Liposclerosing myxofibrous tumour

Case contributed by Dr Matt Skalski

Presentation

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Patient Data

Age: 50
Gender: Male
Modality: X-ray

There is a well defined, heterogeneously sclerotic density  with a sclerotic rim located in the intertrochanteric region of the femur that is nonexpansile, has no periosteal reaction, no cortical involvement, and no other associated findings.

This is an incidental finding, as the CAM impingement observed here was likely responsible for the patient's symptoms that led to this study being obtained. 

Modality: Annotated image

Red arrow indicates the femoral lesion. 

Case Discussion

The appearance of the lesion described above is consistent with an liposclerosing myxofibrous tumour (LSMFT) , although could also represent fibrous dysplasia. 

In either case, this is most likely a benign lesion with no need for treatment, just occasional imaging follow up, as 10-16% of LSMFT lesions reportedly undergo malignant degeneration, although that estimate seems high based on this authors experience.

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Case Information

rID: 21340
Case created: 16th Jan 2013
Last edited: 9th May 2017
Inclusion in quiz mode: Included

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