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Comparison of radionuclide scans with computer-assisted tomography in diagnosis of intracranial disease

From the Department of Neurosurgery, Ochsner Medical Center, New Orleans, Louisiana.

Radionuclide brain scans were compared with computer-assisted tomography (CAT) for the diagnosis of intracranial disorders in 297 patients. The diagnosis was confirmed in 281 patients who formed the population for the study. The radionuclide scan was false positive for 12 patients (3.9 percent) and false negative for eight (2.6 percent). The CAT was false positive for three patients (1 percent) and false negative for one (0.3 percent). In the 133 patients in whom both tests were negative, no evidence of central nervous system pathology has been found during the 6 to 18 month follow-up. Brain tumors and intracerebral hemorrhage are more readily detectable with CAT.

Reprint requests should be addressed to Dr. Connolly, 1514 Jefferson Highway, New Orleans, LA 70121.

Presented at Southern Neurosurgical Meeting, February 19, 1975, New Orleans, Louisiana.

Received for publication January 19, 1976.

This article has been cited by other articles:

				R. S. Singh and E. B. Silberstein Ventriculitis in an Adult Delineated by Radionuclide Brain Scan: Association With Misleading Findings on Computerized Tomography Arch Neurol, June 1, 1980; 37(6): 381 - 383. [Abstract] [PDF]