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ilium.jpg
ilium.jpg pneumatocyst.jpg

Diagnosis:

Pneumatocyst in the Ilium

Findings:

Axial CT images demonstrate round intra osseous lesion in the posterior aspect of the ilium filled with gas and fluid densities.

Diff Dx:

Intra osseous pneumatosis may represent infectious process. However, this is usually associated with extensive osseous destruction and abnormalities in the adjacent soft tissues.