Hamouda Ehab,  Gupta Achint,  Chidambaram Viswanath Anand,  Lee Guo Rui

Final Pr. ID: Poster #: CR-015

Post-traumatic osseous cystic lesions are a rare complication in children. An etiology of intramedullary fat seepage thorough the damaged bone cortex and its entrapment within the subperiosteum has been proposed. These lesions run a benign course and usually resolve spontaneously. The presence of fatty marrow gives it a distinct appearance which aids in its diagnosis and differentiation from other bone lesions.

This case demonstrates a fat-fluid level within the subperiosteal cystic lesion in MRI and this is a typical feature of post-traumatic cystic lesion in a child. Recognition of this feature allows for a confident diagnosis, cutting down on unnecessary, potentially invasive investigations.

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Authors:  Hamouda Ehab , Gupta Achint , Chidambaram Viswanath Anand , Lee Guo Rui

Keywords:  Cyst, Fracture, Distal radius