Intramuscular lipoma - vastus lateralis

Case contributed by Bahman Rasuli
Diagnosis almost certain

Presentation

Painless swelling of the left thigh.

Patient Data

Age: 35 years
Gender: Female

Large well-defined soft tissue mass within the vastus lateralis muscle measuring 5 x 8 x 12 cm. It elicits a high signal on T1 and T2, attenuated on fat sat sequences with thin marginal and internal septa enhancements.

No femoral bone lesion is seen.

Case Discussion

MRI features of an intramuscular lipoma of the vastus lateralis muscle.

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