Benign Bone Tumours
A 32-year-old woman presents after a minor fall with pain in her ring finger. X-rays reveal a pathological fracture through a well-defined lytic lesion in the proximal phalanx with characteristic stippled calcification showing a "rings and arcs" pattern. The lesion has caused less than one-third endosteal scalloping with no periosteal reaction. The radiologist reports features typical of an enchondroma. The surgeon discusses the natural history, malignant transformation risk, and treatment options after fracture healing. Regarding enchondroma and its management:
Mark each as TRUE or FALSE
Enchondroma is a benign intramedullary cartilage tumour and the MOST COMMON tumour of hand bones (50...
Radiographic features include central medullary location with RINGS-AND-ARCS calcification pattern (...
Hand enchondromas have a HIGH malignant transformation rate (50%); axial skeletal lesions are more b...
SOLITARY enchondroma has 1-2% malignant transformation risk; PAIN WITHOUT TRAUMA is the key RED FLAG...
Management of hand enchondroma: OBSERVE if asymptomatic; after pathological FRACTURE, treat the frac...
Answer the questions to see explanations
Click T (True) or F (False) for each option