Lymphoscintigraphy Study

What is a lymphoscintigraphy study, and why has my physician ordered it?

A lymphoscintigraphy study is a nuclear medicine test conducted in patients who have had a positive biopsy for skin melanoma or breast cancer. It uses a small amount of radioactive material and a special camera to identify the sentinel lymph node so it can be removed. The sentinel lymph node is the first lymph node to which cancer spreads from a primary tumor.

This presurgical study is performed on the same day as the surgery.

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