Enchondroma

-Can malignantly degenerate into chondrosarcoma

1. Key clinical features.

   1. m/c primary benign tumor of the hand

   2. Can be Solitary or multiple (called Ollier’s Disease)

      1. Solitary enchondroma, is a benign tumor arising in the cartilage in the metaphysis as the physis goes away.

   3. Usually a painless incidental finding

   4. Most common complication is pathological fracture

2. Key radiological features.

   1. The bone looks less dense do to cartilage tissue within the bone

   2. 40% will uptake Ca++, giving a speckled appearance- a round lesion with polka dots

3. What is Ollier’s disease? (Multiple enchondromatosis)

   1. Enchondroma’s in multiple sites

Category: Orthopedics Notes , Tumors Revision