A CASE OF APPENDICEAL ENDOMETRIOSIS PRESENTING AS ACUTE APPENDICITIS

Atsushi Satō, Makoto Kataoka, Yoshiyuki Kuwabara, Yasuyuki Kureyama, Masami Mitani, Hiroshi Iwata, Noriyuki Shinoda, Taketoshi KASHIMA, Kouji Hattori, Takashi Yokochi, Akira Masaoka
In: The journal of the Japanese Practical Surgeon Society · 1993 · vol. 54(5) , pp. 1281–1284 · doi:10.3919/ringe1963.54.1281 · W2318730270
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⚙ AI-generated summary by claude@2026-06, 2026-06-10 ⓘ

This case report details a 47-year-old female diagnosed with acute appendicitis due to appendiceal endometriosis, confirmed histologically after appendectomy.

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This 1993 paper reports a case of appendiceal endometriosis in a 47-year-old woman who presented with right lower quadrant abdominal pain and was diagnosed with acute appendicitis, leading to appendectomy. Intraoperatively, there was turbid ascites in the Douglas cavity and inflammatory changes in the appendix, particularly at the tip. Histology showed endometrial tissue with petechial hemorrhage and proliferation of interstitial cells mainly in the tunica muscularis at the appendiceal tip. The authors note that only 10 cases of appendiceal endometriosis, including this one, had been reported in Japanese literature. This paper is centrally about endometriosis — specifically appendiceal endometriosis that mimicked acute appendicitis.

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Abstract

A case of appendiceal endometriosis presenting as acute appendicitis in a 47-year-old female is reported. The patient visited the hospital because of abdominal pain in the right lower quadrant. She was diagnosed as acute appendicitis, and appendectomy was performed. There was turbid ascites in the Douglas cavity. The appendix showed inflammatory changes, especially at the tip. Histological observation revealed endometrial tissues with petechial hemorrhage and a growth of interstitial cells, mainly in the tunica muscularis, at the tip of the appendix. Only 10 cases of appendiceal endometriosis including this case can be seen in the Japanese literature.
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A CASE OF APPENDICEAL ENDOMETRIOSIS PRESENTING AS ACUTE APPENDICITIS 1993 Volume 54 Issue 5 Pages 1281-1284 Details Abstract A case of appendiceal endometriosis presenting as acute appendicitis in a 47-year-old female is reported. The patient visited the hospital because of abdominal pain in the right lower quadrant. She was diagnosed as acute appendicitis, and appendectomy was performed. There was turbid ascites in the Douglas cavity. The appendix showed inflammatory changes, especially at the tip. Histological observation revealed endometrial tissues with petechial hemorrhage and a growth of interstitial cells, mainly in the tunica muscularis, at the tip of the appendix. Only 10 cases of appendiceal endometriosis including this case can be seen in the Japanese literature. The patient visited the hospital because of abdominal pain in the right lower quadrant. She was diagnosed as acute appendicitis, and appendectomy was performed. There was turbid ascites in the Douglas cavity. The appendix showed inflammatory changes, especially at the tip. Histological observation revealed endometrial tissues with petechial hemorrhage and a growth of interstitial cells, mainly in the tunica muscularis, at the tip of the appendix. Only 10 cases of appendiceal endometriosis including this case can be seen in the Japanese literature. © Japan Surgical Association Favorites & Alerts Recently viewed articles

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endometriosis

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