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  • 1
    ISSN: 1432-1335
    Schlagwort(e): N-Carboxymethyl-N-nitrosourea (CMNU) ; Female Donryu rats ; Intestinal tumor ; Mammary tumor
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The carcinogenicity of N-carboxymethyl-N-nitrosourea (CMNU), a naturally occurring N-nitroso compound, was tested in female Donryu rats. Four groups of female Donryu rats were given 400, 200, 100, or 0 ppm of CMNU solution continuously as drinking water. The incidence of tumors was highest and the mean survival time shortest in the 400 ppm group. A dose-effect relationship was observed in the tumor incidence and the mean survival time and the incidences of tumors in all experimental groups were significantly different from those in the control group. In the 400 ppm group, tumors were detected most frequently in the small intestine, followed by the mammary gland. In contrast, most tumors were observed in the mammary gland in the other two experimental groups, although dose-dependent induction of tumors of the small intestine was also detected in these two groups. The organ specificity of CMNU is compared with that of other N-alkyl-N-nitrosourea derivatives.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1437-7772
    Schlagwort(e): Key words Extraovarian peritoneal serous papillary carcinoma ; Peritoneum ; Müllerian potential ; Cisplatin ; CA125 ; CA15-3
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Extraovarian peritoneal serous papillary carcinoma is a rare disease in women that arises from extraovarian peritoneum with müllerian potential. It shows histopathological findings identical to those of ovarian serous carcinoma. At diagnosis, this disease usually exhibits peritoneal carcinomatosis, but evidence of a primary site is lacking. We experienced a case of extraovarian peritoneal serous papillary carcinoma in a 72-year-old woman who complained of abdominal distension and soon after developed bowel obstruction. Although we failed to perform any effective surgical procedure at laparotomy, because the cancer was extremely advanced, treatment with cisplatin resulted in rapid reduction of the tumor, and, finally, in its complete disappearance. Cisplatin was administered only three times, and the total dose was 300 mg. The patient is still alive and clinically free of recurrence 32 months after her first visit to our hospital. In this report we describe her clinical course, and discuss the diagnosis and treatment of this disease, and the usefulness of tumor markers for monitoring it.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Journal of cancer research and clinical oncology 96 (1980), S. 35-41 
    ISSN: 1432-1335
    Schlagwort(e): Mammary tumor ; Nitrosourea ; 1,3-Dibutyl-l-nitrosourea ; Donryu rat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Four groups (groups 1-4) of female Donryu rats were given continuously 400, 200, 100, or 0 ppm solution of 1,3-dibutyl-1-nitrosourea (B-BNU) as their drinking water, and were studied for the development of tumors. The incidence of mammary tumors was 15/19 (79%), 20/24 (83%), 21/26 (81%), and 8/25 (32%) in groups 1, 2, 3, and 4, respectively. In addition, hematopoietic neoplasms, uterine tumors, and vaginal tumors developed in 13, 11, and six rats, respectively in 69 treated rats. Other tumors were infrequent.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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