Excretion of technetium 99m hexakismethoxyisobutylisonitrile in milk. 1991

S M Rubow, and A Ellmann, and J le Roux, and J Klopper
Department of Nuclear Medicine, Tygerberg Hospital, Republic of South Africa.

The amount of radioactivity excreted in breast milk following the administration of technetium 99m hexakismethoxyisobutylisonitrile (99mTc-MIBI) to a patient referred for cold spot myocardial scintigraphy was determined. During the first 24 h after administration, only 41.2 kBq 99mTc (0.0084% of the injected dose) was excreted in 448 ml milk with the highest concentration of 0.49 kBq/ml in the first sample. The images obtained show a high concentration of 99mTc-MIBI in the lactating breasts contrary to the very small percentage excreted in the milk. Comparison with various recommendations regarding nursing after administration of radiopharmaceuticals seems to indicate that the administration of 99mTc-MIBI does not necessitate an interruption of breast-feeding.

UI MeSH Term Description Entries
D008895 Milk, Human Milk that is produced by HUMAN MAMMARY GLANDS. Breast Milk,Human Milk,Milk, Breast
D009203 Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). Cardiovascular Stroke,Heart Attack,Myocardial Infarct,Cardiovascular Strokes,Heart Attacks,Infarct, Myocardial,Infarction, Myocardial,Infarctions, Myocardial,Infarcts, Myocardial,Myocardial Infarctions,Myocardial Infarcts,Stroke, Cardiovascular,Strokes, Cardiovascular
D009570 Nitriles Organic compounds containing the -CN radical. The concept is distinguished from CYANIDES, which denotes inorganic salts of HYDROGEN CYANIDE. Nitrile
D011644 Puerperal Disorders Disorders or diseases associated with PUERPERIUM, the six-to-eight-week period immediately after PARTURITION in humans. Disorder, Puerperal,Disorders, Puerperal,Puerperal Disorder
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D001942 Breast Feeding The nursing of an infant at the breast. Breast Fed,Breastfed,Milk Sharing,Wet Nursing,Breast Feeding, Exclusive,Breastfeeding,Breastfeeding, Exclusive,Exclusive Breast Feeding,Exclusive Breastfeeding,Sharing, Milk
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D015609 Organotechnetium Compounds Organic compounds that contain technetium as an integral part of the molecule. These compounds are often used as radionuclide imaging agents. Compounds, Organotechnetium

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