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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 105 (1983), S. 1395-1396 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1534-4681
    Keywords: Radiation, preoperative ; Chemotherapy, preoperative ; Carcinoma, esophageal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Esophageal adenocarcinoma (EA) incidence is rising. Defining optimal management is essential because median survival after surgery alone is only ∼12 months. High-dose radiation (〉5000 cGy) and chemotherapy (HDRCT) preoperatively for patients with EA has not been fully investigated. We evaluated tumor response, resectability, and survival following HDRCT in patients with localized EA. Methods: Thirty patients with American Joint Committee on Cancer (AJCC) clinical stage I or II EA were prospectively treated with HDRCT. The treatment consisted of 60 Gy radiation at 2 Gy per fraction with concurrent infusional 5-fluorouracil (5-FU) and a bolus of mitomycin C followed by esophagogastrectomy. The range of follow-up was 7 to 69 months, with a median of 31 months. Results: Twenty of 30 patients (67%) received full-course HDRCT. Severe esophagitis precluded full-dose radiation in 10 patients. Three patients developed neutropenia and fever requiring admission to a hospital. Two patients died preoperatively of treatment-related complications. Nine patients were not explored. Eighteen patients were resected with curative intent; the remaining three had metastatic disease at laparotomy. Seven of 18 resected patients (39%), or 7/30 (23%) of all patients treated, had a pathologic complete response. There was one operative death. Overall local control was seen in 25/30 patients (83%). Median overall survivals for resected and for all patients were 23 and 13 months, respectively. Conclusions: Preoperative HDRCT in patients with EA results in encouraging local tumor response and local control. Overall survival, however, may not be improved, and the treatment-related mortality of 10% is higher than reported with surgery alone or with preoperative chemotherapy.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1534-4681
    Keywords: Blood group A ; Lung cancer ; Survival
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Many human tumor cells display alterations in blood group antigen expression, and the loss of antigen A expression by non-small cell lung cancer (NSCLC) in blood group A patients has recently been associated with decreased survival. Methods: To confirm this finding, we performed a retrospective study of 62 NSCLC patients undergoing potentially curative resection between August 1987 and December 1991 who were blood group A and had paraffin-embedded primary lung cancer tissue suitable for immunohistological analysis of antigen A expression. Twenty-seven patients expressed antigen A in their tumors, whereas 35 had loss of antigen expression. Disease-free survival (DFS) curves were calculated for stage I (n=26) and IIIA (n=25) patients. Results: The two groups of patients with or without antigen A expression did not have significantly different DFS. A proportional hazards regression analysis identified no significant difference in the DFS of stage I patients with or without antigen A, but stage IIIA patients who had preservation of antigen A had significantly shorter DFS than did those who lost antigen A (p=0.0002). Conclusions: The loss of expression of antigen A by primary tumor cells was not a significant adverse prognostic factor in DFS in our series, and we would recommend further studies to define clearly the clinical importance of antigen A expression in pulmonary carcinoma.
    Type of Medium: Electronic Resource
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