title: Ovarian sex cord tumours with annular tubules.
abstract: Five cases of ovarian sex cord tumours with annular tubules are presented. The ages of the patients ranged from 8 to 45 years and the size of the tumours varied from 1 to over 18 cm in diameter. All patients presented with evidence of hormonal disturbance and two appeared to have excess gonadotrophin production. The Peutz-Jeghers syndrome was not described in any patient. The possible origin of the tumour is discussed.
mesh_terms: D000328:Adult; D002462:Cell Membrane / Q000473:pathology; D002467:Cell Nucleus / Q000473:pathology; D002648:Child; D003593:Cytoplasm / Q000473:pathology; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000150:complications; D010051:Ovarian Neoplasms / Q000150:complications / Q000473:pathology*; D011629:Puberty, Precocious / Q000150:complications