"Colloidal agents are used as these particles enter lymphatic channels and migrate to lymph nodes, where they are retained by macrophages. Commonly used agents vary worldwide due to regulatory approval status 1,2,3:"
Expected headings
"Radiopharmaceutical"
"Tc-99m tilmanocept (Lymphoseek by Cardinal Health): United States, Canada and Europe"
"perilesional (intraparenchymal, peritumoral) injection: on the side of the lesion and generally around the lesion, whether superficial or deep; involving 3-4 mL containing 7.4-111 MBq (200-3000 μCi)"
"cutaneous injection: intradermal or subcutaneous at the skin superficial to the lesion; involving 0.2-1 mL containing 5.55-74 MBq (150-2000 μCi)"
"areolar region injection: injection at the areola rather than at or superficial to the lesion; involving similar volume and activity as the cutaneous injection method"