Robert Lester

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Dens fractures are frequently difficult to identify radiographically, particularly when it is only possible to obtain a lateral radiograph of the upper cervical spine. Further, when a dens fracture is identified in lateral projection, it is often difficult to distinguish the "high" (Type II) from the "low" (Type III) fracture. The authors describe an(More)
Computed tomography (CT) and radiography were used to study 20 patients with chest injuries. Excluding rib fractures, CT revealed 50 traumatic lesions ranging from extrapleural hematomas to pericardial fluid collections. In contrast, only 12 lesions were detected on the corresponding radiographs. While many of the processes demonstrated on CT were not(More)
Castleman's disease is a rare, benign, lymphoproliferative disorder of unknown cause. The hyaline-vascular type is frequently associated with a localized mediastinal mass. The plasma-cell type is associated with constitutional symptoms, multicentric lymph node involvement, lymphoma development, and autoimmune disease-like laboratory abnormalities such as(More)
Ten patients with calcifications of the left atrium are reported with review of the literature. Calcification of the left atrium is frequently associated with history of rheumatic fever, longstanding congestive heart failure, atrial fibrillation, mural thrombus and embolization. Early recognition of such lesions is essential for the management of the(More)
Until now, CT has been utilized very little in the evaluation of the bluntly traumatized patient. Based on our early experience, we have attempted to demonstrate the CT features of a spectrum of injuries. Much of this information is new and additional studies will have to be performed to elucidate fully the benefits of computed tomography in the diagnosis(More)