Abdominal Wall Endometrioma after Cesarean Section: Report of a Case

Chih‐Hsien Wang, Jyh-Herng Lin, Wen‐Hsi Lin, Sheng‐Hong Tseng, Yun Chen, Po‐Huang Lee
In: Formosan Journal of Surgery · 2004 · vol. 37(4) , pp. 171–174 · doi:10.29833/fjs.200407.0004 · W2266931633
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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-12 ⓘ

This case report describes a painful, hormonally responsive mass in the abdominal wall of a woman 4 years post-cesarean section, which was diagnosed via biopsy as an endometrioma and successfully treated with surgical excision.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-12 · read from full text ⓘ

This paper reports a case of abdominal wall endometrioma in a 29-year-old woman who had undergone a cesarean section four years earlier. She presented with a painful lower abdominal wall mass whose size fluctuated with the menstrual cycle, and imaging showed a heterogeneous tumor within the rectus abdominis muscle; ultrasound-guided biopsy confirmed the diagnosis. The authors performed wide surgical excision and the patient recovered smoothly, noting that preoperative diagnosis is difficult and that complete excision is used to help prevent recurrence. This paper is centrally about endometriosis — it specifically describes an abdominal wall (post-cesarean) endometrioma case.

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Abstract

Endometrioma, ectopic endometrial tissue, usually occurs in the pelvis. Endometrioma in the abdominal wall associated with abdominal wall endometrioma having received cesarean section 4 years before. The endometrioma presented as a painful mass in the lower abdominal wall with the size fluctuating with her menstruation cycle. Imaging study revealed a heterogeneous mass in the rectus abdominis muscle. Sonography-guided biopsy revealed an endometrioma. Wide surgical excision was performed and the patient recovered smoothly. Abdominal wall endometrioma is difficult to be diagnosed preoperatively and should be kept in mind in cases with previous cesarean section. The treatment of abdominal wall endometrioma is complete surgical excision to prevent recurrence.
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- 期刊 子宮內膜異位瘤，乃是異位的子宮內膜組織所造成，通常發生在骨盆腔。子宮內膜異位瘤長在腹壁，且發生在曾接受過帝王切開術的婦女上則很少見。我們報告一位29歲患有腹壁子宮內膜異位瘤的女性病患，她曾在四年前接受過帝王切開術。子宮內膜異位瘤表現為一個在下腹部疼痛的腫瘤，腫瘤的大小會隨著月經週期而有變化。影像學檢查看到一個不均勻的腫瘤長在下腹部腹直肌。在超音波導引下的切片結果顯示為子宮內膜異位瘤。我們進一步進行大範圍的外科手術切除，病人在術後恢復良好。腹壁子宮內膜異位瘤很難在術前就診斷出來，對於那些之前接受過帝王切開術的病人的下腹部腫瘤，尤其應該時時注意腹壁子宮內膜異位瘤的可能性。手術完全切除是治療腹壁子宮內膜異位瘤的最好的治療方式，以避免復發。 Endometrioma, ectopic endometrial tissue, usually occurs in the pelvis. Endometrioma in the abdominal wall associated with abdominal wall endometrioma having received cesarean section 4 years before. The endometrioma presented as a painful mass in the lower abdominal wall with the size fluctuating with her menstruation cycle. Imaging study revealed a heterogeneous mass in the rectus abdominis muscle. Sonography-guided biopsy revealed an endometrioma. Wide surgical excision was performed and the patient recovered smoothly. Abdominal wall endometrioma is difficult to be diagnosed preoperatively and should be kept in mind in cases with previous cesarean section. The treatment of abdominal wall endometrioma is complete surgical excision to prevent recurrence.

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