Osteochondroma history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

History and Symptoms

• The most common symptom of an osteochondroma is a painless bump near the joints.
• The knee and shoulder are more commonly involved.
• Solitary osteochondroma can be found at the ends of any long bone, and along the pelvic and shoulder bones.
• If the stalk of a pedunculated osteochondroma breaks, pain and swelling may start immediately.
• An osteochondroma can be located under a tendon. When it is, snapping of the tissue over the tumor may cause activity-related pain.
• An osteochondroma can be located near a nerve or blood vessel, such as behind the knee. When it is, there may be numbness and tingling in that extremity.
• A tumor that presses on a blood vessel may cause periodic changes in blood flow. This can cause loss of pulse or changes in color of the limb. Changes in blood flow resulting from an osteochondroma are rare.