Retroperitoneal Endometriotic Cyst Infiltrated in the Iliopsoas Incidentally Found in a Patient with Acute Back Pain

<div>Microscopic findings using hematoxylin and eosin (HE) staining (a) and CD10 (b). We identified the endometrial gland tissues using HE staining and CD10-positive stromal cells using immunohistochemical staining.</div>

Case Reports in Obstetrics and Gynecology

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Figure 3: Retroperitoneal Endometriotic Cyst Infiltrated in the Iliopsoas Incidentally Found in a Patient with Acute Back Pain 