The standard study includes Anteroposterior Pelvic view (AP Pelvic view) to evaluate the acetabulum and joint space, which we recommend in standing position because it add information about pelvic slope and acetabular version.ĭepending on the clinical suspicion, some additional localized views of the hip can be used. There are numerous X-ray views to asses non-traumatic hip in adults 1. This article submits to the ethical standards of the journal 4. It is useful for joint anatomy, bone lesions hidden to X-ray and fractures. Computed tomography (CT), which use ionizing radiation, has greater spatial and contrast resolution than X-ray. To assess cartilage in MRI, in addition to the morphological information, dGEMRIC T1 and T2 mapping have been used, which provide information about its composition of water and glycosamino glycans (GAG). It also can be used to inject a local anesthetic, for example, and perform the “Lidocaine Test”, with clinical diagnostic value. MRI with intraarticular contrast (MR Arthrography) has better performance than conventional MRI for the evaluation of intraarticular pathology, especially of labrum and cartilage. It can also be used as a guide for diagnostic and/or therapeutic procedures. Ultrasound (US) also has a role in the evaluation of peri-articular soft tissues and detection of joint effusion or synovial thickening, allowing dynamic assessment of the joint. The method of choice to assess the bone marrow, acetabular labrum, cartilage and peri-articular soft tissue, is magnetic resonance imaging (MRI). X-ray is the basic tool for the study of the hip 1, 2, 3.
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