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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.
Introduction Avascular necrosis (AVN) of the femoral head, also known as osteonecrosis, is a condition characterized by death of bone tissue due...
Case Presentation A 40-year-old male presented with progressive pain in the right hip for the past one year. The pain was initially mild but grad...
What is the most sensitive imaging modality for diagnosing Avascular Necrosis (AVN) of the hip?
Which of the following risk factors is the most common non-traumatic cause of Avascular Necrosis of the hip?
In the Ficat classification of Avascular Necrosis, which stage is characterized by a normal X-ray but abnormal MRI findings?
What is the characteristic radiological finding in Stage III of the ARCO classification for AVN?
Which of the following treatments is considered early management for Avascular Necrosis of the hip?
In the ARCO classification, what does Stage IV indicate?
Which segment of the femoral head is most commonly affected by Avascular Necrosis?
What is the hallmark MRI finding in Stage I AVN according to the ARCO classification?
In which stage of the Ficat classification does the femoral head begin to show sclerosis and cystic changes?
What is a common late-stage treatment option for patients with Avascular Necrosis of the hip?