Believed to be the result of displaced fragments of the
growth plate causing a displaced epiphysis to grow in an anomalous
Three times more common in males than females.
|General Gross Description|
Also known as an exostosis.
Benign lesion composed of a stalk and a rounded bony lesion, capped by
Most freqently seen near the ends of long bones.
Irregularly mushroom shaped lesions, from 1-20 centimeters in size.
|General Microscopic Description|
External surface is made of cartilage.
Inner portion composed of bone, often with a marrow cavity.
Both the bone and the cartilage are histologically benign.
Cotran RS, Kumar V, Robbins SL: Robbins Pathologic Basis of Disease. 5th edition. Philadelphia, W.B. Saunders, 1994, pp. 1237
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|Synopsis by: T.V. Rajan M.D. Ph.D. (T1X000M92100)