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Analysis of lobectomy for small peripheral lung cancer supports extended segmentectomy

  • Toshihiko Sakamoto
  • Noriaki Tsubota
  • Yoshifumi Miyamoto
  • Masahiro Yoshimura
Original Article

Abstract

We reviewed the records of 53 patients who underwent lobectomy for peripheral non-small cell lung cancer under 2 cm in diameter and established a rationale for segmentectomy with intraoperative lymph nodes dissection (extended segmentectomy). Five patients (9.4%) had intrapulmonary metastases. Nodal status was NO in 34 patients (64.2%), N1 in 7 (13.2%), and N2 in 12 (22.6%). Based on examination of intraoperative frozen sections, 31 patients lacking lymph node metastases and visceral pleural involvement could have been candidates for extended segmentectomy. Twenty-seven had stage I disease on postoperative examination of paraffin-embedded sections. Of the remaining 4 patients, 1 had involvement of intrapulmonary lymph nodes in the segment where the primary lesion originated. Another patient had involvement only at the first mediastinal lymph node level, representing a “skipping metastasis”. The remaining 2 patients had no lymph node involvement, but had intrapulmonary metastases in the same segments as the primary lesion. We conclude that an extended segmentectomy may be as effective as lobectomy for treatment of peripheral non-small cell lung cancer under 2 cm in diameter without evident lymph node involvement.

Index words

limited resection segmentectomy surgery 

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Copyright information

© The Japanese Society of Thoracic and Cadiovascular Surgery 1998

Authors and Affiliations

  • Toshihiko Sakamoto
    • 1
    • 2
  • Noriaki Tsubota
    • 1
  • Yoshifumi Miyamoto
    • 1
  • Masahiro Yoshimura
    • 1
  1. 1.Department of General Thoracic SurgeryHyogo Medical CenterHyogoJapan
  2. 2.Department of SurgeryRokko HospitalKobeJapan

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