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Short- and Long-term Histological Changes in Liver Parenchyma After Different Resection Methods and Their Potential Role in Treatment of Colorectal Liver Metastasis

Optimal surgical margins, parenchymal-sparing technique and the effect of the surgical devices on the liver resection surface are currently hot topics. The aim of this study was to set up a surviving animal model to detect histological changes on the resection surface induced by the resection method...

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Bibliographic Details
Published in:Anticancer research 2020-03, Vol.40 (3), p.1359-1365
Main Authors: Palkovics, András, Vereczkei, András, Fincsur, András, Kiss, István, Németh, Balázs, Takács, Ildikó, Papp, András
Format: Article
Language:English
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Summary:Optimal surgical margins, parenchymal-sparing technique and the effect of the surgical devices on the liver resection surface are currently hot topics. The aim of this study was to set up a surviving animal model to detect histological changes on the resection surface induced by the resection method and the thermal effect of monopolar electrocautery in 'spray mode'. Eighteen male Wistar rats were used; all rats were subjected to standardized liver resection and resection surface coagulation. Resection surface samples were collected immediately after the operation from the first group, and at 1 week and 3 weeks after the operation from the second and third groups, respectively. The samples were histologically investigated. Spray diathermy was shown to cause parenchymaI destruction of varying depth on the resection surface due to immediate coagulation and consequent necrosis. Spray diathermy on the resection surface can also destroy the area that contains possible tumor cells after R1 resection and increases the tumor clearance without worse survival outcomes.
ISSN:0250-7005
1791-7530
DOI:10.21873/anticanres.14077