Tuberculosis and Respiratory Diseases

The Korean Academy of Tuberculosis and Respiratory Diseases (대한결핵및호흡기학회)
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Cell Differentiation Might Predict the Recurrence in Surgically Resected Non-Small Cell Lung Carcinoma

비소세포폐암 수술 후 세포분화도가 재발에 영향을 미친다

  • Kang, Hyung-Koo (Division of Respiratory and Allergy Medicine, Department of Internal Medicine, Chung-Ang University College of Medicine) ;
  • Cho, Sung-Gun (Division of Respiratory and Allergy Medicine, Department of Internal Medicine, Chung-Ang University College of Medicine) ;
  • Lee, Hye-Min (Division of Respiratory and Allergy Medicine, Department of Internal Medicine, Chung-Ang University College of Medicine) ;
  • Park, Sung-Woon (Division of Respiratory and Allergy Medicine, Department of Internal Medicine, Chung-Ang University College of Medicine) ;
  • Lee, Byung-Ook (Division of Respiratory and Allergy Medicine, Department of Internal Medicine, Chung-Ang University College of Medicine) ;
  • Lee, Jae-Hee (Division of Respiratory and Allergy Medicine, Department of Internal Medicine, Chung-Ang University College of Medicine) ;
  • Kim, Bo-Min (Division of Respiratory and Allergy Medicine, Department of Internal Medicine, Chung-Ang University College of Medicine) ;
  • Park, In-Won (Division of Respiratory and Allergy Medicine, Department of Internal Medicine, Chung-Ang University College of Medicine)
  • 강형구 (중앙대학교 의과대학 내과학교실) ;
  • 조성근 (중앙대학교 의과대학 내과학교실) ;
  • 이혜민 (중앙대학교 의과대학 내과학교실) ;
  • 박성운 (중앙대학교 의과대학 내과학교실) ;
  • 이병욱 (중앙대학교 의과대학 내과학교실) ;
  • 이재희 (중앙대학교 의과대학 내과학교실) ;
  • 김보민 (중앙대학교 의과대학 내과학교실) ;
  • 박인원 (중앙대학교 의과대학 내과학교실)
  • Received : 2009.12.04
  • Accepted : 2009.12.11
  • Published : 2010.01.30
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Abstract

Background: Lung cancer is the most common cause of cancer mortality in Korea. The TNM stage at presentation in patients with non-small cell lung cancer (NSCLC) has the greatest impact on prognosis. Patients who undergo a complete resection for NSCLC are likely to develop recurrent and/or metastatic disease. There are several factors influencing the development of recurrence. We explored risk factors of recurrence in patients with stages I and II NSCLC, who had undergone curative resection. Methods: We reviewed patients who had complete surgical resection as definitive treatment for stage I or II. Patients followed up for more than 36 months. We evaluated several factors which might have relationship with recurrence, such as patient's demographic factors, TNM staging, pathologic finding, tumor markers and surgical technique. Results: A total of 75 patients were enrolled for analysis, of whom 58 were men and 17 were women with mean age of 61 (range, 37 to 76) years. The average size of tumors was 3.9 cm (0.7 to 10 cm). There were 64 patients with stage I NSCLC and 11 with stage II NSCLC. Among 64 patients with stage I NSCLC, 35 patients showed recurrences whereas 8 patients have recurred in stage II NSCLC. Grade of differentiation of tumor was closely related to the recurrence. Seventy-five percent of patients who had poor tumor differentiation experienced a recurrence. In contrast, 3 patients of twelve had recurrences, who revealed differentiation in their tissue (p<0.05). Conclusion: Tumor differentiation could be a predictive factor for tumor recurrence in patients who have undergone curative resection for stage I or II NSCLC.

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References

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