Technetium-99m Minicolloid for Radionuclide Lymphography

Dunson, George L.; Thrall, J H; Stevenson, John S.; Pinsky, Steven M.

doi:10.21236/ad0769892

Cited by 1 publication

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“…6) or head and neck. 99m Tcsulphur minicolloid) has small particles (<100 nm) and produces satisfactory LN scans [30,31]. Two to twenty-four hours after injection, the patient is taken to the operating room where patent blue dye is injected.…”

Section: Malignant Melanoma Of the Skinmentioning

confidence: 99%

Clinical applications of gamma-detection probes – radioguided surgery

et al. 1999

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& p . 1 : Radioguided surgery (RGS) is a surgical technique that enables the surgeon to identify tissue "marked" by a radionuclide before surgery, based on the tissue characteristics, the radioactive tracer and its carrying molecule, or the affinity of both. Thus, yet another tool has been added to the inspection and palpation traditionally used by the surgeon. Current clinical applications of radioguided surgery are: radioimmunoguided surgery (RIGS) for colon cancer, sentinel-node mapping for malignant melanoma (which has become state-ofthe-art), sentinel-node mapping for breast, vulvar and penile cancer, and detection of parathyroid adenoma and bone tumour (such as osteid osteoma). Although the same gamma-detecting probe (GDP) may be used for all these applications, the carrier substance and the radionuclide differ. MoAb and peptides are used for RIGS, sulphur colloid for sentinel-node mapping, iodine-125 for RIGS, technetium-99m for sentinel node, parathyroid and bone. The mode of injection also differs, but there are some common principles of gamma-guided surgery. RIGS enables the surgeon to corroborate tumour existence, find occult metastases, and assess the margins of resection; this may result in a change on the surgical plan. Sentinel lymph-node (SLN) scintigraphy for melanoma guides the surgeon to find the involved lymph nodes for lymph-node dissection. SLN for breast cancer is being investigated with promising results. This procedure has also changed the outlook of lymph-node pathology by giving the pathologist designated tissue samples for more comprehensive examination. Gamma-guided surgery will result in more accurate and less unnecessary surgery, better pathology and, hopefully, in better patient survival. & k w d : Key words: Radioimmunoguided surgery -Sentinel lymph node -Gamma-detecting probe Eur J Nucl Med (1999) 26 (Suppl): S26-S35

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Section: Malignant Melanoma Of the Skinmentioning

confidence: 99%