Uveitis CT

Uveitis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Tarek Nafee, M.D. [2]

Overview

There are no diagnostic CT scan findings associated with uveitis. The presence of certain CT findings, in the presence of uveitis, may be suggestive of specific underlying causes.

CT

There are no diagnostic CT scan findings associated with uveitis. The presence of certain CT findings, in the presence of uveitis, may be suggestive of specific underlying causes.

Inflammatory Bowel Disease

Crohn's disease

The following CT findings are suggestive of Crohn's disease:

• Fat halo sign
• Comb sign
• Transmural bowel wall enhancement
• Fistulae
• Skip lesions

Ulcerative colitis

• Inflammatory pseudopolyps
• Fat halo sign
• Lead pipe sign
• Rectal involvement
• Mural stratification

The following CT findings are suggestive of ulcerative colitis:

Sarcoidosis

The following CT findings are suggestive of sarcoidosis:

• Bilateral hilar lymphadenopathy
• Galaxy sign in
• Panda sign in sarcoid lesions affecting the head
• Liver and spleen nodules corresponding with granulomas appearing as hypoattenuating masses

Behcet's disease

The following CT findings are suggestive of Behcet's disease:

• Pulmonary vascular abnormalities (e.g., Ectasia, aneurysms, infarction, thromboembolism, venous varices, hemorrhage)
• Features of aortitis