Avascular Necrosis Topic Guide
Avascular Necrosis: Avascular necrosis (aseptic necrosis or osteonecrosis) is a death of bone, which leads to destruction of the adjacent joint. Causes include fracture, dislocation, steroid medication usage, and excessive alcohol consumption. Risk factors include smoking, pregnancy, radiation therapy and chemotherapy, bone marrow and blood diseases, and the bends. Pain is the main symptom. Treatment involves treating the underlying cause of avascular necrosis and surgery.
X-Rays X-Rays are a form of radiation used to image solid forms inside the body. X-rays are administered by radiologists for many different routine tests, such as mammograms, checking for broken bones, upper GI series, and dental exams, among others. Radiologists carefully monitor the X-ray equipment to make sure the patient receives the smallest dose of radiation possible.
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