Isabela de Andrade Brum, F. Mario, B. M. Lucio, Carollina Mariga, A. S. D. Amaral, S. P. Filho
{"title":"Primary hypothyroidism due to thyroid carcinoma in a feline","authors":"Isabela de Andrade Brum, F. Mario, B. M. Lucio, Carollina Mariga, A. S. D. Amaral, S. P. Filho","doi":"10.1590/0103-8478cr20210795","DOIUrl":null,"url":null,"abstract":"ABSTRACT: Hypothyroidism is rarely observed in cats. This article reports the case of a thirteen-year-old feline with a one-year history of bilateral cervical swelling that had majorly grown in size two weeks prior to the animal’s admission. The cat presented with dysphonia, lethargy, weight gain, and constipation. On physical examination, hypothermia was observed, with a rectal temperature of 36.5 ºC. Fine-needle aspiration cytology suggested thyroid neoplasia. The serum levels of total T4 and thyroid stimulating hormone (TSH), along with the exclusion of non-thyroid diseases, confirmed the diagnosis of hypothyroidism. This is the first report of feline hypothyroidism in Brazil secondary to thyroid neoplasia, classified as a follicular-compact carcinoma and confirmed by histopathology.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"1 1","pages":""},"PeriodicalIF":0.8000,"publicationDate":"2023-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ciencia Rural","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1590/0103-8478cr20210795","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"AGRONOMY","Score":null,"Total":0}
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Abstract
ABSTRACT: Hypothyroidism is rarely observed in cats. This article reports the case of a thirteen-year-old feline with a one-year history of bilateral cervical swelling that had majorly grown in size two weeks prior to the animal’s admission. The cat presented with dysphonia, lethargy, weight gain, and constipation. On physical examination, hypothermia was observed, with a rectal temperature of 36.5 ºC. Fine-needle aspiration cytology suggested thyroid neoplasia. The serum levels of total T4 and thyroid stimulating hormone (TSH), along with the exclusion of non-thyroid diseases, confirmed the diagnosis of hypothyroidism. This is the first report of feline hypothyroidism in Brazil secondary to thyroid neoplasia, classified as a follicular-compact carcinoma and confirmed by histopathology.
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The purpose of Ciência Rural is to publish the results of original research, note and reviews which contribute significantly to knowledge in Agricultural Sciences. Preference will be given to original articles that develop news concepts or experimental approaches and are not merely repositories of scientific data. The decison of acceptance for publication lies with the Editors and is based on the recommendations of Editorial Comission, Area Committee and/ or ad hoc reviewers. The editors and reviewers are external to the institution.
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