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Labeling of cervical lymph node levels during neck dissection: From ex vivo to in situ mapping
Author(s) -
Woo Seung Hoon,
So Yoon Kyoung,
Jeong JongIn,
Byun Hayoung,
Lee WonYong,
Jeong HanSin
Publication year - 2010
Publication title -
journal of surgical oncology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.201
H-Index - 111
eISSN - 1096-9098
pISSN - 0022-4790
DOI - 10.1002/jso.21443
Subject(s) - ex vivo , medicine , lymph node , dissection (medical) , pathological , in situ , nuclear medicine , radiological weapon , radiology , in vivo , neck dissection , metastasis , cancer , pathology , carcinoma , physics , microbiology and biotechnology , meteorology , biology
Objectives To analyze the error rate of ex vivo mapping and to evaluate in situ mapping of lymph node (LN) levels during neck dissection (ND) Methods We retrospectively reviewed the pathological data on metastatic LN levels in head and neck cancer patients that had ND and ex vivo mapping of LN levels. Among them, we included the data from 43 patients that had a high risk for metastatic nodes based on both the preoperative CT and PET/CT. We compared the metastatic node levels based on the radiological studies and surgical pathology. In addition, we prospectively evaluated the accuracy of in situ mapping (N = 20). Results With ex vivo mapping, the discrepancy between the radiological results and the pathological reports was 11.6% (5 out of 43); two side mismatches, two up down mismatches, and one faulty labeling, and in 7.0% (3 out of 43), the adjuvant treatment was redirected. However, in situ mapping of LN levels during ND resulted in no differences between the post‐operative pathological and preoperative radiological findings. Conclusion Ex vivo mapping of LN levels had an error rate of 11.6% in labeling of LN levels. In situ mapping of cervical LN levels during ND provided more accurate results about the status of LN metastasis. J. Surg. Oncol. 2010;101:122–126. © 2009 Wiley‐Liss, Inc.