scintigraphic detection of metastatic tumors in radiolabeled lymph nodes, particularly that using radiolabeled colloid (radiocolloid lymphoscintigraphy). The colloid is taken up by macrophages in the lymph nodes, with depressed uptake in tumor-containing nodes.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Scintillation scanning of lymphatics or lymph nodes following intralymphatic or subcutaneous injection of a radionuclide.
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