Avascular Necrosis of the Femoral Head
HardHigh-yieldOrthopaedics · Metabolic Bone
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Avascular necrosis (AVN), also called osteonecrosis or aseptic/ischaemic necrosis, is the death of bone trabeculae and marrow due to interruption of the blood supply. The femoral head is the classic and most exam-relevant site because of its precarious end-arterial circulation. This is a high-yield orthopaedics topic where NEET PG repeatedly tests risk factors, the earliest MRI sign, staging systems, and the stage-ba…
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