METHOD FOR DETECTING CANCER CELLS METASTASIZING INTO SENTINEL LYMPH NODE
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United States of America Patent
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app pub date -
Feb 18, 2014
filing date -
Feb 29, 2008
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Abstract
A method for detecting a sentinel lymph node generating a microenvironment suitable for micrometastasis within the sentinel lymph node of carcinoma cells from a primary tumor or for detecting micrometastasis within the sentinel lymph node. A detecting agent is injected into the primary tumor, or tissue or a lymph node nearby the tumor, which allows the detecting agent to reach the sentinel lymph node by lymphatic circulation. The detecting agent includes colloid particles, an anti-ICAM-1 antibody or an ICAM-1 ligand exposed on an outer surface of the colloid particles, and a detectable label. Positive detection of the detectable label within the lymph vessel or the sentinel lymph node indicates that ICAM-1 is present, and the presence of ICAM-1 indicates that the sentinel lymph node is generating a microenvironment suitable for micrometastasis within the sentinel lymph node of carcinoma cells from the primary tumor or that micrometastasis is occurring within the lymph node.
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