Radiological sign of Non-union of fracture is?

VSR-0198

QUESTION

Radiological sign of Non-union of fracture is?

OPTIONS

(A) External bridging callus
(B) Fracture line not visible, medullary cavity re-established
(C) Fracture line not visible and obliterated with callus
(D) Rounding of fracture ends with large radiolucent line

ANSWER

(D) Rounding of fracture ends with large radiolucent line

EXPLANATION

Rounded fracture ends with a broad persistent radiolucent gap indicate nonunion. Bridging callus, an obscured fracture line, and re-establishment of the medullary canal instead support progression toward union.

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