Parotid gland injury

Case contributed by Dr Abdulmajid Bawazeer

Presentation

The patient was hit by stick in his left jaw with no external bleeding or skin laceration.

Patient Data

Age: 11 years
Gender: Male
Ultrasound

The left parotid gland appears diffusely enlarged and heterogeneous with increased internal vascularity without detectable laceration of its capsule or injury to the retromandibular vein or external carotid artery; the left parotid duct is dilated.

The right parotid gland appears normal in echo-pattern and shape.

CT

The left parotid gland shows diffuse swelling and is hyperdense in comparison with the right side, as well as edema of the overlying subcutaneous fat; left parotid duct appears dilated. No facial fracture. 

Annotated image

The left parotid gland duct is dilated due to excessive secretion from parotid gland or duct injury.  

Case Discussion

Salivary gland injury is uncommon and expresses a wide variety of injury starting from the laceration of duct or gland, sialadenitis, and facial nerve or vascular injury. The swelling was reduced after one month without follow up imaging.

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Case information

rID: 66755
Published: 6th Apr 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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