“…However, in this case, we investigated whether it was possible to arrive at a qualitative diagnosis based on findings of CT images. Clinically, differential diagnoses of cystic lesions in major salivary glands includes various benign and malignant conditions, including human immunodeficiency virus (HIV) infection, Sjögren syndrome [11] , lymphoepithelial cyst [12] , cystadenoma, adenoid cystic carcinoma, acinic cell carcinoma, intraductal carcinoma, mucoepidermoid carcinoma, and secretory carcinoma [ 6 , 13 , 14 ]. CT findings of cystic lesions in major salivary glands are summarized in Table 1 .…”