Mucoepidermoid carcinoma of the parotid

Case contributed by Dr Heba Mohamed

Presentation

Left facial nerve palsy and multiple palpable cervical masses.

Patient Data

Age: 65 years
Gender: Male

Abnormal large mass at the region of the left parotid gland with heterogenous pattern of enhancement. It infiltrates the left parapharyngeal space, left Eustachian tube, left fossa of Rosenmuller as well as left longus capitis muscle. The lesion extends upwards and infiltrates the left infratemporal fosaa and both pterygoid muscles. Evidence of erosion of the left mandibular ramus (bone window). Enlarged right lateral deep cervical LN (level II) with heterogenous pattern of enhancement. Multiple enlarged LNs are seen on the left side, the largest (level III) lies just beneath the left sternocleidomastoid muscle with possible involvement of the muscle that appears enlarged and heterogenous. Both internal and external carotid arteries are seen traversing the mass. The left internal jugular veins is no further demonstrated above the level of the true vocal cords. Concomitant atrophy of the left masseter muscle is noted as well.

Case Discussion

Biopsy reveals high grade mucoepidermoid carcinoma of the parotid gland.

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Case information

rID: 48868
Case created: 27th Oct 2016
Last edited: 16th Mar 2017
Inclusion in quiz mode: Included

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