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Normal and abnormal distribution of the adrenomedullary imaging agent m-(I-131)iodobenzylguanidine (I-131 MIBG) in man; evaluation by scintigraphy

Journal Article · · J. Nucl. Med.; (United States)
OSTI ID:5744834
; ; ; ; ; ;

The scintigraphic distribution of m-(/sup 131/I)iodobenzylguanidine (I-131 MIBG), an adrenal medullary imaging agent, was studied to determine the patterns of uptake of this agent in man. The normal distribution of I-131 MIBG includes clear portrayal of the salivary glands, liver, spleen, and urinary bladder. The heart, middle and lower lung zones, and colon were less frequently or less clearly seen. The upper lung zones and kidneys were seldom visualized. The thyroid appeared only in cases of inadequate thyroidal blockade. The normal adrenal glands were seldom seen and faintly imaged in 2% at 24 h after injection and in 16% at 48 h, in patients shown not to have pheochromocytomas, whereas intra-adrenal, extra-adrenal, and malignant pheochromocytomas usually appeared as intense focal areas of I-131 MIBG uptake at 24 through 72 h.

Research Organization:
Univ. of Michigan, Ann Arbor
OSTI ID:
5744834
Journal Information:
J. Nucl. Med.; (United States), Journal Name: J. Nucl. Med.; (United States) Vol. 24:8; ISSN JNMEA
Country of Publication:
United States
Language:
English

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Related Subjects

550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
551001 -- Physiological Systems-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
62 RADIOLOGY AND NUCLEAR MEDICINE
ADRENAL GLANDS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BLADDER
BODY
CARBONIC ACID DERIVATIVES
COUNTING TECHNIQUES
DATA
DAYS LIVING RADIOISOTOPES
DIAGNOSTIC TECHNIQUES
DIGESTIVE SYSTEM
DISTRIBUTION
DRUGS
ENDOCRINE GLANDS
EXPERIMENTAL DATA
GLANDS
GUANIDINES
INFORMATION
INTERMEDIATE MASS NUCLEI
IODINE 131
IODINE ISOTOPES
ISOTOPES
LABELLED COMPOUNDS
LIVER
LUNGS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANS
RADIOISOTOPE SCANNING
RADIOISOTOPES
RADIOPHARMACEUTICALS
RESPIRATORY SYSTEM
SALIVARY GLANDS
SCINTISCANNING
SPLEEN
TISSUE DISTRIBUTION
URINARY TRACT