Intramuscular lipoma

Case contributed by Dr Amro Omar

Presentation

Right thigh lump.

Patient Data

Age: 52
Gender: Male
Ultrasound

Hypoechoic, minimally heterogenous lesion.

MRI

In the medial compartment of the right thigh, there is a well marginated, homogeneous signal intensity mass with thin septations.

T1WI

  • homogeneous, high signal mass with similar intensity to subcutaneous fat
  • thin, low signal internal septa

STIR

  • follows signal intensity of subcutaneous fat

T1WI C+ FS

  • no signifcant enhancement

Case Discussion

When evaluating a presumptive lipoma, one of the most important considerations is differentiating it from atypical lipomatous tumor / well-differentiated liposarcoma.

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Case information

rID: 32619
Published: 5th Dec 2014
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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