Distribution of 111 parotid tail masses in 103 patients
Lesion | Number |
---|---|
Benign (n = 84) | |
Pleomorphic adenoma (BMT) | 15 |
Warthin tumor | 14 |
Infectious process | 13 |
Venous malformation | 9 |
Sjögren disease | 9 |
Lymphatic malformation | 7 |
Lipoma | 6 |
HIV lymphoepithelial lesion | 4 |
First branchial cleft cyst | 3 |
Oncocytoma | 2 |
Sarcoid | 1 |
Lymph node | 1 |
Malignant (n = 27) | |
Non-Hodgkin lymphoma | 14 |
Metastatic disease | 7 |
Mucoepidermoid carcinoma | 4 |
Acinic cell carcinoma | 1 |
Undifferentiated carcinoma | 1 |
Note.—Eight patients had two diagnoses (see text). BMT indicates benign mixed tumors; HIV, human immunodeficiency virus.