title: Spontaneous cutaneous endometriosis in the mons pubis region: a case report diagnosed by fine-needle aspiration biopsy.
abstract: Most cutaneous endometriosis develops at the site of an abdominal surgical scar. Spontaneous cutaneous endometriosis is extremely rare. We report a case of spontaneous cutaneous endometriosis in the mons pubis region. A 41-year-old woman presented with a mass in the right mons pubis, causing cyclic pain associated with menses. Fine-needle aspiration (FNA) biopsy was performed. The smears contained three cellular components: honeycombed sheets of glandular epithelial cells, fragments of ovoid-to-spindle shaped stromal cells, and background inflammatory cells, including hemosiderin-laden macrophages, histiocytes, and neutrophils. Biphasic clusters of glandular epithelial cells and stromal cells were identified. FNA cytology is a safe and useful adjunctive tool for diagnosing cutaneous endometriosis.
authors: Department of Pathology, City of Hope National Medical Center, Duarte, California.
authors: Jing
authors: J
authors: Zhai
mesh_terms: D000328:Adult; D044963:Biopsy, Fine-Needle; D004715:Endometriosis / Q000000981:diagnostic imaging* / Q000473:pathology; D005260:Female; D006801:Humans; D012867:Skin / Q000473:pathology*; D012871:Skin Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D014463:Ultrasonography
keywords: endometriosis; fine-needle aspiration; mons pubis