{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T10:43:42Z","timestamp":1759229022746,"version":"3.44.0"},"reference-count":13,"publisher":"BMJ","issue":"11","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2021,10,29]]},"published-print":{"date-parts":[[2021,11]]},"abstract":"<jats:p>The optimal management of patients with appendiceal endometriosis has not been determined because of the difficulty of establishing a preoperative diagnosis. There are no reports of preoperative hormone therapy for a patient with appendiceal endometriosis. We report a patient who underwent resection of appendiceal endometriosis after hormone therapy. A 40-year-old woman with history of recurrent pelvic abscesses presented to the emergency department with lower abdominal pain. The recurrent pelvic abscesses were synchronised with her menstrual cycle. CT scan demonstrated a 25\u2009mm contrast-enhanced luminal structure adjacent to the cecum, which was thought to be a mucocele of the appendix. Considering the recurrent symptoms during menstruation, endometriosis was suspected. Treatment with a gonadotropin-releasing hormone agonist was started for appendiceal endometriosis, which alleviated the symptoms. After 3\u2009months, elective laparoscopic appendectomy was performed. Preoperative hormonal therapy is an option for patients with appendiceal endometriosis, especially when there is concern for dense adhesions.<\/jats:p>","DOI":"10.1136\/bcr-2021-245667","type":"journal-article","created":{"date-parts":[[2021,11,11]],"date-time":"2021-11-11T12:30:57Z","timestamp":1636633857000},"page":"e245667","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Preoperative hormonal therapy for a patient with appendiceal endometriosis"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4659-5156","authenticated-orcid":false,"given":"Keiko","family":"Shichiri","sequence":"first","affiliation":[{"name":"Surgery, Tokyo Bay Urayasu Ichikawa Medical Center, Urayasu, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1419-972X","authenticated-orcid":false,"given":"Kazuhiro","family":"Nishida","sequence":"additional","affiliation":[{"name":"Surgery, Tokyo Bay Urayasu Ichikawa Medical Center, Urayasu, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6673-5630","authenticated-orcid":false,"given":"Alan Kawarai","family":"Lefor","sequence":"additional","affiliation":[{"name":"Surgery, Jichi Ika Daigaku, Shimotsuke, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tadao","family":"Kubota","sequence":"additional","affiliation":[{"name":"Surgery, Tokyo Bay Urayasu Ichikawa Medical Center, Urayasu, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,11,11]]},"reference":[{"key":"2025082711184234000_14.11.e245667.1","first-page":"265","article-title":"Seventy one thousand human appendix specimens\uff1aa final report summarizing 40- year study","volume":"14","author":"Collins","year":"1963","journal-title":"Am J Proctol"},{"key":"2025082711184234000_14.11.e245667.2","doi-asserted-by":"publisher","DOI":"10.1007\/s00535-006-1855-5"},{"key":"2025082711184234000_14.11.e245667.3","doi-asserted-by":"crossref","first-page":"1099","DOI":"10.1016\/j.fertnstert.2009.10.031","article-title":"Endometriosis at several sites, cyclic bowel symptoms, and the likelihood of the appendix being affected","volume":"94","author":"Abr\u00e3o","year":"2010","journal-title":"Fertil Steril"},{"key":"2025082711184234000_14.11.e245667.4","doi-asserted-by":"crossref","first-page":"100","DOI":"10.1016\/j.jmig.2019.02.015","article-title":"Endometriosis of the appendix: when to predict and how to Manage-A multivariate analysis of 1935 endometriosis cases","volume":"27","author":"Mabrouk","year":"2020","journal-title":"J Minim Invasive Gynecol"},{"key":"2025082711184234000_14.11.e245667.5","doi-asserted-by":"crossref","DOI":"10.1186\/s13256-020-02490-x","article-title":"Neuroendocrine appendiceal tumor and endometriosis of the appendix: a case report","volume":"14","author":"Parra","year":"2020","journal-title":"J Med Case Rep"},{"key":"2025082711184234000_14.11.e245667.6","doi-asserted-by":"publisher","DOI":"10.1007\/s00404-008-0922-y"},{"key":"2025082711184234000_14.11.e245667.7","doi-asserted-by":"crossref","first-page":"omy099","DOI":"10.1093\/omcr\/omy099","article-title":"Isolated appendiceal endometriosis resulting in intussusception","volume":"2018","author":"Manoharan","year":"2018","journal-title":"Oxf Med Case Reports"},{"key":"2025082711184234000_14.11.e245667.8","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/det457"},{"key":"2025082711184234000_14.11.e245667.9","first-page":"CD003678","article-title":"Pre and post operative medical therapy for endometriosis surgery","author":"Yap","year":"2004","journal-title":"Cochrane Database Syst Rev"},{"key":"2025082711184234000_14.11.e245667.10","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmig.2013.01.019"},{"key":"2025082711184234000_14.11.e245667.11","doi-asserted-by":"crossref","unstructured":"Bailey HR . Endometriosis of the Colon and Rectum. In: Current therapy in colon and rectal surgery, 2005: 427\u20139.","DOI":"10.1016\/B978-1-55664-480-1.50076-9"},{"key":"2025082711184234000_14.11.e245667.12","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1046\/j.1365-2508.2001.00407.x","article-title":"A prospective randomized open study comparing goserelin (Zoladex) plus surgery and surgery alone in the management of ovarian endometriomas","volume":"10","author":"Shaw","year":"2001","journal-title":"Gynaecological Endoscopy"},{"key":"2025082711184234000_14.11.e245667.13","doi-asserted-by":"crossref","first-page":"63","DOI":"10.1016\/S0015-0282(16)56816-2","article-title":"Ovarian endometrial cysts: the role of gonadotropin-releasing hormone agonist and\/or drainage","volume":"62","author":"Donnez","year":"1994","journal-title":"Fertil Steril"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2021-245667","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,27]],"date-time":"2025-08-27T18:18:48Z","timestamp":1756318728000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2021-245667"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,11]]},"references-count":13,"journal-issue":{"issue":"11","published-online":{"date-parts":[[2021,11,11]]},"published-print":{"date-parts":[[2021,11]]}},"alternative-id":["10.1136\/bcr-2021-245667"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2021-245667","relation":{},"ISSN":["1757-790X"],"issn-type":[{"type":"electronic","value":"1757-790X"}],"subject":[],"published":{"date-parts":[[2021,11]]}}}