Journal of Feline Medicine and Surgery Open Reports (Feb 2019)

Feline meningioma with extensive nasal involvement

  • Jorge Pérez-Accino,
  • Anna Suñol,
  • Elizabeth Munro,
  • Adrian W Philbey,
  • Katia Marioni-Henry

DOI
https://doi.org/10.1177/2055116919833732
Journal volume & issue
Vol. 5

Abstract

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Case summary A 9-year-old male neutered domestic longhair cat was presented with a 3 week history of lethargy and pain of unknown origin. A large extra-axial mass was demonstrated on MRI of the head, with cribriform plate destruction, extensive nasal invasion and intracranial expansion, producing a severe mass effect. The mass was isointense on T1-weighted imaging, predominantly hypointense with some hyperintense areas on T2-weighted imaging and fluid attenuation inversion recovery, markedly contrast enhancing, and caused transtentorial and cerebellar herniation. Histopathological evaluation confirmed a transitional (mixed) meningioma. Relevance and novel information To our knowledge this is the first report of a meningioma with extensive nasal involvement in a cat. Based on this case, meningioma should be considered as a differential diagnosis for tumours involving the nasal cavity and frontal lobe with cribriform plate destruction.