Avascular Necrosis (AVN) Hip — Ficat & ARCO
AVN = ischemic necrosis of femoral head → collapse and arthritis. Risk factors: steroids, alcohol, trauma, sickle cell, Gaucher’s, idiopathic. Ficat staging I–IV; ARCO integrates imaging and lesion size/location. MRI is most sensitive investigation (double-line sign). Management: early—bisphosphonates, core decompression; late—osteotomy, resurfacing, THA.
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10What is the most sensitive imaging modality for diagnosing Avascular Necrosis (AVN) of the hip?
mcqWhich of the following risk factors is the most common non-traumatic cause of Avascular Necrosis of the hip?
mcqIn the Ficat classification of Avascular Necrosis, which stage is characterized by a normal X-ray but abnormal...
mcqWhat is the characteristic radiological finding in Stage III of the ARCO classification for AVN?
mcqWhich of the following treatments is considered early management for Avascular Necrosis of the hip?
mcqIn the ARCO classification, what does Stage IV indicate?
mcqWhich segment of the femoral head is most commonly affected by Avascular Necrosis?
mcqWhat is the hallmark MRI finding in Stage I AVN according to the ARCO classification?
mcqIn which stage of the Ficat classification does the femoral head begin to show sclerosis and cystic changes?
mcqWhat is a common late-stage treatment option for patients with Avascular Necrosis of the hip?