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OBJECTIVE The purpose of this study was to investigate the pathogenesis of herniation pits of the femoral neck, which are frequently considered a normal variant, and to describe the imaging abnormalities of such pits in three symptomatic patients. CONCLUSION The changing relationship between the joint capsule and the iliopsoas muscle appears to be(More)
Neurovascular compression at the thoracic outlet results from one or several local anatomic abnormalities, all involving the first rib to some extent. The pathologic processes produced involve syndromes usually affecting the ulnar nerve, the subclavian artery, or the subclavian vein. The majority of these cases should be managed in a nonoperative fashion(More)
RATIONALE AND OBJECTIVES The frequency and morphology of central acetabular osteophyte formation were evaluated in patients with osteoarthritis. METHODS One hundred preserved acetabular specimens were evaluated for the occurrence of central osteophytes (excrescences present in the articulation of the hip joint), their relationship to marginal and femoral(More)
Although linear bands of increased radiodensity have been described in the tubular bones of children, similar but less often reported structures are frequent in the osteopenic skeleton of middle-aged and elderly patients. In this study, the radiology, pathology, and histology of osseous bands in the mature skeleton were analyzed in 20 cadavers, 29 macerated(More)
The clinical courses of 68 patients with obstructive colonic cancers were reviewed. For the majority of patients with an acutely obstructing cancer of the left colon a conventional staged procedure remains the most appropriate treatment. Primary resection is suitable for the more proximal colonic cancer with obstruction. The operative mortality rate was(More)
A radiologic-pathologic correlative investigation of the normal age-related alterations in the spinous processes and intervening soft tissues was performed using cadaveric spines and both ancient and modern macerated vertebral specimens. Extreme lordosis in the cervical or lumbar spine results in spinous process apposition, formation of interspinous bursae,(More)
Renal volume estimation is an important parameter for clinical evaluation of kidneys and research applications. A time efficient, repeatable, and accurate method for volume estimation is required. The purpose of this study was to describe the accuracy of ultrasound and computed tomography (CT) for estimating feline renal volume. Standardized ultrasound and(More)
The alterations in acetabular morphology that occur in untreated congenital hip dysplasia (CDH) were evaluated in 29 prehistoric and four modern hemipelvis specimens using inspection, sectioning, conventional radiography, CT, and multiplanar re-formation with three-dimensional image reconstruction. Three major patterns of acetabular morphology were(More)
Although the radiologic manifestations of degenerative disease of the knee have been investigated, the distribution of marginal and central osteophytes has not been defined. This study included (a) 50 consecutive patients with osteoarthritis of the knee in whom routine and specialized projections were obtained prospectively, (b) 25 patients with calcium(More)