Osteochondroma of the humerus

Case contributed by Dr Varun Babu

Presentation

Asymptomatic swelling

Patient Data

Age: 13 years
Gender: Female
CT

Bony outgrowth from the posteromedial margin of proximal diaphysis of humerus with preserved cortical continuity

MRI

Bony outgrowth from the posteromedial margin of proximal diaphysis of humerus with preserved cortical continuity. Thin rim of cartilage cap (1.5mm) is seen overlying it.  Mild marrow edema seen in subchondral region. 

Case Discussion

Typical case of osteochondroma in one of the most commonly encountered sites. MRI is mandatory to assess cartilage cap thickness to rule out neoplastic transformation. 

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Case information

rID: 56257
Published: 22nd Oct 2017
Last edited: 25th Oct 2017
Inclusion in quiz mode: Included
Institution: Vivid Diagnostic Centre

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