Advanced rheumatic disorders usually can be well characterized by conventional imaging. However, the development of new therapeutic alternatives for the inflammatory arthritides, so-called disease-modifying antirheumatic drugs (DMARDs), and chondroprotective strategies for osteoarthrosis require methods to diagnose these diseases at an…
Introduction The use of ultrasound guidance for knee procedures has become increasingly popular in recent years due to recognized increased accuracy compared with those performed blind, as well as an expansion in the range of both intra-articular and extra-articular knee…
Summary of Key Points Choose transducer geometry and entry site to visualize the needle as a specular reflector. Orient transducer to maximize tendon echogenicity (anisotropy). Injected corticosteroid/anesthetic suspension often displays a contrast effect, which can help localize injected mixture. Patients…
Lower Extremity Pelvis/Thigh Piriformis Syndrome Compression of the sciatic nerve by the piriformis muscle is noted in the pelvis. The L4, L5, S1, and S2 nerve roots give contributions to the sciatic nerve. As the nerve exits the greater sciatic…
Prevalence, Epidemiology, and Definitions Musculotendinous Injury Traumatic injury to the musculotendinous units of the elbow may result from acute trauma or repetitive micro-trauma. Furthermore, acute trauma is frequently superimposed on tendinopathy or other chronic injuries. MRI can be highly valuable…