Acute sinusitis and orbital subperiosteal abscess

Case contributed by Dr Ahmed Abd Rabou

Presentation

Left painful proptosis and ophthalmoplegia after an attack of acute sinusitis

Patient Data

Age: 24 years old
Gender: Male

Left frontal, ethmoid and maxillary sinusitis. There is elliptical fluid collection at the medial aspect of the left orbit, extra conal in location and displaces the medial rectus laterally. It displays diffusion restriction and marginal enhancement. The cavernous sinus is not thrombosed. 

Modality: Annotated image

Arrows refer to the fluid collection at medial orbit with diffusion restriction as bright signal on DWI and low signal on ADC.

Case Discussion

Acute sinusitis may be complicated by orbital subperiosteal abscess by spreading of infection through the lamina papyracea. The patient underwent abscess drainage surgically.

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Case Information

rID: 41626
Case created: 10th Dec 2015
Last edited: 11th Dec 2015
System: Head & Neck
Inclusion in quiz mode: Included

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