Pneumatocyst of iliac bone

Case contributed by Dr Anna Margherita Maffione


18F-FDG PET/CT for cancer follow-up

Patient Data

Age: 77
Gender: Male
Nuclear medicine

Gas containing cystic structure with thin sclerotic irregular margin in the iliac component of the left sacroiliac joint. The cysts does not communicate with the joint and does not show abnormal FDG uptake. 

Case Discussion

The differential diagnosis of this finding includes osteomyelitis from organisms producing gas, but the absence of high FDG uptake within the cysts excludes the diagnosis of infection.

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Case information

rID: 41945
Case created: 29th Dec 2015
Last edited: 30th Dec 2015
Inclusion in quiz mode: Included

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