The Clinical Characteristics and CT Findings of Parotid and Submandibular Gland Tumours

Figure 5

A 61-year-old female with acinic cell carcinoma in the right parotid. The tumour was 2.7 cm in diameter and presented as a lobulated, ill-defined, and inhomogeneous mass on plain CT ((a), white arrow). The tumour presented slight enhancement on contrast-enhanced CT ((b), white arrow). HE staining (c). A 67-year-old male with ductal adenocarcinoma in the right parotid gland. The tumour diameter was 7.9 cm in the long axis. The tumour was irregular, relative well defined, and inhomogeneous (d) and was enhanced moderately on contrast-enhanced CT ((e), white arrow). Necrosis could be seen on enhanced CT imaging (dotted-line circle). HE staining (f).

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(b)

(c)

(d)

(e)

(f)