IMPORTANT: We currently have a number of bugs related to image cropping and are actively trying to resolve them. In the meantime, we have disabled cropping. Apologies for any inconvenience. Stay informed: radiopaedia.org/chat

Osteochondroma - humerus

Case contributed by Varun Babu
Diagnosis certain

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. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.