In-situ neoplasia in squamous cell carcinoma of the parotid. A case report.
This case report demonstrates the origin of a primary squamous cell carcinoma of the parotid gland in squamous metaplasia of the parotid ducts. Comparison is made between parotid ductal intraepithelial neoplasia and cervical intraepithelial neoplasia. The clinical importance of establishing the primary origin of these tumours and the need for extensive tissue sampling is emphasized.
D000368:Aged; D002278:Carcinoma in Situ / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000473:pathology* / Q000601:surgery; D006801:Humans; D008297:Male; D008679:Metaplasia; D009361:Neoplasm Invasiveness; D010306:Parotid Gland / Q000473:pathology; D010307:Parotid Neoplasms / Q000473:pathology* / Q000601:surgery