Enchondromatosis – Ollier Disease

  • Etiology: tumor of cartilage rests deposited in medullary cavity as growth plate moves away from diaphysis
  • Imaging: multiple enchondromas which tend to be unilateral and localized to one extremity, early on see striation of long bone metaphyses
  • MRI: T2 fat sat hyperintense
  • Complications: malignant transformation in 20% of patients

Radiology Cases of Enchondromatosis – Ollier Disease

Radiograph of multiple enchondromas of the hand in Ollier disease
AP radiograph of the hand shows lesions in the third metacapal head distally and in the proximal and middle phalanges proximally that are metaphyseal in location, expansile and lytic in appearance, with a narrow zone of transition and without periosteal reaction.
Radiograph of multiple enchondromas of knee in Ollier disease
AP radiograph of the knee shows metaphyseal lesions in the femur and tibia and fibula that are expansile and lytic in appearance with some striations within them with a narrow zone of transition and no periosteal reaction.