title: Ovarian sex cord tumor with annular tubules.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000209:etiology; D010051:Ovarian Neoplasms / Q000473:pathology*; D010580:Peutz-Jeghers Syndrome / Q000473:pathology