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Master's Dissertation
DOI
https://doi.org/10.11606/D.10.2023.tde-11122023-121530
Document
Author
Full name
Marina Yumi Kanadani
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2023
Supervisor
Committee
Matera, Julia Maria (President)
Casagrande, Thais Andrade Costa
Gomes, Cristina de Oliveira Massoco Salles
Title in Portuguese
Índices inflamatórios em felinos portadores de sarcoma
Keywords in Portuguese
Gatos
LMR
NLR
PLR
Sarcoma de aplicação
Abstract in Portuguese
Sarcoma de aplicação felino (SAF) é o nome dado a um grupo de tumores mesenquimais que se desenvolvem pela administração injetável de medicações, localmente invasivo e pouco metastático, cujo tratamento consiste em cirurgia associada a quimioterapia e/ou radioterapia. Considerando que a resposta inflamatória sistêmica desempenha papel importante no desenvolvimento do microambiente tumoral favorável à oncogênese, foram propostos índices inflamatórios na medicina humana como marcadores prognósticos de diferentes tipos de câncer. Os principais índices são: neutrófilos-linfócitos (NLR), linfócitos- monócitos (LMR), plaquetas-linfócitos (PLR), índice prognóstico nutricional (PNI) e índice sistêmico inflamatório imune (SII). Embora existam diversos estudos sobre a utilidade destes marcadores em humanos, na medicina veterinária ainda faltam ensaios a respeito. Este trabalho buscou analisar retrospectivamente o prontuário de 53 animais hígidos e 53 animais com diagnóstico de sarcoma de aplicação felino atendidos no Serviço de Cirurgia de Pequenos Animais do Hospital Veterinário da Faculdade de Medicina da Universidade de São Paulo, estabelecendo os seus índices inflamatórios segundo os exames de sangue disponíveis para então comparar seus valores. Adicionalmente, dentro do grupo portador de SAF, buscou-se correlacionar os índices com o diagnóstico imunohistoquímico, grau histopatológico, tempo livre de doença e tempo de sobrevida. O objetivo foi determinar se os índices inflamatórios propostos seriam diferentes entre os grupos e se teriam valor preditivo para o prognóstico dos animais portadores de SAF.
Title in English
Inflammatory indexes in felines with injection-site sarcoma
Keywords in English
Cats
Injection-site sarcoma
LMR
NLR
PLR
Abstract in English
Feline Injection Site Sarcoma (FISS) is the name given to a group of mesenchymal tumors that develop because of injectable drugs administration. These tumors are locally invasive and have low metastatic potential. The treatment for FISS involves surgery along with chemotherapy and/or radiation therapy. Considering that the systemic inflammatory response plays an important role in the development of the tumor microenvironment that promotes tumorigenesis, various inflammatory indices have been proposed in human medicine as prognostic markers for different types of cancer. The main indices include neutrophil-to-lymphocyte ratio (NLR), lymphocyte-to-monocyte ratio (LMR), platelet-to-lymphocyte ratio (PLR), prognostic nutritional index (PNI), and systemic immune-inflammatory index (SII). While there are several studies on the usefulness of these markers in humans, there is still a lack of research in veterinary medicine. The aim of this study was to retrospectively analyze the medical records of 53 healthy animals and 53 animals diagnosed with FISS, treated at the Service of Small Animals Surgery of the Veterinary Hospital of the Faculty of Veterinary Medicine and Animal Science of the University of São Paulo. The main goal was to determine their inflammatory indices based on available blood tests and then compare their values. Also, within the FISS group, the study aimed to correlate these indices with immunohistochemical diagnosis, histopathological grade, disease-free survival time, and overall survival time. The objective was to determine if the proposed inflammatory indices differed between the groups and if they had predictive value for the prognosis of animals with FISS.
 
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Publishing Date
2024-01-18
 
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