Osteochondroma

Case contributed by Dr Abdel-Rahman Abdel-Halim

Presentation

Painless lump on the left lower thigh.

Patient Data

Age: 15
Gender: Male
X-ray

An osseous outgrowth arising from the medial aspect of the distal femur and directed upwards (away from the joint), its cortex appears continuous with that of the femur. 

Case Discussion

This is a typical case of osteochondroma, typical clinical presentation (age of patient, painless lump), typical location (femur is the most affected bone), typical appearance (pedunculated bony outgrowth that directed away from the joint).

Osteochondromas are the most common bone tumors in children, may be solitary or multiple. The true prevalence of solitary osteochondromas is not known, because many asymptomatic lesions go undiagnosed.  A painless skeletal swelling or a slowly growing mass is the usual mode of presentation. 

Most osteochondromas, solitary or multiple, arise from tubular bones and are metaphyseal in location.

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Case information

rID: 27667
Published: 17th Feb 2014
Last edited: 23rd Apr 2018
Inclusion in quiz mode: Included

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