Fine needle aspiration (FNA) cytology of pilomatrixoma: report of 14 cases and review of the literature

Fine needle aspiration (FNA) cytology of pilomatrixoma: report of 14 cases and review of the literature We describe 14 cases of pilomatrixoma which were diagnosed preoperatively on FNA cytology. In contrast to the literature, our series showed male preponderance and some of the tumours in unusual lo...

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Bibliographic Details
Published in:Cytopathology (Oxford) 1999-08, Vol.10 (4), p.263-269
Main Authors: Viero, R. M., Tani, E., Skoog, L.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Biopsy, Needle
Child
Child, Preschool
Female
FNA cytology
Hair Diseases - pathology
Humans
Infant
Male
Medicin och hälsovetenskap
Middle Aged
pilomatrixoma
Pilomatrixoma - pathology
Predictive Value of Tests
Retrospective Studies
skin adnexal
Skin Neoplasms - pathology
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Summary:Fine needle aspiration (FNA) cytology of pilomatrixoma: report of 14 cases and review of the literature We describe 14 cases of pilomatrixoma which were diagnosed preoperatively on FNA cytology. In contrast to the literature, our series showed male preponderance and some of the tumours in unusual locations such as thigh and breast. In three patients the tumours were larger than 5 cm. The clinical diagnosis varied from tumour not otherwise defined to sarcoma. The cytologic presentation had features which allowed a correct diagnosis in all cases and included basaloid cells surrounded by delicate pink fibres, shadow cells, giant cells, naked nuclei and calcium deposits. It is concluded that the FNA cytology of pilomatrixoma is characteristic and will allow a conclusive diagnosis even in cases with an aberrant clinical presentation.
ISSN:0956-5507
1365-2303
DOI:10.1046/j.1365-2303.1999.00188.x