Radioactive Iodinated Human Serum Albumin in the Diagnosis of Intracranial Mass Lesions

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Abstract
Of 49 brain tumors, 27 were correctly located. There were 39 hemispheral lesions with 25 correctly diagnosed for a somewhat higher percentage of correct localization than for the entire group; 64% for the hemispheral group compared with 55% in the entire group. Only 2 out of 10 posterior fossa and midline base were correctly located. The use of P32 for direct counting in the operating room was found to be over 95% effective. Although a comparable substance to be used in preoperative surveys has not yet been found, it is hoped that such a radioactive substance will be available in the future.