Abstract
Objective: Mammary analogue secretory carcinoma is a new entity in salivary gland tumors that has only been recently described. It has overlapping histopathological features with acinic cell carcinoma and low grade variants of cystadenocarcinoma. It has a distinct chromosomal translocation, t(12;15)-(p13;q25), resulting in a fusion gene ETV6 NTRK3. The clinical course of this disease entity is uncertain at present. We present a case of MASC of the parotid gland occurring in a 34-year-old man and discuss the difficulties in diagnosis and subsequent treatment of this tumour.
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