A Lymphoscintigraphy / sentinel node scan is a nuclear medicine test of the lymph nodes. It shows lymph drainage and the first node a cancer may spread to. Typical effective dose 0.2 to 1 mSv, similar to about 1 to 4 months of natural background radiation (about 3 mSv a year).
सामान्य स्वास्थ्य जानकारी — यह निदान नहीं है। आपात स्थिति में 102 पर कॉल करें। हमेशा योग्य स्वास्थ्यकर्मी से सलाह लें।
Lymph drainage and the first node a cancer may spread to.
Breast cancer or melanoma surgery planning, lymphoedema.
A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause.
Typical effective dose 0.2 to 1 mSv, similar to about 1 to 4 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
1 to 3 hours. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
Nuclear medicine
परिणाम की व्याख्या के लिए डॉक्टर को दिखाएँ — अकेला परीक्षण निदान नहीं करता।
निकटतम सुविधाएँ दिखाने हेतु आपका स्थान एक बार उपयोग होता है। कुछ संग्रहीत नहीं होता।
What does a sentinel node scan show?
Lymph drainage and the first node a cancer may spread to.
Why is a sentinel node scan done?
Breast cancer or melanoma surgery planning, lymphoedema.
How do I prepare for a sentinel node scan?
A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause.
Does a sentinel node scan use radiation?
Typical effective dose 0.2 to 1 mSv, similar to about 1 to 4 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
How long does a sentinel node scan take?
1 to 3 hours
Lymphoscintigraphy / sentinel node scan क्यों किया जाता है?
Breast cancer or melanoma surgery planning, lymphoedema.
Lymphoscintigraphy / sentinel node scan के लिए कैसे तैयारी करें?
A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause.
Lymphoscintigraphy / sentinel node scan गर्भावस्था में सुरक्षित है?
Typical effective dose 0.2 to 1 mSv, similar to about 1 to 4 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
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