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Japanese Journal of Clinical Oncology 31:203-208 (2001)
© 2001 Foundation for Promotion of Cancer Research

Comparison of Surgical Management of Thoracic Esophageal Carcinoma Between Two Referral Centers in Japan and China

Wentao Fang1, Hoichi Kato2, Wenhu Chen1, Yuji Tachimori2, Hiroyasu Igaki2 and Hiroshi Sato2,+

1Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai, China and 2Department of Surgery, National Cancer Center Hospital, Tokyo, Japan

Background: Comparison was made between two referral centers, the National Cancer Center Hospital (NCCH) in Japan and Shanghai Chest Hospital (SCH) in China. The aim was to detect the possible differences between surgical management of thoracic esophageal carcinoma in these two countries and to shed some light on how to improve the therapeutic outcomes at similar institutions.

Methods: A total of 98 patients (50 from NCCH and 48 from SCH) with squamous cell carcinoma of the thoracic esophagus treated by a single surgeon at either center during January 1997 to July 1999 were retrospectively reviewed.

Results: Lugol staining and endoscopic ultrasonography were applied routinely at NCCH only. More early diseases, multiple lesions and synchronous tumors of the digestive tract were detected in the NCCH group than in the SCH group. Significantly more stations of lymph nodes were dissected and higher metastatic rates to certain stations were found after more extensive lymphadenectomy in the NCCH group. Operation time was prolonged with significantly more postoperative complication but amount of blood loss or in-hospital mortality was not increased. There was a tendency toward better survival in the NCCH group at 2-year follow-up (70.9% NCCH vs. 56.2% SCH, p = 0.052).

Conclusions: Lugol staining is useful in detecting early diseases or multiple lesions and endoscopic ultrasonography in increasing the knowledge of preoperative evaluation and thus should be recommended. Attention should be paid to more thorough lymph node dissection, especially those lymph node stations with high metastatic rates within the chest and the abdomen and meanwhile avoiding major postoperative complications, so as to improve further the accuracy of tumor staging and therapeutic outcome.

+ For reprints and all correspondence: Hoichi Kato, Department of Surgery, National Cancer Center Hospital, 1–1 Tsukiji 5-chome, Chuo-ku, Tokyo 104-0045, Japan. E-mail: hckato@ncc.go.jp


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