Left submandibular / masticator space abscess

Case contributed by Dr Derek Smith


Left facial swelling. Difficulty swallowing. Trismus on examination.

Patient Data

Age: 30 years
Gender: Male

Fluid collection measuring (4 x 3 cm on axial imaging) in the left submandibular and masticator spaces. This contiguous with the mandible and there is a cortical breach extending to the remaining LL8 tooth compatible with a dental source of infection. Inflammatory stranding in the left parapharyngeal space but no deep neck collection. Local left level I and II reactive nodal enlargement.

Several periapical cysts in the maxilla and mandible around other remaining teeth.

No abnormality of the upper aerodigestive tract. No other neck mass. Normal included intracranial structures. Normal lung apices.

Case Discussion

Left submandibular and masticator space abscess; from left LL8 dental source.

This patient was taken to theater for drainage of the abscess and removal of the tooth for source control. Mixed Gram negative and anaerobes were cultured.

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Case information

rID: 69059
Published: 26th Jun 2019
Last edited: 14th Aug 2019
System: Head & Neck
Inclusion in quiz mode: Included

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