Acinic cell carcinoma of the parotid gland with four morphological features
Resumen: Acinic cell carcinoma arising in salivary glands is a rare tumor, accounting for 2% to 5% of the primary neoplasms of the parotid gland. When these tumors are well-differentiated, the neoplasia has innocuous aspect, due to the similarity to normal parotid tissue. This makes the diagnosis difficult. Initially the malignancy of this tumor was uncertain; however, recent studies have declared it as malignant. The female / male ratio is 3:2. The nodule usually presents as solitary and well defined shape. Several authors have used different terms to describe histomorphological patterns of these tumors. Four descriptive categories (solid, microcystic, papillary-cystic and follicular) are useful for pathologists. Here we report a case of a 49 yr old man with a left parotid nodule of 5 cm. Parotidectomy was performed at the Hospital Universitario Miguel Servet, in Zaragoza (Spain). The microscopy showed a tumor with acinic semblance, having the four morphologic patterns previously described. The morphological and immunohistochemical study was consistent with the diagnosis of acinic cell carcinoma.
Idioma: Inglés
Año: 2016
Publicado en: Iranian journal of pathology 11, 2 (2016), 181-185
ISSN: 1735-5303

Originalmente disponible en: Texto completo de la revista

Factor impacto SCIMAGO: 0.168 - Pathology and Forensic Medicine (Q4)

Tipo y forma: Article (Published version)

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