What is the radiocolloid intratumoral injection technique for breast cancer lymphoscintigraphy (sentinel lymph node mapping)? What is the radiocolloid peritumoral injection technique for breast cancer lymphoscintigraphy (sentinel lymph node mapping)? What is the radiocolloid intradermal injection technique for breast cancer lymphoscintigraphy (sentinel lymph node mapping)? How is the sentinel node differentiated from second-tier nodes on breast cancer lymphoscintigraphy (sentinel lymph node mapping)? What is the appearance of sentinel and axillary nodes on breast cancer lymphoscintigraphy (sentinel lymph node mapping)? What are the acquisition protocols for breast cancer lymphoscintigraphy (sentinel lymph node mapping)? Which injections are used in breast cancer lymphoscintigraphy (sentinel lymph node mapping)? What causes false-positive and false-negative results on breast cancer lymphoscintigraphy (sentinel lymph node mapping)? How is the patient positioned for breast cancer lymphoscintigraphy (sentinel lymph node mapping)? What is the role of anesthesia in the performance of breast cancer lymphoscintigraphy (sentinel lymph node mapping)? What equipment is needed to perform breast cancer lymphoscintigraphy (sentinel lymph node mapping)? In addition to breast cancer, what are the clinical applications of lymphoscintigraphy (sentinel lymph node mapping)? When is breast cancer lymphoscintigraphy (sentinel lymph node mapping) contraindicated? What are the benefits of lymphoscintigraphy (sentinel lymph node mapping) for breast cancer? How are the sentinel nodes defined in lymphoscintigraphy (sentinel lymph node mapping) for breast cancer? What is lymphoscintigraphy (sentinel lymph node mapping) for breast cancer? Advances include MR lymphangiography and intranodal lymphangiogram. Systemic therapy is more likely to be needed if a distant metastasis is identified. Lymph nodes are the most common location for metastasis, with a strong correlation between metastasis in the lymphatic system and prognosis. If the sentinel lymph node is negative for metastasis, it is likely that the neoplasm is still within the location of the primary tumor. The sentinel lymph node, which can be identified by a radioisotope, visual dye, or both, is based on the principle that primary tumors drain to one or or more lymph nodes before they spread widely.
Sentinel lymph node skin#
Lymphoscintigraphy (sentinel lymph node mapping) is an imaging technique that is used to identify the lymph drainage basin, determine the number of sentinel nodes, differentiate sentinel nodes from subsequent nodes, locate the sentinel node in an unexpected location, and mark the sentinel node over the skin for biopsy. Lymphoscintigraphy is indicated for proven palpable or nonpalpable invasive breast carcinoma for which removal of the primary tumor and axillary node dissection would be indicated.
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