Special Topics in Carcinogenesis, 1973 Symposium of the “Gesellschaft zur Bekämpfung der Krebskrankheiten Nordrhein-Westfalen, e.V.” Düsseldorf, 24th–25th March, 1972 Recent Results in Cancer Research Series, Vol. 44

With contributions by numerous experts

Welcome and Introduction.- Welcome and Introduction.- General Problems of Carcinogenesis.- Molecular Mechanisms in Chemical Carcinogenesis.- Formation of Carcinogens From Precursors Occurring in the Environment: New Aspects of Nitrosamine-induced Tumorgenesis.- Intrauterine Induction of Cancer by the Experimental Application of Chemical Substances.- The Replication of RNA Tumor Viruses.- Differentiation of Tumor Cells — Induction of Erythrocyte Membrane-Specific Antigens in Friend Leukemia Cells.- Immunosuppressive Effect of Friend’s Mouse Leukaemia and Anti-Thymocyte Serum on Herpes Simplex Virus Infection.- Cytology and Histology of Cancer.- Precancerous Lesions and their Detection and Diagnosis.- Preinvasive Carcinoma.- Enzyme Histochemistry of Human Tumors. Indications of Differentiation and Functioning.- Electron Microscopy of Oncocytomas and Carcinoid Tumors.- The Histology of Rare Human Tumors and their Relationships to General Tumor Pathology.- Karyology of Carcinogenesis.- Chromosome Changes in Human Malignant Tumors: An Evaluation.- Chromosome Alteration in the Course of Serial Transplantions of Experimental Tumors and Aging of Tumor Stemline Cells.- Early Changes in Ploidy and Cytogenetics of Liver Cells After Diethylnitrosamine Treatment.- Models of Experimental Carcinogenesis.- Carcinogenesis in vitro.- Induction and Some Characteristics of “Minimal Deviation” and Other Transplantable Rat Hepatomas.- Carcinogen-induced Cellular Thesaurismoses and Neoplastic Cell Transformation.- Experimental Intestinal Carcinogenesis and Polyp Development in Rats and Mice.- Tumor Induction in the Rat Kidney with Different Doses of DEN (Diethylnitrosamine): Frequency, Latency and Morphology of the Tumors.- Respiratory Infections and the Pathogenesis of Lung Cancer.-Experimental Tumors of the Nervous System.- Tumor Organotropy of N-nitrosomethylurea under the Influence of Hormonal Contraceptives.- Role of Regional Lymph Nodes in Growth and Metastasis Formation of Methylcholanthrene-induced Sarcomas of Golden Hamsters.