期刊
ANNALS OF THORACIC SURGERY
卷 70, 期 5, 页码 1634-1640出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0003-4975(00)01915-9
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Background, Little is known about the biological nature of T4 esophageal carcinoma growth signals and host defenses. Methods. Paraffin-embedded sections from 78 patients with T2 to T4 esophageal squamous cell carcinoma who underwent operation were analyzed with immunohistochemistry. Results. Positive cyclin A showed a significantly greater increase in T4 tumors than in those of other stages, and negative p27 showed a significantly greater decrease in T4 tumors than in large T3 stage tumors (tumor size greater than or equal to 4.0 cm). Patients with low-grade tumorinfiltrating lymphocyte (TIL) density showed a significantly greater decrease in T4 than in T2. The combination of p27 and cyclin A was a significant independent prognostic factor among T and N factors in multivariate analysis. TIL density was an independent prognostic factor among immunonutritional variables such as serum albumin concentration and the number of total blood lymphocytes. Conclusions. T4 esophageal squamous cell carcinoma has a poor prognosis, which is associated with increased p27-negative and cyclin A-positive growth signals in the tumor and with low TIL density in the host. (Ann Thorac Surg 2000;70:1634-40) (C) 2000 by The Society of Thoracic Surgeons.
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