Pilomatrixoma of the auricle. Differential diagnosis with carcinoma pilomatrixoma
Nogués Orpí, J.; Serrano Piñol, T.; Crusat Braña, S.; Vera Llaó, R.; Maños Pujol, M.; Dicenta Sousa, M.
Anales Otorrinolaringologicos Ibero-Americanos 22(2): 169-177
1995
ISSN/ISBN: 0303-8874 PMID: 7778719 Document Number: 447287
A 34 year-old man, with a two centimeter diameter quickly growing nodule on the auricular pavillion is presented. After mass excision the histologic diagnosis of pilomatrixoma was made. Pilomatrixoma is a rare benign tumor arising on the hair matrix. The differential diagnosis include pilomatrix carcinoma, a locally and recurrent aggressive tumor capable to make pulmonary metastasis. A review of the literature is included, with emphasis on the clinical and histopathological aspects and the therapeutic attitude.