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A new and superior adrenal imaging agent, 131I-6beta-iodomethyl-19-nor-cholesterol (NP-59): evaluation in humans.
The findings on scintigraphy with NP-59 compared with angiograms and/or adrenal vein hormone levels and histopathology are reported, allowing earlier and more definite interpretation of images than was possible with 131I-19-iodocholesterol.
Imaging functional nodules of the adrenal glands with 131-I-19-iodocholesterol.
The occurrence of hyperactivity in one adrenal gland presumably from a functioning nodule is reported, resulting in increased uptake with suppressed uptake of /sup 131/I-l9-iodocholesterol in the contralateral adrenal cortex in the absence of Cushing's syndrome.
Thymic gallium-67 localization in pediatric patients on chemotherapy: concise communication.
It is concluded that increased thymic gallium localization in children under chemotherapy for a known malignancy may reflect increased activity of Thymic medullary epithelial cells and regeneration ofThymic lymphocytes during recovery form involution induced by certain chemotherapeutic agents.
Generator-produced 99m TcO4-: carrier free.
A solution of 99m-TCO4-minus, as eluted from a 99Mo-99mTc radionuclide generator contains a greater chemical quantity of technetium than that attributable to the metastable isomer alone. The isomeric
A new and superior adrenal scanning agent, NP-59.
Iodine-131-NP-59 is being evaluated for the early detection of adrenal-cortical disorders and as a potential scanning agent for detecting structural abnormalities of the adrenal medulla.
Myocardial uptake of labeled oleic and linoleic acids.
Since the concentrations of the formulated 131I-OA in the blood and in the myocardium are both highest at the earlier intervals, it should be difficult to detect myocardial ischemia or infarction with 131i-OA scanning.
Relative tissue distribution of radioactivity in rats with endocrine "autonomous" breast carcinomas after 3H-,99mTc-, and 64Cu-bleomycin.
The localization of 64Cu-, 3H-, and 99mTc-labeled bleomycin was studied in tissues of Fisher rats bearing an endocrine autonomous breast tumor. The 64Cu-bleomycin showed a greater uptake than 3H- and