Multinodular acinic cell tumor of parotid gland which infiltrated and proliferated along parotid duct.

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This paper reported a rare case of acinic cell tumor which arose in the left parotid gland that seemed to infiltrate and proliferate along the parotid duct and formed a ulcer at the orifice of the parotid duct.<BR>The patient was a 75 year-old woman. She noticed a swelling with dull pain in the posteroinferior region of the left auricle 23 years previously.<BR>Pathological diagnosis of the ulcer by biopsy was acinic cell tumor.<BR>Only the tumor was excised followed by chemotherapy with FT-207 and PSK.<BR>The tumor was multinodular and encapsulated in the greater part but infiltrated out of the capsule in a part. In spite that the capsule was broken at the operation which seemed to worsen the prognosis, there is no evidence of recurrence or metastasis in the patient as of 3 years 7 months after operation.
社団法人日本口腔外科学会の論文