Appropriate Sublobar Resection Choice for Ground Glass Opacity-Dominant Clinical Stage IA Lung Adenocarcinoma Wedge Resection or Segmentectomy

被引:265
作者
Tsutani, Yasuhiro [1 ]
Miyata, Yoshihiro [1 ]
Nakayama, Haruhiko [2 ]
Okumura, Sakae [3 ]
Adachi, Shuji [4 ]
Yoshimura, Masahiro [5 ]
Okada, Morihito [1 ]
机构
[1] Hiroshima Univ, Dept Surg Oncol, Hiroshima 7340037, Japan
[2] Kanagawa Canc Ctr, Dept Thorac Surg, Yokohama, Kanagawa 2410815, Japan
[3] Canc Inst Hosp, Dept Thorac Surg, Tokyo, Japan
[4] Hyogo Canc Ctr, Dept Radiol, Akashi, Hyogo, Japan
[5] Hyogo Canc Ctr, Dept Thorac Surg, Akashi, Hyogo, Japan
关键词
RESOLUTION COMPUTED-TOMOGRAPHY; POSITRON-EMISSION-TOMOGRAPHY; MAXIMUM STANDARDIZED UPTAKE; PROGNOSTIC-SIGNIFICANCE; LIMITED RESECTION; RANDOMIZED-TRIAL; TUMOR SIZE; CANCER; MULTICENTER; LOBECTOMY;
D O I
10.1378/chest.13-1094
中图分类号
R4 [临床医学];
学科分类号
1002 ; 100602 ;
摘要
Background: The purpose of this multicenter study was to characterize ground glass opacity (GGO)-dominant clinical stage IA lung adenocarcinomas and evaluate prognosis of these tumors after sublobar resection, such as segmentectomy and wedge resection. Methods: We evaluated 610 consecutive patients with clinical stage IA lung adenocarcinoma who underwent complete resection after preoperative high-resolution CT scanning and F-18-fluorodeoxyglucose PET/CT scanning and revealed 239 (39.2%) that had a >50% GGO component. Results: GGO-dominant tumors rarely exhibited pathologic invasiveness, including lymphatic, vascular, or pleural invasion and lymph node metastasis. There was no significant difference in 3-year recurrence-free survival (RFS) among patients who underwent lobectomy (96.4%), segmentectomy (96.1%), and wedge resection (98.7%) of GGO-dominant tumors (P = .44). Furthermore, for GGO-dominant T1b tumors, 3-year RFS was similar in patients who underwent lobectomy (93.7%), segmentectomy (92.9%), and wedge resection (100%, P = .66). Two of 84 patients (2.4%) with GGO-dominant T1b tumors had lymph node metastasis. Multivariate Cox analysis showed that tumor size, maximum standardized uptake value on F-18-fluorodeoxyglucose PET/CT scan, and surgical procedure did not affect RFS in GGO-dominant tumors. Conclusions: GGO-dominant clinical stage IA lung adenocarcinomas are a uniform group of tumors that exhibit low-grade malignancy and have an extremely favorable prognosis. Patients with GGO-dominant clinical stage IA adenocarcinomas can be successfully treated with wedge resection of a T1a tumor and segmentectomy of a T1b tumor.
引用
收藏
页码:66 / 71
页数:6
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