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Ann Thorac Surg 2001;71:1100-1104
© 2001 The Society of Thoracic Surgeons

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Original article: general thoracic

Segmentectomy for roentgenographically occult bronchogenic squamous cell carcinoma

^a Lung Cancer Surgical Study Group (LCSSG), Japan
^b Japanese Clinical Oncology Group (JCOG), Japan

Accepted for publication November 28, 2000.

Address reprint requests to Dr Sagawa, Department of Thoracic Surgery, Institute of Development, Aging and Cancer, Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
e-mail: sagawam{at}idac.tohoku.ac.jp

Background. Roentgenographically occult bronchogenic squamous cell carcinomas (ROSCCs) are early squamous cell lung cancers of central type. Some of them cannot be treated with intrabronchial therapy. Although surgical treatment was performed for such tumors, it was unknown whether lobectomy was indispensable or not.

Methods. The clinicopathologic information of the 58 patients who underwent segmentectomy for ROSCCs were collected from 16 hospitals and reviewed retrospectively, compared with 98 patients who underwent lobectomy for ROSCCs.

Results. Five-year survival rate of the 58 patients based on lung cancer deaths was 96.8%, and 82.6% including all causes of death. The duration of chest tube drainage in the segmentectomy group was slightly longer than in the lobectomy group. Operative mortality and the frequency of postoperative complications were not statistically different in both groups. Postoperative/preoperative vital capacity and forced expiratory volume in 1 second were higher in the segmentectomy group.

Conclusions. These results suggest that segmentectomy may be an alternative for surgical therapy of carefully selected ROSCCs. More prospective studies are required to fully demonstrate clinical benefit.

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