Isosulfan blue
Isosulfan Blue[edit | edit source]
Isosulfan Blue is a synthetic dye used primarily in medical diagnostics. It is a member of the triarylmethane dye family and is known for its vivid blue color. This compound is utilized in various medical procedures, particularly in lymphatic mapping and sentinel lymph node biopsy.
Chemical Properties[edit | edit source]
Isosulfan Blue is a water-soluble dye with the chemical formula C27H31N2NaO6S2. It is characterized by its ability to bind to proteins, which makes it useful in medical imaging and diagnostics. The dye is typically administered intravenously or subcutaneously, where it travels through the lymphatic system, allowing for visualization of lymphatic vessels and nodes.
Medical Applications[edit | edit source]
Isosulfan Blue is primarily used in the identification of sentinel lymph nodes in patients undergoing surgery for breast cancer or melanoma. During the procedure, the dye is injected near the tumor site. It travels through the lymphatic system, staining the sentinel lymph nodes, which are the first nodes to receive lymphatic drainage from the tumor. This allows surgeons to identify and remove these nodes for pathological examination, aiding in the staging and treatment planning of cancer.
Mechanism of Action[edit | edit source]
The mechanism by which Isosulfan Blue functions involves its affinity for lymphatic tissue. Once injected, the dye binds to serum proteins and is transported through the lymphatic vessels. Its bright blue color provides a visual guide for surgeons to trace the lymphatic pathways and identify the sentinel lymph nodes.
Safety and Side Effects[edit | edit source]
While Isosulfan Blue is generally considered safe, it can cause allergic reactions in some patients. Common side effects include skin discoloration at the injection site, blue urine, and mild allergic reactions. In rare cases, more severe reactions such as anaphylaxis can occur, necessitating immediate medical intervention.
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