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Factors predicting upstaging from clinical N0 to pN2a/N3a in breast cancer patients 被引量:1
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作者 Goshi Oda Tsuyoshi Nakagawa +9 位作者 Hiroki Mori Iichiro Onishi Tomoyuki Fujioka Mio Mori Kazunori Kubota Ryoichi Hanazawa Akihiro Hirakawa Toshiaki Ishikawa Kentaro Okamoto hiroyuki uetakesszsz 《World Journal of Clinical Oncology》 CAS 2022年第9期748-757,共10页
BACKGROUND With sentinel node metastasis in breast cancer(BC)patients,axillary lymph node(ALN)dissection is often omitted from cases with breast-conserving surgery.Omission of lymph node dissection reduces the invasiv... BACKGROUND With sentinel node metastasis in breast cancer(BC)patients,axillary lymph node(ALN)dissection is often omitted from cases with breast-conserving surgery.Omission of lymph node dissection reduces the invasiveness of surgery to the patient,but it also obscures the number of metastases to non-sentinel nodes.The possibility of finding≥4 lymph nodes(pN2a/pN3a)preoperatively is important given the ramifications for postoperative treatment.AIM To search for clinicopathological factors that predicts upstaging from N0 to pN2a/pN3a.METHODS Patients who were sentinel lymph node(SLN)-positive and underwent ALN dissection between September 2007 and August 2018 were selected by retrospective chart review.All patients had BC diagnosed preoperatively as N0 with axillary evaluation by fluorodeoxyglucose(FDG) positron emission tomography/computed tomography and ultrasound (US)examination. When suspicious FDG accumulation was found in ALN, the presence of metastasiswas reevaluated by second US. We examined predictors of upstaging from N0 to pN2a/pN3a.RESULTSAmong 135 patients, we identified 1-3 ALNs (pN1) in 113 patients and ³4 ALNs (pN2a/pN3a) in22 patients. Multivariate analysis identified the total number of SLN metastasis, the maximaldiameter of metastasis in the SLN (SLNDmax), and FDG accumulation of ALN as predictors ofupstaging to pN2a/pN3a.CONCLUSIONWe identified factors involved in upstaging from N0 to pN2a/pN3a. The SLNDmax and numberof SLN metastasis are predictors of ≥ 4 ALNs (pN2a/pN3a) and predictors of metastasis to nonsentinelnodes, which have been reported in the past. Attention should be given to axillaryaccumulations of FDG, even when faint. 展开更多
关键词 Breast cancer Axillary lymph node metastasis Positron emission tomography/computed tomography Sentinel lymph node Predictive factors of lymphnode metastasis Standardized uptake value max Diameter of sentinel lyphonode metastasis
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