411 resultados para Intraepithelial Neoplasia
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Pós-graduação em Medicina Veterinária - FMVZ
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Medicina Veterinária - FMVZ
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Ginecologia, Obstetrícia e Mastologia - FMB
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Pós-graduação em Doenças Tropicais - FMB
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Pós-graduação em Ginecologia, Obstetrícia e Mastologia - FMB
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Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB
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The present study investigated the benefits of tumescent anesthesia with lidocaine in dogs undergoing mastectomy, seeking the patients' comfort and their postoperative recovery. Seven animals, with different weight and breed, who had cancer in the region of mammary chain underwent mastectomy surgery. All animals received the same anesthetic protocol being used as the association between acepromazine and morphine doses of 0.04mg.kg-1 and 0.4mg.kg-1 (IM), respectively. After 15 minutes a catheter was placed in the cephalic vein and induction with propofol 4mg.kg-1 and 0.2mg.kg-1 followed by maintenance with isoflurane anesthesia was done. After instrumentation, we proceeded to the tumescent anesthesia technique with ice-cold solution consisting of Ringer's lactate, lidocaine 2% without epinephrine and adrenaline in a total volume of 15mL.kg-1. The average duration of the procedure was 74±18 minutes. The plasmatic peak of lidocaine was between 30 and 60 minutes after infiltration. The rescue analgesic was performed after approximately seven hours of infiltration. It can be concluded that the tumescent anesthesia with lidocaine should be considered as a constituent of anesthetic and analgesic protocol in dogs undergoing mastectomy surgery providing parameter stability, safety and good quality postoperative recovery.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Cancer stem cells belong to a small population of cells within the tumor with properties of self-renewal and differentiation into other cell types. In this study, the behavior of both portions, mesenchymal and epithelial, was evaluated. Six carcinosarcomas (CSs), 11 carcinomas within mixed tumors (CWMTs) grade I, 11 grade II, and 10 grade III were evaluated. In the epithelial portions of the CS and CWMTs was observed immunostaining for antibodies CD44, CD24, Oct-4 and ALDH-1. In the mesenchymal portions of the CS, in the epithelial portions of CMTs grades II and III no immunostaining for ALDH-1 was found. It was concluded that the tumor stem cells are expressed in equal proportions in the epithelial and mesenchymal portions of the CS. No immunostaining in the mesenchymal portions of well-differentiated CWMTs was seen.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)