Endometriosis is defined as the presence of endometrial tissue outside the uterine cavity. Though the commonest site of occurrence is the pelvis, there have been cases of extrapelvic endometriosis reported in the literature. One of such rare sites is the rectus abdominis muscle, with only around 20 cases reported in the literature. Our patient was a 31-year-old female with a previous history of two cesarean sections who presented with cyclical pain over the scar. Imaging revealed the presence of endometrial tissue localized to the rectus abdominis muscle. Excision of the endometrioma with abdominal wall reconstruction using a polypropylene mesh was done. Herein, we present this case for its rarity with a short review of the literature on extrapelvic endometrioma.
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