초록접수 현황
| 16F-052 | 구연 발표 |
Significance of Left Lower Paratacheal Lymph Node Dissection in Patients with Clinical Stage I and II Left-SIded Lung Cancer
Hassan Abdullah Alqumber, Yong Soo Choi, Sumin Shin, Jong Ho Cho, Hong Kwan Kim, Jhingook Kim, Jae Ill Zo, Young Mog Shim
Department of Thoracic and Cardiovascular Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
Background : Dissection of left paratracheal(4L) LN is frequently omitted due to technical difficulties. This study aims to find left lower paratracheal LN involvement in left-sided lung cancer with clinical stage I and II.
Methods : This is a retrospective analysis of 1974 patients (674 females and 1300 males) from Jan 2005 to Sept 2013 with clinical stage I and II left lung cancer undergoing pulmonary resection with mediastinal node dissection with 4L LN (n=726, 38%) or without 4L LN dissection (n=1248, 64%). Postoperative pathology for the 4L LN dissected group and recurrence data for overall patients were analyzed to 4L LN metastasis.
Results : The rate of 4L LN metastasis was 2.75% (n=20, 2.75%) on the postoperative pathology in the 4L LN dissected group and higher in clinical stage II (7.1%) than in stage I (1.2%) (p<0.05). Furthermore, the 4L LN recurrence during follow up was higher in clinical stage II (5.1%) than in stage I (1.3%) (p<0.05). Interestingly the 4L LN recurrence was more common when the primary tumor is adenocarcinoma at the left lower lobe (Table 1.).
Conclusion : We found that the involvement and recurrence of 4L LN in clinical stage I left lung cancer is rare, whereas it is more common in clinical stage II. The incidence of recurrence was found to be more common when the primary tumor is adenocarcinoma at the left lower lobe.
Methods : This is a retrospective analysis of 1974 patients (674 females and 1300 males) from Jan 2005 to Sept 2013 with clinical stage I and II left lung cancer undergoing pulmonary resection with mediastinal node dissection with 4L LN (n=726, 38%) or without 4L LN dissection (n=1248, 64%). Postoperative pathology for the 4L LN dissected group and recurrence data for overall patients were analyzed to 4L LN metastasis.
Results : The rate of 4L LN metastasis was 2.75% (n=20, 2.75%) on the postoperative pathology in the 4L LN dissected group and higher in clinical stage II (7.1%) than in stage I (1.2%) (p<0.05). Furthermore, the 4L LN recurrence during follow up was higher in clinical stage II (5.1%) than in stage I (1.3%) (p<0.05). Interestingly the 4L LN recurrence was more common when the primary tumor is adenocarcinoma at the left lower lobe (Table 1.).
Conclusion : We found that the involvement and recurrence of 4L LN in clinical stage I left lung cancer is rare, whereas it is more common in clinical stage II. The incidence of recurrence was found to be more common when the primary tumor is adenocarcinoma at the left lower lobe.
첨부파일 : table1.docx
책임저자: Yong Soo Choi/Young Mog Shim
Department of Thoracic and Cardiovascular Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
발표자: Hassan Abdullah Alqumber, E-mail : choi.smcts@gmail.com