Presentation
Palpable retro-auricular lump.
Patient Data
Age: 65 years
Gender: Female
From the case:
Salivary duct carcinoma - parotid gland
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12 mm hypoechoic solid lesion in the posterior aspect of the parotid gland. Lobulated somewhat irregular margins. No marked vascularity.
From the case:
Salivary duct carcinoma - parotid gland
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Left superficial parotid gland enhancing mass with central hypodensity posterior to the angle of the mandible abutting the retromandibular vein. No enlarged lymph nodes.
Case Discussion
The primary imaging differential diagnosis offered was a Warthin tumor and the results of a pre-operative FNA were of a pleomorphic adenoma. The patient went on to have a parotidectomy, with a salivary duct carcinoma demonstrated on pathology. Post-operative radiotherapy was performed with no recurrence on the initial follow-up.
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