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Target intelligence / Profile preview
Reticuloendothelial System and Lymphatic Tissue (RES/Lymphatics)
- Target
- RES/Lymphatics
- Molecular classification
- Biological System, Tissue
01
Overview
Diagnostic imaging of the reticuloendothelial system (RES) and lymphatic tissue utilizes gamma-emitting radiotracers, such as technetium-99m labeled colloids, to visualize these systems. The RES, composed of macrophages in the liver, spleen, and bone marrow, phagocytoses these tracers, allowing for assessment of organ function. Lymphatic imaging involves interstitial injection of tracers that drain into lymph nodes, enabling mapping of lymphatic pathways, particularly for sentinel lymph node biopsy in cancer staging. This technique provides functional information about tracer uptake and distribution, aiding in the diagnosis and management of various diseases.
- Other names
- Reticuloendothelial SystemLymphatic TissueRESLymphatics
02
Mechanism of action
Diagnostic imaging through selective uptake or transport of gamma-emitting radiotracers, enabling visualization of the RES and lymphatic systems via gamma camera or SPECT scanning.
03
Biological functions
Immune surveillanceFiltration of blood and lymphAntigen presentationFluid balanceLipid transport
04
Disease associations
Cancer metastasisLymphedemaInfectionsLiver diseaseSplenic disordersImmune disorders
05
Safety considerations
Radiation exposureAllergic reactions to radiotracersExtravasation of radiotracer at injection site
06
Interacting drugs
Technetium-99m sulfur colloid
1 more in the full profile.
07
Biomarkers
Tracer uptake in lymph nodes (sentinel node biopsy)Tracer distribution in liver and spleen (RES function)Lymphatic drainage patterns
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