Peripheral primitive neuroectodermal tumor (pPNET) of the femur

Case contributed by Dr Saeed Soltany Hosn

Presentation

A known case of pPNET referred to our hospital for total hip arthroplasty

Patient Data

Age: 20
Gender: Female

An ill-defined lytic lesion with a moth-eaten in appearance is seen in the methaphysis,neck and head of the right femur.

Patchy destructive bony changes associated with soft tissue component demonstrated within the femoral head and neck as well as amorphous periosteal reaction.There is also evidence of bone marrow involvement. Tumor has grown a long a needle biopsy track in the subcutaneous tissue


MRI shows bone marrow involvement and soft tissue component of the tumor which surround the femur.The soft tissue mass signal is similar to that of muscle on T1WI and high on T2WI.

Following the administration of gadolinium the mass shows intense enhancement.

Case Discussion

Peripheral primitive neuroectodermal tumor (pPNET) of the proximal right femur in a 20 year old female.

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Case information

rID: 21672
Case created: 9th Feb 2013
Last edited: 7th Feb 2016
Inclusion in quiz mode: Included

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