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Hand & Upper Limb
intermediate
X-Type

Enchondroma of the Hand

Hand Tumors

A 35-year-old woman presents with a painless swelling of her proximal phalanx that she noticed incidentally. She has no history of trauma. Radiographs show a well-defined central lytic lesion in the proximal phalanx with stippled calcification, cortical thinning but no cortical breach, and no soft tissue mass. The lesion extends from the metaphysis into the diaphysis. Regarding enchondroma of the hand:

Mark each as TRUE or FALSE

A

Enchondroma is a benign cartilaginous tumor arising from residual cartilage cells within the medulla...

B

Radiographic features include a central, well-defined lytic lesion with geographic margins, intrales...

C

Enchondroma is rare in the hand; the distal phalanx is most commonly affected; radiographs show peri...

D

Multiple enchondromatosis syndromes: Ollier disease (multiple enchondromas, non-hereditary, unilater...

E

Treatment: asymptomatic solitary enchondromas may be observed with serial radiographs; symptomatic l...

Answer the questions to see explanations

Click T (True) or F (False) for each option