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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12710/4696
Title: Proliferarea limfovasculară în neoplazia scuamocelulară de cervix uterin
Other Titles: Limphovascular proliferation within the squamous cell neoplasia of uterine cervix
Authors: Mazuru, Vitalie
Fulga, Veaceslav
Mazuru, Oxana
Globa, Tatiana
Şaptefraţi, Lilian
Issue Date: 2012
Publisher: CEP "Medicina"
Citation: MAZURU, Vitalie, FULGA, Veaceslav et al. Proliferarea limfovasculară în neoplazia scuamocelulară de cervix uterin. In: Anale Științifice ale IP USMF “Nicolae Testemiţanu”. Ed. a 13-a. Chișinău: CEP Medicina, 2012, Vol. 1: Probleme medico-biologice şi farmaceutice, pp. 37-42.
Abstract: The aim of this research was the study of proliferative lymphatics microvascular density in preneoplastic and neoplastic lesions of uterine cervix. Material: squamous metaplasia – (n=22) cases, CIN I – (n=16), CIN II – (n=14), CIN III – (n=6), microinvasive carcinoma – (n=15), invasive carcinoma – (n=32). Methods: for histopathologic diagnosis and lesion’s stadialisation hematoxilin&eosin staining has been used. For identification of general LMVD and density of proliferative lymphatics the LSAB+/HRP Double Stain technique were performed. Two monoclonal antibodies have been used: anti D2-40 and anti Ki-67. Weidner hot spot modified method was used for lymphatic vessels quantification. Results: proliferative lymphatic vessels density in squamous metaplasia was equal with 0,93; CIN I – 1,4; CIN II – 3,33; CIN III – 4,56; microinvasive carcinoma – 3,01; invasive carcinoma – 2,14. Intratumoral lymphatics were small, flattened, without lumen. Peritumoral lymphatics were large, with distinct lumen. In peritumoral area were found 21 lymphatic vessels with tumor emboli inside, 8 of them were proliferative lymphatics. Conclusions: preneoplastic and neoplastic lesions of uterine cervix determine active formation of new lymphatic vessels. Lymphangiogenic switch begins in CIN I stage. In CIN III stage the LMVD is the highest. The intensity of tumor lymphangiogenesis is not smaller than in CIN stages. The spreading of tumor cells occurs through both types of lymphatic vessels: preexisting and newly formed. 38 Scopul lucrării a fost studierea densităţii microvasculare limfatice proliferante în leziunile preneoplazice şi neoplazice de cervix uterin. Material: metaplazie scuamoasă – (n=22) cazuri, CIN I – (n=14), CIN II – (n=12), CIN III – (n=6), carcinom microinvaziv – (n=15), carcinom invaziv – (n=32). Metode: hematoxilină şi eozină pentru diagnosticul histopatologic şi stadializarea leziunilor; dublă imunocolorare utilizând tehnica LSAB+/HRP Double Stain. Au fost utilizaţi pentru cercetare anti D2-40 şi anti Ki-67. Numărarea vaselor limfatice s-a făcumatut prin metoda hot spot modificat a lui Weidner. Rezultate: densitatea vaselor limfatice proliferante în metaplazia scuamoasă este egală cu 0,93; CIN I – 1,4; CIN II – 3,33; CIN III – 4,56; carcinom microinvaziv – 3,01; carcinom invaziv – 2,14. Limfaticele intratumorale au fost mici, colabate, iar cele peritumorale – medii sau mari, cu lumen evident. Au fost depistate 8 vase limfatice proliferante cu emboli tumorali în lumen. Concluzii: leziunile preneoplazice şi neoplazice determină activ formarea limfaticelor de neoformaţie, switch-ul limfangiogen începe în CIN I şi atinge apogeul în CIN III. Intensitatea limfangiogenezei tumorale în carcinoamele invazive nu este mai mică decât în CIN. Metastazarea celulelor neoplazice are loc atât prin limfaticele preexistente, cât şi prin cele de neoformaţie.
URI: http://repository.usmf.md/handle/20.500.12710/4696
Appears in Collections:Morfologie

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