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Results for “SARCOMA, LYMPHOSARCOMA”

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PubMed1977

[Needle biopsies of sarcomas of the breast: cytomorphology and DNA cytophotometry (author's transl)].

When needle biopsies are done on all palpable changes in the breasts, some sarcomas of the breast can be found. The cytomorphology of this mesenchymal tumor is described and the differential cytology is discussed. In some of our cases the relative content of DNS of the cell nuclei in the smear was determined by quantitative cytophotometry in a Feulgen Stain. It was found that the DNS values of lymphosarcoma and spindle cell stromal sarcoma were within the norm of class 2C to 4C. The DNS content of angiosarcoma and polymorphous stromal sarcomas showed wide variations up to class 8 C. The result is discussed in view of automated cytological diagnosis.

Biopsy, Needle↗
PubMed1981

Comparative oligonucleotide analysis of exogenous and endogenous primate type C viruses.

RNAs of representative viruses of the exogenous simian sarcoma virus-gibbon ape lymphosarcoma virus (SiSV/GALV) and endogenous baboon virus (BaEV) classes of subhuman primate type C viruses were compared and related to HEL-12 virus, an isolate derived from human embryonic lung cells. The extent of sequence identity between different viral RNA preparations was determined by comparison of fingerprint patterns obtained after electrophoretic separation of RNase T1-resistant oligonucleotides. The studies presented indicate that HEL-12 viral RNA and simian sarcoma-simian associated virus [SiSV(SSAV)] RNA share 90 to 95% of the large oligonucleotides. From 5 to 10% of virus-specific oligonucleotides were detected in each of several virus preparations examined and their occurrence was independent of the cell line on which the virus ws propagated. HEL-12 virus and GALV-SF have 50% unique oligonucleotides in common. These are the same oligonucleotides that are shared between GALV-SF and SisV(SSAV) RNA. Two BaEV isolates, M7 and BILN, and RD114, and BaEV-related endogenous virus of cats, each easily displayed distinguishable oligonucleotides patterns. Large oligonucleotides characteristic for these three endogenous virus isolates were not detected in the fingerprints of HEL-12 virus, SiSV(SSAV) and GALV-SF.

Animals↗