Biomedical subjects
Publications and source records attributed to R R Gray.
Transitional cell carcinoma is associated with analgesic nephropathy. Detection of this neoplasm may be delayed because hematuria and colic are the usual symptoms in both conditions. Plain film findings of displacement of the renal calcifications occurring in analgesic nephropathy may be the first sign of transitional cell carcinoma.
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We report an unusual case of Crohn's disease of the esophagus and stomach. Unlike previously described cases, the disease in this patient affected the fundus and body while sparing the antrum of the stomach, and produced a mass effect simulating malignancy.
Over a period of 18 months, percutaneous nonendoscopic gastrostomy using the Seldinger technique was successfully performed in 32 adults for enteral feeding. There were no deaths or major morbidity related to the procedure. Three patients died of existing disease within 30 days; one had peritoneal irritation following dislodgement of the catheter two days after the procedure but responded to conservative treatment with antibiotics alone. The authors conclude that this procedure is simple and safe and represents the preferred method of gastrostomy for enteral feeding.
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Until recently, adrenal cysts were diagnosed at surgery or autopsy. Current imaging methods allow accurate preoperative diagnosis in symptomatic patients and may obviate surgery in the asymptomatic. Eighteen cystic lesions of the adrenal glands are described. Computed tomography was the most useful diagnostic test. Many cysts had typical appearances of a thin-walled, fluid-filled lesion with or without thin septa and mural calcification. Atypical features included central densities, which may be characteristic of intracystic hemorrhage, and wall thickening which should initiate a search for endocrinopathy and tumor.
The authors report a rare complication of intravenous pyelography: namely "iodide mumps". A review of the literature is undertaken.
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We encountered 12 patients with psoas abscess in a two-year period. Of these, four were due to Crohn's disease making this the most important single cause of such abscesses in our series. Psoas abscess may be the presenting complaint in Crohn's disease and it should be considered as a possible cause of any psoas abscess from which enteric organisms are cultured.
Renal angiomyolipoma ia a rare benign lesion. It commonly presents with features suggestive of renal cell carcinoma when unilateral and solitary. It may mimic polycystic kidneys when bilateral and multiple. Angiomyolipomas with a high fat content are easily detected by computed tomography. Preoperative diagnosis of the lesion is possible and may help to obviate nephrectomy.
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