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What (who) is avascular necrosis - definition
Avascular necrosis
![Front X-ray of right knee of an [[adolescent]] ([[epiphyseal plate]]s are open): arrows point to avascular necrosis and developing osteochondritis dissecans in the outer [[medial condyle of femur]]](https://commons.wikimedia.org/wiki/Special:FilePath/OCD Knee WalterReed-1.jpg?width=200 "Front X-ray of right knee of an [[adolescent]] ([[epiphyseal plate]]s are open): arrows point to avascular necrosis and developing osteochondritis dissecans in the outer [[medial condyle of femur]]")
![Radiography of avascular necrosis of left femoral head. Man of 45 years with [[AIDS]].](https://commons.wikimedia.org/wiki/Special:FilePath/Osteonecrosis femur 1.jpg?width=200 "Radiography of avascular necrosis of left femoral head. Man of 45 years with [[AIDS]].")
BONE DEATH CAUSED WHEN THE BONE NO LONGER RECEIVES BLOOD SUPPLY
Aseptic bone necrosis; Avascular Necrosis; Osteonecrosis; Core decompression; Avascular Necrosis of the Hip; Aseptic necrosis; Avascular necrosis of the femoral head; Intravertebral vacuum cleft sign; Kümmel's disease; Avascular necrosis of the hip; Kummel disease; Aseptic osteonecrosis; Bone Necrosis
Avascular necrosis (AVN), also called osteonecrosis or bone infarction, is death of bone tissue due to interruption of the blood supply. Early on, there may be no symptoms.
Liquefactive necrosis
TYPE OF NECROSIS WHICH RESULTS IN A TRANSFORMATION OF THE TISSUE INTO A LIQUID VISCOUS MASS
Colliquative necrosis
Liquefactive necrosis (or colliquative necrosis) is a type of necrosis which results in a transformation of the tissue into a liquid viscous mass.Robbins and Cotran: Pathologic Basis of Disease, 8th Ed.
Renal cortical necrosis
RARE CAUSE OF ACUTE KIDNEY FAILURE
Acute Cortical Necrosis; Diffuse Cortical Necrosis; Renal Cortical Necrosis; Diffuse bilateral renal cortical necrosis
Renal cortical necrosis (RCN) is a rare cause of acute kidney failure. The condition is "usually caused by significantly diminished arterial perfusion of the kidneys due to spasms of the feeding arteries, microvascular injury, or disseminated intravascular coagulation" and is the pathological progression of acute tubular necrosis.
Examples of use of avascular necrosis
1. Updated: Sunday, February 26, 2006 at 1742 hours IST Mumbai, February 26: Two Mumbai–based orthopaedic surgeons have claimed to have developed a non–invasive treatment for severe painful joints affected by Avascular Necrosis (AVN). Sanjay Agarwala, head of Orthopaedic Department, Hinduja Hospital and V R Joshi of the same hospital said "the novel method developed by them could treat patients with AVN without surgery." Avascular Necrosis (AVN), when untreated leads to hip arthritis needing surgical intervention like surface replacement or total hip replacement, they said.
2. Just before the Tour de France in July he revealed that the broken hip he sustained in a crash while training in January 2003 near his California home had caused a condition known as avascular necrosis, resulting in decreased blood flow and deterioration of the joint.