{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T10:39:54Z","timestamp":1790764794714,"version":"4.1.0"},"reference-count":22,"publisher":"American Society of Clinical Oncology (ASCO)","issue":"20","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCO"],"published-print":{"date-parts":[[2008,7,10]]},"abstract":"<jats:sec><jats:title>Purpose<\/jats:title><jats:p>An accurate, intraoperative sentinel lymph node (SLN) test could decrease delayed axillary dissections. Molecular tests may be more sensitive than current intraoperative tests but historically have not been rapid enough and have not been properly validated. We present the results from a large, prospective evaluation of the first rapid molecular SLN test, the Breast Lymph Node (BLN) Assay.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A beta trial (n = 304) to determine the threshold levels of mammaglobin and cytokeratin 19 correlating with metastasis greater than 0.2 mm and a validation trial (n = 416) to validate the threshold cutoffs were conducted. Alternating portions from each SLN were processed for histology and the BLN Assay.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>BLN Assay performance against extensive permanent-section histology verified by central pathology review was similar to that expected of standard permanent-section histology: sensitivity, 87.6%; specificity, 94.2%; positive predictive value, 86.2%; and negative predictive value (NPV), 94.9%. In 319 patients with both frozen-section hematoxylin and eosin results and BLN Assay results, the BLN Assay had higher sensitivity (95.6%) and NPV (98.2%) than frozen section (sensitivity, 85.6%; NPV, 94.5%). The assay can be performed in approximately 36 to 46 minutes for one to three nodes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The BLN Assay allows a rapid evaluation of 50% of each SLN. Comparison with permanent-section histology on adjacent node pieces evaluated by expert pathologists indicated that the BLN Assay was more sensitive than current intraoperative techniques while maintaining high specificity. These data indicate that the assay may be clinically useful for intraoperative or postoperative axillary lymph node dissection decisions.<\/jats:p><\/jats:sec>","DOI":"10.1200\/jco.2007.14.0665","type":"journal-article","created":{"date-parts":[[2008,7,9]],"date-time":"2008-07-09T05:16:18Z","timestamp":1215580578000},"page":"3338-3345","source":"Crossref","is-referenced-by-count":70,"title":["Novel Intraoperative Molecular Test for Sentinel Lymph Node Metastases in Patients With Early-Stage Breast Cancer"],"prefix":"10.1200","volume":"26","author":[{"given":"Thomas B.","family":"Julian","sequence":"first","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Blumencranz","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenneth","family":"Deck","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pat","family":"Whitworth","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donald A.","family":"Berry","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Scott M.","family":"Berry","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anne","family":"Rosenberg","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anees B.","family":"Chagpar","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Douglas","family":"Reintgen","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Beitsch","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rache","family":"Simmons","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sukamal","family":"Saha","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; Department of Surgery, Jefferson University Hospital, Philadelphia, PA; Department of Surgery, Morton Plant Mease Healthcare, Clearwater; Department of Surgery, Lakeland Regional Medical Center, Lakeland, FL; Department of Surgery, South Orange County Surgical Medical Group, Laguna Hills; Department of Surgery, John Wayne Cancer Institute, Santa Monica, CA; Nashville Breast Center, Nashville, TN; Berry..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eleftherios P.","family":"Mamounas","sequence":"additional","affiliation":[{"name":"From the Department of Human Oncology, Allegheny General Hospital\/Allegheny Cancer Center, Pittsburgh; 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