Different histological subtypes of parotid gland tumors: CT findings and diagnostic strategy

Figure 1 Computed tomography features of all observed subtypes of parotid gland tumors. A-D: Warthin’s tumors (War-Ts) showing heterogeneous and apparent enhancement; A, B: bilateral multiple lesions with and enlarged lymph nodes; C: Tumors with multiple capsules and vessel facing sign; D: War-T had a large cystic degeneration; E, F: Basal cell adenoma showing apparent heterogeneous enhancement, with multiple low-density areas (E) and multiple capsules (F); G: Pleomorphic adenoma with apparent heterogeneous enhancement at 60 s; H, I: EG presenting unilateral multiple lesions with enlarged lymph nodes, well margin and homogenous enhancement; J: Parotid carcinoma displayed unclear margin and heterogeneous enhancement and involved the superficial and deep lobe.