regional lymphography

Local lymphatic imaging can provide spatial distribution and location of local draining lymph nodes, which contributes to the implementation of radiation therapy for malignant tumors, thereby improving the accuracy of radiotherapy and the cure rate of tumors. The imaging agent is injected into the corresponding site, and the imaging agent is a radioactive colloidal substance and a high molecular compound. Then use a developing instrument to develop the image. The imaging time is 30 minutes or 1 hour after the injection, and it is necessary to make a delay of 2 hours. Basic Information Specialist Category: Oncology Inspection Category: Radionuclide Applicable gender: whether men and women apply fasting: not fasting Tips: Inappropriate people: pregnant women and those who are allergic to imaging agents are not suitable. Taboo before the test: Do not check after a meal and after strenuous exercise. Normal value The lymphatic vessels are clearly developed and are basically symmetrical. The lymph nodes are evenly distributed and run in a coherent manner. The degree of radioactivity concentration in the lymph nodes is inversely proportional to the distance from the injection site. Clinical significance Abnormal results development time delay, no clear, complete lymph node development in 2-4h. Major lymph node loss or radioactive distribution is significantly sparse. An abnormal drainage pathway or a collateral lymphatic pathway occurs. Patients in need of examination who have malignant or benign lymphoid diseases or tumors need to be tested for clinical treatment options and prognosis. Precautions Taboo before the test: Do not check after a meal and after strenuous exercise. Requirements for inspection: Pay attention to the correct posture and follow the doctor's request. Inspection process The imaging agent is injected into the corresponding site, and the imaging agent is a radioactive colloidal substance and a high molecular compound. Then use a developing instrument to develop the image. The imaging time is 30 minutes or 1 hour after the injection, and it is necessary to make a delay of 2 hours. Not suitable for the crowd Inappropriate people: pregnant women and those who are allergic to imaging agents are not suitable.

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