CARCINO-SARCOMA 256 DE WALKER: DISSEMINACAO METASTATICA EM DUAS LINHAGENS DO TUMOR
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Walker's 256 carcinoma changes its behaviour as a consequence of various factors. In this paper the authors compare the evolution of 2 lines of the tumor: WM 16 (muscular) and Christ Hospital (ascitic) both inoculated intramuscularly. Animals receiving line WM 16 had a severe rapidly progressive evolution dying around day 14 after inoculation with diffuse metastases to lymph nodes (65% of animals), kidneys (53%), spleen (50%), lungs (46.5%), liver (45%), bone marrow (44.8%), in 56% of the animals there were circulating tumoral cells. Animals receiving the Christ Hospital line survived up to 40 days, metastases were limited to lungs (48.7%) and lymph nodes (31.7%) and only in 2 of 45 animals circulating tumoral cells were observed.
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Português
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Brazilian Journal of Medical and Biological Research, v. 12, n. 2-3, p. 147-153, 1979.
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