FIG. 1. SubjectB. Scintiscansof iv@ †Br. DPlAwith Mark II whole-body scanner, reproduced
from data collected on-line and stored in HP 5047A computer.(A) This frame is body outline …

Abstract The preparations of [18 F]-6-fluoro-9-benzylpurine (I) and [18 F]-2-fluoro-9-
benzylpurine (II) are described.(I) was prepared by two methods:(i) halogen exchange of 6 …

THE FIRST widely used short-lived radiopharmaceutical for brain scanning was technetium-
99m pertechnetate introduced by Harper et al. in 1964 (3). Recently, a second short-lived …

METHOD Four normal adult beagle dogs were slowly in jected intravenously with 100 pCi of
125I-Iodopropamide, which contained approximately 4 mg of the chemical dissolved in 90 …

FIG. 1. Organicradiopharmaceutical producflon. ferred to a lead pig using tongs. When ready
for use, the foil package is removed from the pig, cut in half and the dark grey powder is …

Summary F18, 112 minute half-life positron-emitter was studied as a possible agent for brain
tumor localization. Tissue studies in mice bearing subcutaneously transplanted tumors …

A SIMPLIFIED METHOD FOR THE PREPARATION OF INDIUM-DTPA BRAIN SCANNING
AGENT Page 1 BRAIN Recently various articles have been published outlining the method of …

RADIOISOTOPIC detection of intracerebral spaceoccupying lesions depends on the
presence of increased density of a radiopharmaceutical in the locality of the lesion. This can …

The positron emitter 122I (t1/2 3.6 min) was collected from a xenon-122/iodine-122
(122Xe/122I) generator and incorporated into an amphetamine analog, 2, 4-dimethoxy-N, N …

We have examined the metabolic behavior of several triiodobenzoic acid derivatives
because of the observed mutagenicity and cytotoxicity of 3-amino-5-acetamido-2, 4, 6 …