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  • Title: Portable gamma camera guidance in sentinel lymph node biopsy: prospective observational study of consecutive cases.
    Author: Peral Rubio F, de La Riva P, Moreno-Ramírez D, Ferrándiz-Pulido L.
    Journal: Actas Dermosifiliogr; 2015 Jun; 106(5):408-14. PubMed ID: 25765503.
    Abstract:
    INTRODUCTION: Sentinel lymph node biopsy is the most important tool available for node staging in patients with melanoma. OBJECTIVES: To analyze sentinel lymph node detection and dissection with radio guidance from a portable gamma camera. To assess the number of complications attributable to this biopsy technique. METHODS: Prospective observational study of a consecutive series of patients undergoing radioguided sentinel lymph node biopsy. We analyzed agreement between nodes detected by presurgical lymphography, those detected by the gamma camera, and those finally dissected. RESULTS: A total of 29 patients (17 women [62.5%] and 12 men [37.5%]) were enrolled. The mean age was 52.6 years (range, 26-82 years). The sentinel node was dissected from all patients; secondary nodes were dissected from some. In 16 cases (55.2%), there was agreement between the number of nodes detected by lymphography, those detected by the gamma camera, and those finally dissected. The only complications observed were seromas (3.64%). No cases of wound dehiscence, infection, hematoma, or hemorrhage were observed. CONCLUSIONS: Portable gamma-camera radio guidance may be of use in improving the detection and dissection of sentinel lymph nodes and may also reduce complications. These goals are essential in a procedure whose purpose is melanoma staging.
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