Special Topics in Carcinogenesis: Symposium of the “Gesellschaft zur Bekämpfung der Krebskrankheiten Nordrhein-Westfalen, e.V.” Düsseldorf, 24th–25th March, 1972

Front Matter....Pages I-VIII
Welcome and Introduction....Pages 1-1
Molecular Mechanisms in Chemical Carcinogenesis....Pages 2-8
Formation of Carcinogens From Precursors Occurring in the Environment: New Aspects of Nitrosamine — induced Tumorgenesis....Pages 9-15
Intrauterine Induction of Cancer by the Experimental Application of Chemical Substances....Pages 16-20
The Replication of RNA Tumor Viruses....Pages 21-29
Differentiation of Tumor Cells....Pages 30-44
Immunosuppressive Effect of Friend’s Mouse Leukaemia and Anti-Thymocyte Serum on Herpes Simplex Virus Infection in Mice....Pages 45-46
Precancerous Lesions and their Detection and Diagnosis....Pages 47-52
Preinvasive Carcinoma....Pages 53-56
Enzyme Histochemistry of Human Tumors....Pages 57-62
Electron Microscopy of Oncocytomas and Carcinoid Tumors....Pages 63-68
The Histology of Rare Human Tumors and their Relationships to General Tumor Pathology....Pages 69-74
Chromosome Changes in Human Malignant Tumors: An Evaluation....Pages 75-85
Chromosome Alteration in the Course of Serial Transplantations of Experimental Tumors and Aging of Tumor Stemline Cells....Pages 86-93
Early Changes in Ploidy and Cytogenetics of Liver Cells After Diethylnitrosamine Treatment....Pages 94-97
Carcinogenesis in vitro ....Pages 98-102
Induction and Some Characteristics of “Minimal Deviation” and Other Transplantable Rat Hepatomas....Pages 103-114
Carcinogen-induced Cellular Thesaurismoses and Neoplastic Cell Transformation....Pages 115-126
Experimental Intestinal Carcinogenesis and Polyp Development in Rats and Mice....Pages 127-129
Tumor Induction in the Rat Kidney with Different Doses of DEN (Diethylnitrosamine): Frequency, Latency and Morphology of the Tumors....Pages 130-137
Respiratory Infections and the Pathogenesis of Lung Cancer....Pages 138-157
Experimental Tumors of the Nervous System....Pages 158-169
Tumor Organotropy of N-nitrosomethylurea under the Influence of Hormonal Contraceptives....Pages 170-173
Role of Regional Lymph Nodes in Growth and Metastasis Formation of Methylcholanthrene-induced Sarcomas of Golden Hamsters....Pages 174-181
Back Matter....Pages 183-190