A sharp and defined margin, optimally visualized on T1-weighted images in comparison to short tau inversion recovery (STIR) images, is the most significant feature of Ewing sarcoma in differentiating from osteomyelitis.
US-guided intra-articular injections show the same therapeutic effect as CT-guided intra-articular injections and result in a significant reduction of procedure duration without any exposure to radiation.
Injection therapies play a major role in the treatment of back pain and radiculopathy and are becoming integral parts of a multidisciplinary approach in treatment and rehabilitation of pain patients. Pararadicular and facet-joint injections in the spine are preferentially performed under computed tomography or fluoroscopy guidance. In this article we present alternative, simple, and easy to learn step by step ultrasound-guided techniques for injection therapies in the cervical and lumbar spine.
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