A CASE OF ENDOMETRIOSIS OF THE APPENDIX

Hajime Nakayama; Kiyoshi OGAWA; Katsuji Okui; Nobuyuki Ohara; M. Nunomura; Norio Saitô; H. Sarashina; Nobuyuki Nakajima

doi:10.3919/ringe1963.57.2013

A CASE OF ENDOMETRIOSIS OF THE APPENDIX

Hajime Nakayama, Kiyoshi OGAWA, Katsuji Okui, Nobuyuki Ohara, M. Nunomura, Norio Saitô, H. Sarashina, Nobuyuki Nakajima

In: The journal of the Japanese Practical Surgeon Society · 1996 · vol. 57(8) , pp. 2013–2015 · doi:10.3919/ringe1963.57.2013 · W2325803232

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⚙ AI-generated summary by claude@2026-06, 2026-06-09 ⓘ

This case report describes a 34-year-old female with chronic abdominal pain whose laparoscopic appendectomy revealed endometriosis within the appendix.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-09 · read from full text ⓘ

The paper reports a 34-year-old woman with 2 years of chronic right iliac fossa abdominal pain and no inflammatory findings on blood tests, whose presentation led to a preoperative diagnosis of appendicitis and laparoscopic appendectomy. Intraoperatively, the pelvic cavity showed no other visible endometriosis, and histology identified endometriotic tissue in the tip of the resected appendix forming a ~5 mm mass. The authors note that appendiceal endometriosis is extremely rare and typically presents with chronic abdominal pain without evidence of inflammation, and they state that although preoperative diagnosis is difficult, appropriate surgical treatment is needed due to the risk of lesion growth and perforation. This paper is centrally about endometriosis—specifically endometriosis of the appendix presenting as chronic abdominal pain.

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Abstract

A 34-year-old female was seen at the hospital because of a 2-year lasting chronic abdominal pain in the right iliac fossa. Blood studies showed no evidence of inflammation. Preoperative examination did not disclose other disease in the pelvic cavity. Laparoscopic appendectomy was performed with a preoperative diagnosis of appendicitis. Laparoscopic exploration of the pelvic cavity revealed the firm, white colored appendix and no evidence of endometriosis in other site. Histologically, endometriotic tussue was found in the tip of the resected appendix, forming a mass of approximately 5mm in diameter. Endometriosis of the appendix is extremely rare and the most common symptom is chronic abdominal pain mostly without evidence of inflammation. Although preoperative diagnosis of appendiceal endometriosis is said to be difficult, it should be treated properly by surgery since the growth of the lesion can give rise to perforation. In this case, laparoscopic approach was thought to be extremely useful for diagnosis and treatment.

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A CASE OF ENDOMETRIOSIS OF THE APPENDIX 1996 Volume 57 Issue 8 Pages 2013-2015 Details Abstract A 34-year-old female was seen at the hospital because of a 2-year lasting chronic abdominal pain in the right iliac fossa. Blood studies showed no evidence of inflammation. Preoperative examination did not disclose other disease in the pelvic cavity. Laparoscopic appendectomy was performed with a preoperative diagnosis of appendicitis. Laparoscopic exploration of the pelvic cavity revealed the firm, white colored appendix and no evidence of endometriosis in other site. Histologically, endometriotic tussue was found in the tip of the resected appendix, forming a mass of approximately 5mm in diameter. Endometriosis of the appendix is extremely rare and the most common symptom is chronic abdominal pain mostly without evidence of inflammation. Although preoperative diagnosis of appendiceal endometriosis is said to be difficult, it should be treated properly by surgery since the growth of the lesion can give rise to perforation. In this case, laparoscopic approach was thought to be extremely useful for diagnosis and treatment. © Japan Surgical Association Favorites & Alerts Recently viewed articles

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