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Journals and Conferences
Nonlymphomatous lymphoid disorders of the lung consist of several entities with varied histology and clinical behavior. On the basis of histologic appearance, six lesions can be identified. They include Castleman's disease, plasma-cell granuloma, pseudolymphoma, lymphocytic interstitial pneumonitis, angioimmunoblastic lymphadenopathy, and lymphomatoid… (More)
Magnetic resonance imaging (MRI) has become a principal modality in the evaluation of the postoperative lumbar spine. Gadolinium-diethylenetriaminepentaacetic acid (Gd-DTPA) can often facilitate differentiation of scar from recurrent disc herniation according to established criteria. Scar has been believed to enhance predictably. We reviewed the… (More)
The clinical and radiographic findings in 29 patients presenting with pulmonary sarcoidosis after the age of 50 years were reviewed. Fifty-nine percent (17 patients) had atypical findings at presentation. The atypical patterns at radiography included mediastinal adenopathy alone or in combination with unilateral hilar adenopathy (n = 8), solitary or… (More)
Magnetic resonance (MR) imaging of the hip has been useful in the examination of patients for the presence of avascular necrosis (AVN). In the detection of AVN, MR imaging is more sensitive than computed tomography or nuclear scintigraphy. This study assessed the usefulness of MR imaging in the differentiation of AVN from other hip diseases. Twenty-two… (More)
Nonlymphomatous pulmonary lymphoproliferative disorders include plasma cell granuloma, Castleman's disease, pseudolymphoma, lymphocytic interstitial pneumonitis, angioimmunoblastic lymphadenopathy, and lymphomatoid granulomatosis. They are thought to represent a hyperplasia of the pulmonary immune system in response to chronic antigenic stimulation. A… (More)
The case of a patient with delayed mitral regurgitation and right coronary artery traumatic injury in association with intramyocardial dissection without rupture or pseudoaneurysm is presented. These findings evolved secondary to blunt chest trauma and were confirmed by cardiac ultrasound scanning, magnetic resonance imaging, and cardiac catheterization.… (More)
In two pathologically documented cases of renal cell carcinoma, the appearance of the tumors at magnetic resonance (MR) imaging was markedly hypointense relative to normal renal parenchyma on both T1- and T2-weighted spin-echo images. Pathologic examination of both tumors revealed diffuse iron scattered throughout the tumors. The paramagnetic effect of the… (More)
The authors report three patients with systemic lupus erythematosus and periosteal reaction. Two of the three cases had systemic vasculitis and the third had local ischemia with ischemic necrosis.
Hyperoxaluria may result in diffuse deposition of calcium oxalate crystals in multiple organs. A patient with primary hyperoxaluria presented with peripheral ischemia on this basis. Computed tomography clarified the diagnosis and helped to direct the appropriate management.