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Jeffery ND. Biopsy of Brain Lesions. Vet Clin North Am Small Anim Pract 2024:S0195-5616(24)00059-7. [PMID: 39244445 DOI: 10.1016/j.cvsm.2024.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2024]
Abstract
Brain biopsy is essential for accurate diagnosis but is frequently avoided in veterinary medicine because of doubts about its safety, reliability, and clinical value. Data available from human and veterinary investigations suggest that such doubts are largely unwarranted. Many devices are available to guide minimally invasive biopsy but some can be costly to purchase and use, which can be problematic in veterinary medicine. Nowadays, costs can be substantially reduced by using 3-dimensional-printed guides.
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Affiliation(s)
- Nick D Jeffery
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, TX, USA.
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Cryptococcus Infection in Captive Callitrichids in the United Kingdom. J Comp Pathol 2021; 183:1-8. [PMID: 33714426 DOI: 10.1016/j.jcpa.2020.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 11/08/2020] [Accepted: 12/06/2020] [Indexed: 11/24/2022]
Abstract
Cryptococcosis is widely reported in North America and Australia but considered rare in the UK. Disease is mainly caused by Cryptococcus neoformans and Cryptococcus gattii and affects animals and humans. Cases of cryptococcosis have been described in non-human primates, including a few in the Callitrichidae family. Six captive callitrichids from five zoological facilities in the UK were diagnosed with cryptococcosis on post-mortem examination over a 13-year period. Histological examination revealed intralesional yeast bodies consistent with Cryptococcus spp in lung, brain, lymph nodes, larynx, salivary gland and ears. C. neoformans was confirmed in two cases by culture and by culture and polymerase chain reaction (28S rRNA gene), respectively. This case series is the first report of Cryptococcus spp in captive callitrichids in the UK and reinforces the need to include this fungal disease in the differential diagnosis of sick callitrichids in zoo settings.
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da Silva EC, Guerra JM, Torres LN, Lacerda AMD, Gomes RG, Rodrigues DM, Réssio RA, Melville PA, Martin CC, Benesi FJ, de Sá LRM, Cogliati B. Cryptococcus gattii molecular type VGII infection associated with lung disease in a goat. BMC Vet Res 2017; 13:41. [PMID: 28173801 PMCID: PMC5297049 DOI: 10.1186/s12917-017-0950-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 01/13/2017] [Indexed: 12/12/2022] Open
Abstract
Background Cryptococcus gattii-induced cryptococcosis is an emerging infectious disease of humans and animals with worldwide distribution and public health importance due to its significant morbidity and mortality rate. The present study aimed to report a case of pulmonary infection by C. gattii molecular type VGII in State of São Paulo, Brazil. Case presentation A 5-year-old goat showing intermittent dry cough, ruminal tympany, anorexia, fever, tachycardia and tachypnea was presented for necropsy at the Veterinary Hospital of the School of Veterinary Medicine and Animal Sciences, São Paulo University, São Paulo, Brazil. Postmortem examination revealed numerous 2.0–6.0 cm diameter yellow gelatinous pulmonary masses. Tissues were evaluated by a combination of pathological, mycological, and molecular diagnostic techniques. Microscopically, pneumonia granulomatous, multifocal to coalescing, moderate, with many intralesional carminophilic yeasts was observed. The immunohistochemistry and mycological culture confirmed Cryptococcus spp. Internal transcribed spacers and orotidine monophosphate pyrophosphorylase nucleotide differentiation demonstrated that the isolate corresponds to the C. gattii VGII molecular subtype. Conclusions To our knowledge, this is the first report of a pulmonary infection in a goat linked to C. gattii molecular type VGII in Southeastern Brazil. Our findings emphasize the need for an active surveillance program for human and animal new infections to improve the current public health policies due to expansion of the epidemiological niche of this important microorganism.
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Affiliation(s)
- Evelin Catarine da Silva
- Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil
| | - Juliana Mariotti Guerra
- Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil.,Instituto Adolfo Lutz (IAL) - Centro de Patologia, Av. Dr. Arnaldo, 351 - 7o. Andar - Sala 705 - Pacaembú, São Paulo, SP, 01246-000, Brazil
| | - Luciana Neves Torres
- Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil
| | - Alessandra Maria Dias Lacerda
- Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil
| | - Raquel Gonçalves Gomes
- Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil
| | - Danilo Marin Rodrigues
- Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil
| | - Rodrigo Albergaria Réssio
- Instituto Adolfo Lutz (IAL) - Centro de Patologia, Av. Dr. Arnaldo, 351 - 7o. Andar - Sala 705 - Pacaembú, São Paulo, SP, 01246-000, Brazil
| | - Priscilla Anne Melville
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil
| | - Camila Cecilia Martin
- Clínica de Bovinos e Pequenos Ruminantes - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-900, Brazil
| | - Fernando José Benesi
- Clínica de Bovinos e Pequenos Ruminantes - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-900, Brazil
| | - Lílian Rose Marques de Sá
- Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil
| | - Bruno Cogliati
- Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil.
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