Long-term outcome of a surgically resected intracranial vascular hamartoma in a dog

Lucia Vicens Zanoguera*, Marti Pumarola, Paula Ruhi, Pablo Fernandez Rodriguez, Alejandro Luján Feliu-Pascual

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

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.

Original languageAmerican English
Article numbere001107
JournalVeterinary Record Case Reports
Volume8
Issue number2
DOIs
Publication statusPublished - 11 May 2020

Keywords

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

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