[Diagnosis and treatment of basal cell adenoma of parotid gland]

Objective:To investigate the clinical features, diagnosis and treatment experience of basal cell adenoma (BCA).Method:The clinical data of 7 patients with basal cell adenoma of the parotid gland from the Second Affiliated Hospital of Medical University of Anhui from March 2012 to June 2016 were retrospectively analyzed. Combined with literature review, the experience of diagnosis and treatment was discussed.Result:Seven BCA were mostly diagnosed as pleomorphic adenoma and adenomatous lymphoma before operation using parotid ultrasound, fine needle aspiration cytology and parotid enhanced CT, and no patients was diagnosed as BCA prior to the operation. Four cases were diagnosed as BCA, 1 case was diagnosed as adenoma, 1 case was diagnosed as low-grade malignant tumor, and 1 case was not able to identify benign or malignant tumor by intraoperative fast frozen pathological examination. There were no obvious complications after the operation, and only 2 cases of mild facial paralysis returned to normal in 1 month, and no recurrence was found in the follow-up 18-69 months. Conclusion:Basal cell adenoma of the parotid gland is a rare benign tumor of parotid gland, the lack of specific clinical manifestations and signs, preoperative ultrasonography, fine needle aspiration cytology and parotid gland enhanced CT scan can not confirm the diagnosis, although they have some limitations, they are of great value in the localization, qualitative and differential diagnosis of BCA in the parotid gland. The diagnosis mainly depends on intraoperative, postoperative pathology and immunohistochemical examination. The treatment is mainly surgical excision, and the prognosis is better.