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 A 50-year-old man was treated conservatively for chronic bilateral ankle pain for several years. Plain radiographs obtained following exacerbation of symptoms showed bilateral enlarged peroneal processes. CT and MRI demonstrated bony detail of the unusual processes and also showed isolation of the peroneus longus tendons and associated tendinitis and(More)
Anatomic restoration of displaced fracture-dislocation of the tarsometatarsal junction of the foot is essential, as even "minor" disruptions of this joint complex leads to poor clinical results. In order to determine a "key" element associated with good or poor functional outcomes, 11 patients with excellent radiographic results following surgical treatment(More)
The influenza vaccine is increasingly available to the general public and mandated by many employers in the United States. The prevalence of post-vaccination complications is likely on the rise. Complications are well known to general clinicians, but are under-reported in the imaging literature. We present four cases of post-vaccination shoulder pain with(More)
Anterior cruciate ligament (ACL) reconstruction is a relatively common orthopedic procedure, with patellar tendon frequently a graft source. However, controversy exists regarding the decision to use autograft or allograft patellar tendon tissue. This experimental study used computed tomography (CT) to compare the percentage of bone graft incorporation(More)
Giant-cell tumor is a benign but locally aggressive primary bone tumor that requires surgical management. Most giant-cell tumors initially are demonstrated on radiographs as distal, subarticular, geographic osteolytic lesions. Abundant giant cells on histology are reactive secondary to a neoplastic fibroblast-like stromal cell. Giant cells are present in(More)
OBJECTIVE To determine the effects of cervical flexion and traction on foraminal volume and isthmus area at the C5-C6 foraminal space in cadavers. DESIGN This study evaluated the foraminal space at C5-C6 in cadaver specimens during flexion and traction of the cervical spine. SETTING An orthopedic biomechanics laboratory and department of radiology of a(More)
Fractures of the scaphoid are the most common carpal bone fracture. With careful management, prognosis is excellent. Imaging is critical, not only for early diagnosis, but also for monitoring patients after initial treatment to detect unstable fractures, the common complications of nonunion and avascular necrosis, and the need for surgical treatment.
Detection and treatment of vascular injuries in extremity and pelvic trauma can be challenging. Angiography, while no longer routinely used in asymptomatic patients, is still a primary means of diagnosis. Appropriate patient selection based on physical examination, along with other less invasive imaging modalities, can decrease the need for angiography(More)
 Objective. Multifocal vascular processes which arise in bone are a very inhomogeneous class of diseases. Four of these processes are derived from endothelial precursors, however, and share a similar radiographic spectrum. These four entities are reviewed in order to clarify their imaging patterns and the diagnostic utility of imaging modalities. Methods.(More)