Abstract
This is the first report of a case of intraductal papillary adenocarcinoma of the submandibular gland. The patient was a 51-year-old female. The pathological diagnosis of the submandibular tumor was intraductal papillary adenocarcinoma, a different type from salivary ductcarcinoma of salivary duct origin. Intraductal papillary adenocarcinoma of the pancreas is well known, but there have been no report of this type of cancer in a salivary gland. Most salivary duct carcinomas are of high-grade malignancy, and are of parotid gland origin. It was remarkable that the present tumor was of low-grade malignancy. The submandibular gland, submandibular lymph nodes and superior jugular lymph nodes were resected. Two years after operation the patient has had no recurrence.