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- Title
Metallothionein Expression Correlates with the Pathological Response of Patients with Esophageal Cancer Undergoing Preoperative Chemoradiation Therapy.
- Authors
Yamamoto, Makoto; Tsujinaka, Toshimasa; Shiozaki, Hitoshi; Doki, Yuichiro; Tamura, Shigeyuki; Inoue, Masatoshi; Hirao, Motohiro; Monden, Morito
- Abstract
Immunohistochemical staining for metallothionein (MT) and p53 was performed on biopsy specimens of 30 patients with esophageal squamous cell carcinoma who had received curative resection following preoperative chemoradiation. The pathologic response to chemoradiation was a partial response in 19 cases and no change was observed in 11 cases. In 16 cases with MT-positive tumor, 10 (62.5%) showed no change. In 14 cases with MT-negative tumor, 13 (92.8%) showed partial response. In 8 patients with negative staining for p53 and MT, 7 were responders, whereas in 9 patients with positive staining for p53 and MT, 6 were nonresponders. The pathologic response was significantly associated with the prognosis (p = 0.0167). The survival rate of the responders was significantly better than that of the nonresponders. These findings suggest that MT might be a prognostic marker, and consequently we can select the patients who will benefit from preoperative chemoradiation.
- Subjects
METALLOTHIONEIN; ESOPHAGEAL cancer; CANCER treatment; RADIOTHERAPY; DRUG therapy
- Publication
Oncology, 1999, Vol 56, Issue 4, p332
- ISSN
0030-2414
- Publication type
Article
- DOI
10.1159/000011988