Tibial intraosseous lipoma

Case contributed by Dr Noyan Zenger

Presentation

Adult presenting with knee pain

Modality: MRI

Tibial interosseos lipoma

The characteristic fatty component that is isointense with fatty tissueson T1 images, occupies the periphery of the lesion. Santral region which hyperintense on STIR  is suggestive of fluid – €“cystic degeneration ?

Modality: X-ray

see below 

Case Discussion

Tibial intraosseous lipoma

Intraosseous lipomas can contain varying amounts of fat, fibrous tissue and cystic degeneration. This results  a range of radiographic manifestations. Stage 2 lesions demonstrate fat and fat necrosis, and also dystrophic calcification.

The characteristic fatty component that is isointense with fatty tissueson T1 images, occupies the periphery of the lesion. Central region which hyperintense on STIR  is suggestive of fluid, which may represent cystic degeneration.

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Case Information

rID: 12795
Diagnostic certainty: Almost Certain
Case created: 11th Jan 2011
Last edited: 17th Dec 2015
Inclusion in quiz mode: Included

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