Alternative definition : NCI-GLOSS: A substance being studied as a way to find sentinel lymph nodes in some
types of skin cancer and breast cancer. It contains a radioactive substance called
technetium linked to a substance called dextran. Dextran helps technetium stay in
blood and lymph vessels after it is injected. A machine or probe that detects radioactivity
shows which lymph nodes near the tumor have technetium Tc 99m dextran in them. It
is a type of radiopharmaceutical and a type of radioimaging agent.;
Codes from synonyms : CDR0000674715; CDR0000045551;