[Pilomatrixoma of the auricle. Differential diagnosis with carcinoma pilomatrixoma].
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.
Nogués Orpí
J
J
Servicio de Otorrinolaringología, Hospital Prínceps d'Espanya.
Serrano Piñol
T
T
Crusat Braña
S
S
Vera Llaó
R
R
Maños Pujol
M
M
Dicenta Sousa
M
M
D000328:Adult; D004428:Ear Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000648:ultrastructure; D004431:Ear, External / Q000473:pathology* / Q000648:ultrastructure; D006801:Humans; D008297:Male; D018296:Pilomatrixoma / Q000175:diagnosis / Q000473:pathology* / Q000648:ultrastructure; D014057:Tomography, X-Ray Computed
Pilomatrixoma de pabellón auricular. Diagnóstico diferencial con el carcinoma pilomatrixial.