Sentinel Lymph Node
Full Form of SLN
What is SLN?
Sentinel Lymph Node is the first lymph node or group of nodes that receives lymphatic drainage from a primary tumor. It serves as the first potential site of metastatic spread for cancer cells, making it a critical indicator in cancer staging and treatment planning decisions. In India, sentinel lymph node biopsy has become an integral part of modern oncological surgery, particularly for breast cancer, melanoma, and head and neck cancers. Major cancer centers like Tata Memorial Hospital in Mumbai, AIIMS Delhi, and regional cancer institutes across the country routinely perform this minimally invasive procedure as part of standard treatment protocols. The technique helps Indian surgeons avoid unnecessary complete axillary lymph node dissection, significantly reducing complications like lymphedema and improving quality of life for breast cancer patients. It is commonly discussed in surgical oncology, pathology, and nuclear medicine training programs throughout medical colleges and teaching hospitals in India. The procedure typically uses radioisotopes or blue dye to identify the sentinel node accurately. For students preparing for NEET PG, INI-CET, and other competitive medical examinations in India, understanding SLN biopsy indications, techniques, and clinical interpretation is essential, as it frequently appears in questions related to cancer staging, axilla management, and surgical management of solid tumors in clinical scenarios.
SLN का फुल फॉर्म
सेंटिनल लिम्फ नोड
Example
Doctors at Tata Memorial Hospital recommended a sentinel lymph node (SLN) biopsy for the early-stage breast cancer patient to determine if the disease had spread beyond the primary tumor.