Muco-epidermoid carcinoma
· Account for 3-9% of salivary gland tumors
· Consist of two cell types,namely large,pale mucus secreting cells surrounded by epidermoid(squamous)cells
· If mucoid the tumor tends to be cystic
· If mainly epidermoid,the tumor issolidand often then more aggressive
· no well defined capsule,tumor usually grows slowly
· Benign cytological appearances,mucoepidrmoid carcinomas can be invasive and occasionally metastasise
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