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10 yo 👧w parotid mass.
🔴 Secretory carcinoma (MASC):
☑️Circumscribed, lobulated growth pattern with fibrous septa
☑️Uniform nuclei, distinct nucleoli, and eosinophilic cytoplasm
☑️Microcystic, tubular, follicular and papillary architectures
🔔FISH: ETV6(12p 13.2) gene rearrang.