n            , AllenTA, KondeLJ. Bilateral hydronephrosis attributable to bilateral ureteral fibrosis in a cat. J Am Vet Med Assoc1988;192(6):795\u20137."},{"issue":"5","key":"bib9","series-title":"J Small Anim Pract","first-page":"213","article-title":"Urinoma (para-ureteral pseudocyst) as a consequence of trauma in a cat","volume":"43","author":"Moores","year":"2002","unstructured":"Moores\n              AP\n            , BellAM, CostelloM. Urinoma (para-ureteral pseudocyst) as a consequence of trauma in a cat. J Small Anim Pract2002;43(5):213\u20136."},{"issue":"2","key":"bib10","series-title":"J Vet Intern Med","first-page":"222","article-title":"Feline ureteral strictures: 10 cases (2007\u20132009)","volume":"25","author":"Zaid","year":"2011","unstructured":"Zaid\n              MS\n            , BerentAC, WeisseC. Feline ureteral strictures: 10 cases (2007\u20132009). J Vet Intern Med2011;25(2):222\u20139."},{"key":"bib11","series-title":"Manual of small animal soft tissue surgery","first-page":"285","author":"Tobias","year":"2010","unstructured":"Tobias\n              KM\n            \n          . Manual of small animal soft tissue surgery. Singapore: Wiley-Blackwell; 2010:285."},{"issue":"2","key":"bib12","series-title":"J Vet Emerg Crit Care (San Antonio)","first-page":"86","article-title":"Ureteral obstructions in dogs and cats: a review of traditional and new interventional diagnostic and therapeutic options","volume":"21","author":"Berent","year":"2011","unstructured":"Berent\n              AC\n            \n          . Ureteral obstructions in dogs and cats: a review of traditional and new interventional diagnostic and therapeutic options. 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