Accuracy and limitations of diagnostic methods for avascular necrosis of the hip

摘要: Introduction: Femoral head avascular necrosis (FHAVN) is the result of irreversible anoxia subchondral bone. The death bone cells can cause articular collapse and pain, in turn usually leads to degenerative arthritis. FHAVN a common disorder, affecting mainly young male adults. Reliability, accuracy prognostic value any classification system are important evaluation treatment FHAVN. Areas covered: Although past, scintigraphy CT more recently PET have been used for diagnosing AVN, currently most imaging methods included widely systems, consist radiographs magnetic resonance (MRI). latter major systems early detection (pre-radiographic stage) assessing lesion size location before surface occurs. purpose this review present current data regarding X-rays MRI diagnosing, monitori...