title: Ovarian sex cord tumour with annular tubules diagnosed by fine needle aspiration cytology--a case report.
abstract: Sex cord tumor with annular tubules (SCTAT) is a rare ovarian neoplasm with distinctive morphological features whose cytological features have rarely been described. We report a case of SCTAT diagnosed on fine needle aspiration cytology (FNAC) with a brief review of literature. A 35 year old female presented with recurrent abdominal mass. Fine needle aspiration was done under ultra sound guidance. Cytology smears showed three dimensional tubular structures, metachomatic hyaline masses and uniform neoplastic cells dispersed and in cohesive clusters. Cell block study showed the characteristic simple and complex tubules leading to the diagnosis. The cytological findings of a rare ovarian neoplasm are described, which is only the third such report in English literature. The cytologic features of ovarian SCTAT are as distinctive as its histologicfeatures. Cell block study brings out the distinctive architecture of the tumor and helps in differentiating it from other closely related tumors.
authors.affiliation: Department of Pathology, Kidwai Memorial, Institute of Oncology, Bangalore, Karnataka. prema_venka@hotmail.com
authors.forename: Chennagiri S
authors.initials: CS
authors.lastname: Premalata
authors.forename: Usha
authors.initials: U
authors.lastname: Amirtham
authors.forename: Gayatri
authors.initials: G
authors.lastname: Devi
authors.forename: Siddartha
authors.initials: S
authors.lastname: Biswas
authors.forename: Bafna
authors.initials: B
authors.lastname: Ud
authors.forename: K
authors.initials: K
authors.lastname: Umadevi
mesh_terms: D000328:Adult; D044963:Biopsy, Fine-Needle; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000175:diagnosis* / Q000473:pathology*; D010053:Ovary / Q000473:pathology; D018312:Sex Cord-Gonadal Stromal Tumors / Q000175:diagnosis* / Q000473:pathology*