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Dogs
Long-term outcome of a surgically resected intracranial vascular hamartoma in a dog
  1. Lucia Vicens Zanoguera1,
  2. Marti Pumarola2,
  3. Paula Ruhi3,
  4. Pablo Fernandez Rodriguez3 and
  5. Alejandro Luján Feliu-Pascual3
  1. 1Neurology, North West Veterinary Surgeons, Runcorn, Cheshire, UK
  2. 2Unit of Murine and Comparative Pathology, Department of Animal Medicine and Surgery, Universitat Autonoma de Barcelona, Bellaterra, Barcelona, Spain
  3. 3Aúna Especialidades Veterinarias, Valencia, Spain
  1. Correspondence to Lucia Vicens Zanoguera; luciavicenszanoguera{at}gmail.com

Abstract

A 13-year-old, 6.25-kg (13.8-lb) female mongrel was referred to the authors’ hospital with an acute-onset left pleurothotonus and intermittent opisthotonus. Neurological examination showed clinical signs consistent with a multifocal brain lesion, and neoplastic, vascular, inflammatory and infectious conditions were considered. Precontrast and postcontrast CT images of the brain were obtained and revealed a precontrast hyperattenuating lesion with ring enhancement affecting the left frontoparietal junction. There was severe perilesional oedema, moderate midline shift, and left caudal transtentorial and foramen magnum herniations. A neoplastic lesion with a recent haemorrhagic component was therefore suspected. Following medical treatment with a mannitol bolus and prednisone for eight days, the neurological examination was considered normal. A dark-grey capsulated mass was removed during a left frontoparietal craniectomy. Immediate postsurgical CT confirmed complete excision. Biopsy results were consistent with a cerebral vascular hamartoma. At 27-month follow-up, the dog was clinically normal.

  • cerebral hamartoma
  • surgical resection
  • craniotomy
  • geriatric dog
  • vascular neoplasia
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Footnotes

  • Contributors LVZ, ALF-P: concept/design, acquisition of data, drafting of the manuscript, assembled the figures, critical revision of the manuscript and approval of the article. PFR: approval of the article. PR: acquisition of data and approval of the article. MP: acquisition of data, assembled the figures, critical revision of the manuscript and approval of the article.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement All data relevant is included or uploaded.

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