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Congenital hydrocephalus in three sheep: Clinical, electroencephalographic and pathological features

Author

Listed:
  • M Masucci

    (Department of Veterinary Sciences, University of Messina, Messina, Italy)

  • MT Capucchio

    (Department of Veterinary Sciences, University of Turin, Turin, Italy)

  • R Buttitta

    (Veterinary Practitioner, Ambulatorio Veterinario Gagliardo, Bagheria (Palermo), Italy)

  • E Colombino

    (Department of Veterinary Sciences, University of Turin, Turin, Italy)

  • SA Mignacca

    (Veterinary Practitioner, Enna, Italy)

Abstract

The clinical, electroencephalographic and neuro-pathological features of three cases (cases 1, 2 and 3) of congenital hydrocephalus in sheep were described. The observed neurological signs reflected damage in the telencephalon and brain stem. The electroencephalogram performed in case 1 and case 2 showed different patterns: symmetric and synchronous high-voltage slow-activity in case 1, and low-voltage slow-activity in case 2. By the post-mortem examination, in all the animals, dilatation of the ventricular system, especially of the lateral ventricles, associated with a glial reaction surrounding the dilated ventricles was observed. Only in case 3, a monolateral meningeal thickening at the left cerebellopontine angle seemed to be responsible for the obstructive hydrocephalus. In the other two brains (case 1 and 2), no potential anatomical cause for the hydrocephalus were detected, even if, in case 2, a compensatory form was not excluded due to the moderate hypoplasia of the cerebrum and the presence of the non-suppurative inflammation. The results of this work provide a contribution to the EEG characterisation in ovine hydrocephalus cases; nevertheless further multidisciplinary studies of a larger number of sheep could permit to better characterise the EEG pattern in ovine hydrocephalus cases.

Suggested Citation

  • M Masucci & MT Capucchio & R Buttitta & E Colombino & SA Mignacca, 2022. "Congenital hydrocephalus in three sheep: Clinical, electroencephalographic and pathological features," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 67(1), pages 51-58.
    • Handle: RePEc:caa:jnlvet:v:67:y:2022:i:1:id:8-2021-vetmed
    DOI: 10.17221/8/2021-VETMED
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