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January 1968

Positive Brain Scans Due to Lesions of the Skull

Author Affiliations

Winston-Salem, NC
From the Department of Radiology, the Bowman Gray School of Medicine, Winston-Salem, NC. Dr. Maynard is a James Picker fellow in radiology, and Dr. Hanner is an American Cancer trainee.

Arch Neurol. 1968;18(1):93-97. doi:10.1001/archneur.1968.00470310107009

DURING the past few years brain scanning has become widely used in the diagnosis of intracranial lesions, both benign and malignant. Several authors have noted incidental positive brain scans due to lesions of the skull1-4 when using chlormerodrin Hg 197 and sodium pertechnetate Tc 99m as scanning agents. While performing over 2,000 brain scans utilizing sodium pertechnetate Tc 99m at the North Carolina Baptist Hospital Nuclear Medicine Laboratory during the past 21/2 years, we have encountered 44 positive scans due to a wide variety of skull lesions. Because of the frequency of occurrence, it was felt that attention should be brought to the importance of recognizing such lesions and that the need to correlate brain scan findings with skull films in all instances should be reemphasized.

Material and Methods  There were 44 patients who were routinely scanned 15 to 30 minutes following the intravenous administration of 8 to

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