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      Aneurysm of the pulmonary artery in a sheep with pulmonary adenocarcinoma

      case-report

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          Abstract

          ABSTRACT Aneurysm of the pulmonary artery is a rare condition in animals, and to our knowledge it has never been reported in association with pulmonary neoplasia. This report describes a case of an adult female sheep of the “Churra Galega Bragançana” breed with an aneurysm of the pulmonary artery associated with lung cancer (ovine pulmonary adenocarcinoma).

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          Most cited references13

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          Pathology and pathogenesis of ovine pulmonary adenocarcinoma.

          D.J. Griffiths, H.M. Martineau, C Cousens (2010)
          Ovine pulmonary adenocarcinoma (OPA), also known as jaagsiekte, is a transmissible lung tumour of sheep caused by jaagsiekte sheep retrovirus (JSRV). JSRV induces neoplastic transformation of alveolar and bronchiolar secretory epithelial cells and the resulting tumours can grow to occupy a significant portion of the lung. Tumour growth is frequently accompanied by the overproduction of fluid in the lung, which further compromises normal respiration. The period between infection and the appearance of clinical signs may be several months or years and many JSRV-infected sheep do not exhibit clinical signs at all during their lifespan. This allows the spread of OPA into new flocks through contact with infected but apparently normal animals. OPA was first described in the early 19th century; however, it has still not been possible to devise effective methods for controlling its spread and it remains an important problem in most countries where sheep are farmed. This is due in part to the absence of an immunological response to JSRV in infected animals, which has hindered the development of serological diagnostic tests and vaccines. In addition to its veterinary importance, OPA is regarded as a potential large animal model for human lung adenocarcinoma and this has stimulated research into the pathogenesis of the ovine disease. This work has produced some significant results, including the finding that one of the JSRV structural proteins is directly involved in oncogenesis. The recent advances in understanding JSRV and the pathogenesis of OPA should lead to novel strategies for diagnosis and control of this disease and for its exploitation as a comparative model for human lung cancer. Copyright 2010 Elsevier Ltd. All rights reserved.
          Article 0 comments Cited 33 times – based on 0 reviews     Review now
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            Pulmonary artery pseudoaneurysm: etiology, presentation, diagnosis, and treatment.

            Vaishali Lafita, Marc A Borge, Terrence C. Demos (2007)
            Pulmonary artery pseudoaneurysms (PAPs) are uncommon but associated with high mortality. Left untreated, lesions can enlarge, rupture, and lead to exsanguination and death. Presentations range from life-threatening hemorrhage to silent lesions that enlarge for days, months, or years. Because abnormalities on imaging studies can lead to early diagnosis and treatment and embolization is the treatment of choice, the radiologist can contribute to both timely diagnosis and treatment of PAPs. Pseudoaneurysms due to penetrating trauma, blunt trauma, bacterial endocarditis, and complications related to pulmonary artery catheters and right heart catheterization are presented. Three were treated by embolization.
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              Ovine Pulmonary Adenocarcinoma: A Large Animal Model for Human Lung Cancer

              D J Griffiths, C Cousens, M Dagleish … (2015)
              Article 0 comments Cited 15 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (publisher-id): australjvs
                Title: Austral journal of veterinary sciences
                Abbreviated Title: Austral j. vet. sci.
                Publisher: Universidad Austral de Chile. Facultad de Ciencias Veterinarias (Valdivia, , Chile )
                ISSN (Print): 0719-8000
                ISSN (Electronic): 0719-8132
                Publication date (Print and electronic): 2022
                Volume: 54
                Issue: 2
                Pages: 89-92
                Affiliations
                [4] Vila Real orgnameUniversity of Trás-os-Montes and Alto Douro Quinta dos Prados orgdiv1Department of Veterinary Science Portugal
                [1] Bragança orgnamePolytechnic Institute of Bragança (IPB) orgdiv1School of Agriculture Portugal
                [2] Braga orgnameINNO Veterinary Laboratory Portugal
                [6] orgnameUniversity of Trás-os-Montes and Alto Douro Portugal
                [5] Vila Real orgnameUniversity of Trás-os-Montes and Alto Douro Portugal
                [3] Gandra orgnameInstituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde Portugal
                Article
                Publisher ID: S0719-81322022000200089 Publisher ID: S0719-8132(22)05400200089
                SO-VID: 7b4f4f5a-e110-45e2-8902-b08fb671f4c5
                License:

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                Date accepted : 12 January 2022
                Date received : 06 October 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 13, Pages: 4
                Product

                SciELO Chile

                Categories
                Subject: CASE REPORTS

                Keywords: aneurysm,pulmonary adenocarcinoma,sheep
                Data availability:
                Keywords: aneurysm, pulmonary adenocarcinoma, sheep

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