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[Limited resection for small peripheral lung cancer using intraoperative pathologic examination].
T Watanabe1, A Okada, N Imakiire
1Division of Chest Surgery, Nishiniigata-Central Hospital, Niigata, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|January 22, 2004
Summary
Limited resection for small peripheral lung cancer, including wedge resection and extended segmentectomy, is safe and effective. Intraoperative pathologic examination guides surgical decisions, improving patient outcomes and survival rates.
Area of Science:
- Oncology
- Thoracic Surgery
- Pathology
Context:
- Small peripheral lung cancers present unique surgical challenges.
- Accurate intraoperative assessment is crucial for determining optimal treatment.
- Traditional approaches may involve more extensive resections than necessary.
Purpose:
- To evaluate the safety and efficacy of limited resection for small peripheral lung cancer.
- To assess the role of intraoperative pathologic examination in guiding surgical strategy.
- To compare outcomes of wedge resection and extended segmentectomy with standard lobectomy.
Summary:
- A study from 1996-2002 utilized intraoperative pathologic examination to guide limited resections for small peripheral lung cancers (<= 20 mm).
- Wedge resection was used for Noguchi type A or B adenocarcinomas, while extended segmentectomy was performed for others, with lymph node sampling.
- Conversion to lobectomy occurred if lymph node metastasis was detected intraoperatively.
Impact:
- Limited resection, particularly wedge resection, demonstrated excellent survival rates (100% at 5 years) with no recurrence.
- Extended segmentectomy showed a 5-year survival of 91%, with most patients disease-free.
- Intraoperative pathologic examination enables safe and effective tailored surgical management for select lung cancer patients.