Nodular pseudosarcomatous fasciitis

Case contributed by Dr Praveen Jha

Presentation

Swelling in arm, with some pain and tenderness

Patient Data

Age: 11
Gender: Female
Modality: MRI

A large well encapsulated mass lesion is seen subcutaneously in upper arm, appearing hypointense on T1W and hyperintense on T2W images and fat-suppressed sequence. Correlative ultrasonography (not included here) ruled out any cystic lesion or abscess, and a relatively homogenous soft tissue lesion was seen, with fibrous septations in periphery (also seen on MRI images).

Case Discussion

This case is a pathologically proven case of nodular fasciitis (also termed sometimes as nodular pseudosarcomatous fasciitis).

Although, nodular fasciitis tend to be smaller than 4-5 cm size, this is an unusual case with large size of the lesion. Possibilities of nodular fasciitis and low grade fibrosarcoma were kept. While doing surgery, surgeon took a wide incision, and lesion was excised in-toto. It is important to rule out cold abscess in such cases, as a cold abscess could be easily drained by a smaller incision.

 

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Case Information

rID: 18308
Case created: 28th Jun 2012
Last edited: 24th Jan 2016
Inclusion in quiz mode: Included

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