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P. H. CRANDALL, MD; B. CASSEN, PhD

Arch Neurol. 1966;15(2):163-171.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

SINCE the first automatic radioisotopic scanner was introduced by Cassen et al¹ in 1951, with the first scan of a brain tumor by Bender² in 1956, scanning procedures for the detection of brain lesions have become widely used. These screening procedures provide clinically useful information, are relatively simple to perform, and are of little hazard to the patient. Of fundamental importance, affected tissue is represented rather than secondary anatomical displacements, as in radiologic studies. Scanning has been limited to a screening function because the localization is gross, such as to a lobe or general region of the brain. With the aim of improving the resolution of the -ray image from the brain while retaining sensitivity, one of us (B.C.) has designed a radically new detector system consisting of a wideangle converging collimator coupled to a large crystal. This makes possible the resolution of sections of the brain . . . [Full Text PDF of this Article]

Author Affiliations
LOS ANGELES

From the Department of Surgery/Neurosurgery (Dr. Crandall) and Nuclear Medicine and Biophysics (Dr. Cassen), School of Medicine, University of California, Los Angeles.

Footnotes
Submitted for publication Feb 7, 1966; accepted April 8.

Reprint requests to Department of Surgery, University of California School of Medicine, Los Angeles 90024 (Dr. Crandall).

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