A Case of Terminal Ileum Endometriosis with Symptoms of Acute Appendicitis

Takahiro Umemoto, Kazuaki Yokomizo, Gaku Kigawa, Hiroshi Nemoto, Kenji Hibi
In: Nihon Gekakei Rengo Gakkaishi (Journal of Japanese College of Surgeons) · 2012 · vol. 37(2) , pp. 284–286 · doi:10.4030/jjcs.37.284 · W2001303269
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⚙ AI-generated summary by claude@2026-06, 2026-06-11 ⓘ

A 40-year-old woman presenting with acute appendicitis-like symptoms was diagnosed with terminal ileum endometriosis, which was successfully treated with surgical resection and anastomosis.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-11 · read from full text ⓘ

This paper reports a 40-year-old woman with right lower abdominal pain that occurred only during menstruation and no prior history of endometriosis, presenting with clinical signs consistent with acute appendicitis. Imaging with CT and ultrasonography identified a 30 mm mass at the ileocecal junction suggestive of an appendiceal abscess, although gynecologic examination was normal. The patient underwent resection of the affected bowel segment with ileum–ascending colon anastomosis, and histology confirmed terminal ileum endometriosis. The main limitation is that this is a single case report, not a generalizable study. This paper is centrally about endometriosis — it describes terminal ileum endometriosis mimicking acute appendicitis.

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Abstract

The patient was a 40-year-old woman with right lower abdominal pain that occurred during menstruation only who had no history of endometriosis. Her McBurney’s point was positive with abdominal guarding and rigidity. Gynecological examinations showed normal results. Her menstrual cycles were regular. Abdominal computed tomography and ultrasonography showed a 30 mm mass involving the ileocecal junction that was suggestive of an appendiceal abscess. The patient underwent resection of the bowel segment affected by the disease, followed by anastomosis of the ileum and ascending colon for immediate restoration of intestinal transit. Histological analysis confirmed the diagnosis of endometriosis. The patient remains asymptomatic in 20 months of follow-up after surgery.
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症例報告 A Case of Terminal Ileum Endometriosis with Symptoms of Acute Appendicitis 2012 年 37 巻 2 号 p. 284-286 詳細 抄録 The patient was a 40-year-old woman with right lower abdominal pain that occurred during menstruation only who had no history of endometriosis. Her McBurney’s point was positive with abdominal guarding and rigidity. Gynecological examinations showed normal results. Her menstrual cycles were regular. Abdominal computed tomography and ultrasonography showed a 30 mm mass involving the ileocecal junction that was suggestive of an appendiceal abscess. The patient underwent resection of the bowel segment affected by the disease, followed by anastomosis of the ileum and ascending colon for immediate restoration of intestinal transit. Histological analysis confirmed the diagnosis of endometriosis. The patient remains asymptomatic in 20 months of follow-up after surgery. The patient underwent resection of the bowel segment affected by the disease, followed by anastomosis of the ileum and ascending colon for immediate restoration of intestinal transit. Histological analysis confirmed the diagnosis of endometriosis. The patient remains asymptomatic in 20 months of follow-up after surgery. © 2012 日本外科系連合学会

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Condition tags

endometriosis

Citation neighborhood

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

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