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Journals and Conferences
Abnormal signal intensity within skeletal muscle is frequently encountered at magnetic resonance (MR) imaging. Potential causes are diverse, including traumatic, infectious, autoimmune, inflammatory, neoplastic, neurologic, and iatrogenic conditions. Alterations in muscle signal intensity seen in pathologic conditions usually fall into one of three… (More)
Recent studies have shown the usefulness of T1-weighted MR imaging for identifying fractures of the proximal femur in elderly patients with negative radiographs after acute trauma [1-4]. The advent of fast spin-echo and fast inversion recovery sequences allows for the rapid identification of a variety of other musculoskeletal injuries of the hip and pelvis… (More)
The purpose of this pictorial essay is to illustrate the radiologic spectrum of imaging findings of neuropathic osteoarthropathy. Typical findings include joint destruction, disorganization, and effusion with osseous debris. A variety of other imaging findings related to neuropathic osteoarthropathy such as resorption of the ends of tubular bones and… (More)
PURPOSE To compare the effects of gadolinium concentration on intermediate-weighted fast inversion-recovery and T2-weighted fast spin-echo magnetic resonance (MR) images by using a saline bag model of the kidney. MATERIALS AND METHODS Normal-saline bags containing gadopentetate dimeglumine in concentrations of 0-20 mmol/L were imaged by using a variety of… (More)
PURPOSE To determine the accuracy and reliability of detecting and grading articular cartilage defects in porcine and human knees by using ultrasonography (US). MATERIALS AND METHODS US was used to evaluate 175 porcine and 16 human knee surfaces with a linear 5-12-MHz transducer. Porcine defects of varying diameter and depth were surgically created. Each… (More)
Enteric duplication cysts are infrequently located in the retroperitoneum. Such cysts are typically spherical or ovoid. We report a retroperitoneal duplication cyst with extension across the abdominal midline in a previously unreported dumbbell configuration. This is the third reported case of prenatally detected retroperitoneal enteric duplication cyst.
The Portable, Extensible Toolkit for Scientific computing (PETSc), which focuses on the scalable solution of problems based on partial differential equations, now incorporates new components that allow full compos ability of solvers for multiphysics and multilevel methods. Through strong encapsulation, we achieve arbitrary, dynamic composition of… (More)
Purpose. This pictorial essay reviews our experience with MR scans with gadolinium in patients with musculoskeletal tumors and tumor mimickers. Design. Review of 242 MR scans obtained in the initial evaluation of a possible primary musculoskeletal neoplasm. All scans included a T1-weighted, fat-suppressed sequence following intravenous administration of… (More)
The case of a 6-year-old child with an intraosseous ganglion of the distal femur is reported. We believe this is the youngest patient reported with this condition.