title: Fine-needle aspiration cytology of monomorphic adenomas.
abstract: The diagnostic accuracy of fine-needle aspiration of salivary gland lesions is now widely accepted. The cytologic appearance of two rare monomorphic variants of pleomorphic adenomas is described. The trabecular-tubular adenoma consisted of a trabecular arrangement of uniform small cells with scant basophilic cytoplasm and round nuclei. No mucoid spheres were present. The canalicular adenoma also had a distinctive cytologic appearance consisting of papillae and interconnected canaliculi lined by a layer of columnar epithelium. Monomorphic adenomas have unique morphologic appearances that can be recognized in fine-needle aspiration cytology. Preoperative diagnosis can greatly aid the surgeon in the planning of definitive surgical excision of salivary gland neoplasms.
authors.affiliation: Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland 21205.
authors.forename: R H
authors.initials: RH
authors.lastname: Hruban
authors.forename: Y S
authors.initials: YS
authors.lastname: Erozan
authors.forename: S J
authors.initials: SJ
authors.lastname: Zinreich
authors.forename: H K
authors.initials: HK
authors.lastname: Kashima
mesh_terms: D000236:Adenoma / Q000000981:diagnostic imaging / Q000473:pathology*; D000368:Aged; D000369:Aged, 80 and over; D001707:Biopsy, Needle; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012468:Salivary Gland Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D014057:Tomography, X-Ray Computed