抄録
We have recently treated a patient with an accessory parotid gland tumor. The diagnosis was made by sialography, sialo-CT and MRI. Sialography seemed to be the most useful examination in the diagnosis of this malignant tumor, because it could demonstrate the tangential accessory duct which appeared to be separate from the main parotid gland and duct.
We could respect the tumor without the difficulty of dye injecton into Stenon's duct. In addi-tion, we describe the clinicopathlogical features of previous five patients with accessory parotid tumor (three malignant, two benign) treated in our hospital.
We could recognize the tangential accessory duct in all five patients during the operation.
