Primary inguinal subcutaneous endometriosis accompanied with an inguinal hernia: A case report
Pei-Chen Chen1, Chiu-Hsuan Cheng2, Dah-Ching Ding1,3
1Department of Obstetrics and Gynecology.
Rationale:
We report a case with inguinal subcutaneous endometriosis without typical cyclic dysmenorrhea and accompanied with a hernia sac treated with resection of the tumor and herniorrhaphy.
Patient Concerns:
A 40-year-old woman had a painless enlarged inguinal nodule for 3 months.
Diagnoses:
Subcutaneous endometriosis accompanied with a hernia sac.
Interventions:
Ultrasonography showed a hypoechoic lesion (3.0 cm × 2.0 cm), and an inguinal subcutaneous tumor was first suspected. After surgical exploration, a cystic lesion was excised and the hernia hole was repaired by herniorrhaphy. The immunohistochemical analysis of the small endometriotic cyst-like lesion revealed calretinin (-) in epithelial cells and CD10 (+) in stromal cells, indicative of subcutaneous endometriosis accompanied with a hernia sac.
Outcomes:
The patient was followed up for 1 year and without recurrence.
Lessons:
Cutaneous endometriosis accompanied with a hernia sac can be presented without typical endometriosis-associated symptoms such as dysmenorrhea. Inguinal endometriosis might be the differential diagnosis of inguinal painless nodules.
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