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Histiocytic sarcoma (HS) is uncommon malignant neoplasia of round cells with marked predilection in Rottweiler and Bernese Mountain. The disseminated form, which mainly affects the spleen, lungs, lymph nodes, bone marrow, skin, and subcutis, presents a quick and aggressive clinical behavior. Hemangiosarcoma (HAS) is a malignant neoplasm of endothelial vessel cells commonly reported to affect the right atrium of dogs' hearts. A male Rottweiler, five years old, presented flaccid paraplegia and progressive muscular atrophy in the temporal, masseter, and limbs muscles; Due to the clinical stage of the animal, euthanasia was conducted. During the necroscopic examination, it was noticed that several masses presented different sizes; some were whitish, and others were reddish and spread in multiple organs (lungs, heart, spleen, stomach, kidneys, brain, medulla, skeletal muscle, and pre-scapular lymph node). Microscopically, in some organs such as the stomach, right ventricle, lungs, and medulla, it was noticed a proliferation of myeloid cells, highly cellular, with poor demarcation, no encapsulation, and with the infiltrative growth pattern of cells with high pleomorphism. Numerous tumoral emboli were observed in the spleen, brain, skeletal muscle, and lymph node. These cells were submitted for immunohistochemistry and were positive for CD18 (HS antibody). In the right atrium, liver, and kidney it was observed malignant and infiltrative endothelial proliferation (HSA) and emboli in the medulla. Therefore, we conclude that both neoplasms (HS and HSA) cause the animal's paraplegia due to their embolism and metastasis to the spinal cord and skeletal muscle.(AU)

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A globalização e o aumento da densidade populacional levam ao aumento do descarte de produtos gerados pela sociedade. Os resíduos são restos destes produtos que podem ser reciclados, já o lixo não pode ser reutilizado. O descarte inadequado dos resíduos causa impacto ambiental e reflete na Saúde Única. Este estudo teve como objetivo avaliar o nível de conhecimento da população que busca os serviços de saúde da atenção primária e da Unesp-FCAV de Jaboticabal (SP), por meio de um questionário contendo perguntas sobre a temática do lixo e resíduos. No estudo participaram 86 voluntários da atenção primária, com nota satisfatória em 6 das 10 questões. Os 88 voluntários da comunidade acadêmica da Universidade Estadual Paulista "Júlio de Mesquita Filho" (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV) tiveram nota satisfatória em 9 das 10 questões. A formação educacional influencia o nível de conhecimento e conscientização da população sobre o tema do estudo. Medidas educativas são necessárias para conscientizar a população sobre os efeitos dos resíduos na Saúde Única.(AU)

Globalization and the increase in population density lead to an increase in the disposal of products generated by society. Waste is the remains of these products that can be recycled, since garbage cannot be reused. Improper disposal of waste causes an environmental impact and reflects on One Health. This study aimed to assess the level of knowledge of the population that seeks primary care health services and the Unesp-FCAV in Jaboticabal (SP), using a questionnaire containing questions about garbage and waste. In the study, 86 volunteers from primary care participated, with a satisfactory score in 6 of the 10 questions. The 88 volunteers from Unesp-FCAV had a satisfactory score in 9 of the 10 questions. Education influences the level of knowledge and awareness of the population on the topic of study. Educational measures are needed to make the population aware of the effects of waste on One Health.(AU)

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Gurltia paralysans is a nematode first described in 1933 in Chile, causing a syndrome called feline crural parasitic paraplegia. Insects, mollusks, frogs, lizards, and rodents are paratenic hosts of this nematode, and cats probably become infected by ingesting them. This report aims to discuss the main anatomopathological findings of gurltiosis in a cat submitted to necropsy in a laboratory in Ribeirão Preto city, São Paulo state, southeastern Brazil, being the first case reported in this state. The main necroscopic findings were extramedullary reddened areas below the leptomeninges in the cervical and lumbar segments of the spinal cord. The histopathological examination showed marked thickening of the leptomeninges in the lumbar segment of the spinal cord, with marked neovascularization and fibrosis associated with eosinophilic and mononuclear inflammatory infiltration, as well as the presence of intravascular nematodes. The diagnosis of this lesion was chronic segmental meningomyelitis associated with intralesional parasites. Although uncommon, feline gurltiosis is a neglected parasitic disease that should be included as a differential diagnosis of paraparesis in domestic cats.(AU)

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