The Hidden Collapse: How Avascular Necrosis Destroys the Hip Joint 🦴. What happens when a living bone begins to die? Avascular Necrosis (AVN) is a serious condition where the blood supply to the "ball" of the hip joint (femoral head) is cut off, leading to a silent but devastating collapse. 🎥🩸 Go beneath the surface to witness the reality of this condition: The Blood Supply Crisis: Unlike other forms of arthritis, AVN starts deep inside the bone. When blood flow is interrupted—whether by inju

Avascular necrosis (AVN), also known as osteonecrosis, is a condition caused by interruption of blood supply to the bone, most commonly affecting the femoral head. Reduced blood flow leads to bone ischemia, necrosis, collapse, and secondary osteoarthritis if not diagnosed early. 📌 Radiographic Progression Explained: Normal Hip X-ray Smooth, round femoral head Preserved joint space and trabecular pattern AVN – Grade I Normal appearance No sclerosis, lucency, or collapse Femoral head contour pres