Target intelligence / Profile preview

Lymphatic System (Sentinel Lymph Node Localization) (SLN)

Target
SLN
Molecular classification
Anatomical Structure, Lymphatic System Component
01

Overview

The lymphatic system, specifically the sentinel lymph node (SLN), is an anatomical target critical for oncologic staging. The SLN is the first lymph node or group of nodes to which cancer cells are most likely to spread from a primary tumor. Localization techniques, such as dual-modality imaging using Tc-99m radiocolloid and blue dye, or fluorescence-guided surgery with ICG, are used to identify and biopsy the SLN. This allows for accurate assessment of regional metastasis and informs treatment decisions, potentially avoiding more extensive surgical procedures like full nodal dissection.

Other names
Sentinel Lymph NodeSLNLymph NodeRegional Lymph Nodes
02

Mechanism of action

Tc-99m radiocolloid: Radioactive tracer for lymphoscintigraphy. Blue dye: Visual tracer for intraoperative identification. ICG: Near-infrared dye for fluorescence-guided surgery.

03

Biological functions

Lymph FiltrationImmune SurveillanceMetastasis Detection
04

Disease associations

Cancer StagingMetastasisImmune Response to Cancer
05

Safety considerations

Allergic reactions to dyesRadiation exposure (Tc-99m)Lymphedema (rare, related to lymphatic disruption)Injection site reactions
06

Interacting drugs

Technetium-99m labeled nanocolloid

2 more in the full profile.

07

Biomarkers

Sentinel Lymph Node Status (presence or absence of cancer cells)Tumor burden in SLN (micrometastasis, macrometastasis)

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