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Journals and Conferences
Experimental workstations for oral reporting and synchronized image filing have been developed and evaluated by radiologists and referring physicians. The file media is a 5.25-inch rewritable magneto-optical disk of 600-Mb capacity whose file format is in accordance with the IS&C specification. The results of evaluation tell that this system is superior to… (More)
CT images were studied in five patients with hepatocellular carcinoma associated with obstruction of branches of the portal vein. Two were solitary tumors located near the porta hepatis and were seen as low density areas. In addition noncancerous areas with impaired portal drainage also had lower densities than normally perfused areas. In one instance,… (More)
Thirty-two patients with hepatocellular carcinoma less than 5 cm in diameter were examined by computed tomography. At the examination 26 patients (81%) were correctly diagnosed. A common type of CT image series was detectable as low density on the precontrast scan, a positive or mixed pattern on dynamic scan, and visible on postcontrast scan. In 10 patients… (More)
We evaluated the value of computed tomographic (CT) gastric virtual endoscopy (VE) by comparing it with real gastric fiberscopy (GF). Sixty-six VE findings in 63 patients were compared with lesions found with GF. After a GF examination, the examinees were given bubble-making granules for the stomach and placed in a supine position on the CT table. Abdominal… (More)
This is a case report of early esophageal carcinoma accompanied by esophageal varices. Our conclusion from the experience is that when an esophagogram is performed on a patient with esophageal varices an air-contrast study in addition to an ordinary barium study should be performed as a routine examination.
A patient with annular pancreas is described. CT succeeded in visualization of a peninsular protrusion of the parenchyma from the pancreatic head. In the diagnosis of annular pancreas, CT provided unequivocal evidence before operation.
Thirty patients with primary hepatocellular carcinoma were studied by computed tomography (CT) and angiography. Tumor images on CT could be classified into four groups according to the differences between precontrast and postcontrast scans. In comparing the findings of angiography and CT, hypervascular tumor shadows on angiography were visualized as low… (More)
Thirty-one patients with anomalous and/or pathological conditions in the duplication of the renal pelvis and ureter were studied in order to analyze the urographic findings. A segmental defect evident in the visualization was caused by the abscess of one of the poles in the kidney. In patients with hypoplasia of one of the poles, the other normal pelvis… (More)