Biomedical subjects
Publications and source records attributed to G M Rittenberg.
Two cases of duodeno-duodenal fistula complicating carcinoma of the right colon, both presenting with upper gastrointestinal hemorrhage, are presented. The close proximity of the ascending colon and hepatic flexure and their draining lymphatics to the duodenum are discussed.
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Spontaneous urinary extravasation caused by ureteral obstruction is infrequently encountered. A case is described in which bilateral extravasation was observed, confined beneath the renal capsule on one side.
Extramedullary plasmacytoma is a rare form of plasma cell dyscrasia, in which malignant plasma cell tumors arise outside the bone marrow. The tumor may arise in any part of the body but the vast majority occur in the head and neck, primarily in the nasal cavity, paranasal sinuses, or upper airway. Six patients with extramedullary plasmacytoma are presented and the clinical and radiographic findings are reviewed.
Gas in the joint and periarticular tissues appeared as an early radiographic manifestation of gram-negative septic arthritis of the hip in a diabetic patient. The features of gram-negative septic arthritis are discussed and the value of an early diagnosis is emphasized.
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