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Musculoskeletal "don't touch" lesions: pictorial essay
Fonseca,Eduardo Kaiser Ururahy Nunes; Castro,Adham do Amaral e; Kubo,Rafael Seiji; Miranda,Frederico Celestino; Taneja,Atul KumarAbstract Focal bone lesions are not uncommon findings in the daily practice of radiology. Therefore, it is essential to differentiate between lesions with aggressive, malignant potential that require action and those that have no clinical significance, many of which are variants or benign lesions, sometimes self-limited and related to reactive processes. In some cases, a diagnostic error can have catastrophic r...
Avascular necrosis: radiological findings and main sites of involvement - picto...
Enge Junior,Dair Jocely; Fonseca,Eduardo Kaiser Ururahy Nunes; Castro,Adham do Amaral e; Baptista,Eduardo; Santos,Durval do Carmo BarrosAbstract The term avascular necrosis describes any one of a number of bone diseases that have a common mechanism: the death of bone components due to lack of blood supply. Avascular necrosis can occur in diverse parts of the skeleton, each location-specific form not only receiving a distinct designation but also presenting unique epidemiologic characteristics. However, the imaging findings are similar in all of...
Snapping scapula syndrome: pictorial essay
Carvalho,Stefane Cajango de; Castro,Adham do Amaral e; Rodrigues,João Carlos; Cerqueira,Wagner Santana; Santos,Durval do Carmo BarrosAbstract Snapping scapula syndrome manifests as an audible or palpable crackling during the sliding movements of the scapula over the rib cage, often perceived during physical or professional activities. It can be caused by morphological alteration of the scapula and rib cage, by an imbalance in periscapular musculature forces (dyskinesia), or by neoplasia (bone tumors or soft tissue tumors). In this pictorial ...
Ultrasonography and magnetic resonance imaging of elbow ligaments: a comparativ...
Brandão,Aureliano Torquato; Amaro Junior,Edson; Francisco Neto,Miguel José; Tanaka,Rubens Mitsuo; Santos,Durval do Carmo BarrosABSTRACT Objective: To determine the value of ultrasonography in elbow ligament assessment compared to magnetic resonance imaging. Methods: A prospective single-center study involving 30 volunteers with no elbow joint changes. Two experienced ultrasound specialists evaluated both elbows of each volunteer, resulting in 60 evaluations per physician and totaling up 120 evaluations. Magnetic resonance images were o...
Interobserver reproducibility of radiographic evaluation of lumbar spine instab...
Segundo,Saulo de Tarso de Sá Pereira; Valesin Filho,Edgar Santiago; Lenza,Mario; Santos,Durval do Carmo Barros; Rosemberg,Laercio AlbertoABSTRACT Objective: To measure the interobserver reproducibility of the radiographic evaluation of lumbar spine instability. Methods: Measurements of the dynamic radiographs of the lumbar spine in lateral view were performed, evaluating the anterior translation and the angulation among the vertebral bodies. The tests were evaluated at workstations of the organization, through the Carestream Health Vue RIS (PACS...