Ewing sarcoma

Case contributed by Dr Hani Makky Al Salam

Presentation

Left shoulder swelling.

Patient Data

Age: 6 years
Gender: Female

Large expansile mass involving the proximal humeral metaphysis. 

Increased activity in the left proximal humerus. 

MRI not only confirms the presence of a mass but also demonstrates a large extra-osseous component both laterally beneath deltoid, as well as medially into the axilla. The mass is isointense to muscle on T1, heterogeneously high on T2 and demonstrates extensive contrast enhancement.

Case Discussion

Pathologically proven Ewing sarcoma

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