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Dogs
Lead intoxication mimicking idiopathic epilepsy in a young dog
  1. Theophanes Liatis1,
  2. Paola Monti2,
  3. Ariadna Ribas Latre3,
  4. Panagiotis Mantis4 and
  5. Giunio Bruto Cherubini1
  1. 1 Neurology & Neurosurgery Service, Dick White Referrals, Six Mile Bottom, UK
  2. 2 Diagnostic Pathology Laboratory, Dick White Referrals, Six Mile Bottom, United Kingdom
  3. 3 Internal Medicine Service, Dick White Referrals, Six Mile Bottom, United Kingdom
  4. 4 Diagnostic Imaging Service, Dick White Referrals, Six Mile Bottom, United Kingdom
  1. Correspondence to Dr Theophanes Liatis; theofanis.liatis{at}gmail.com

Abstract

An 11-month-old neutered female cocker spaniel was referred for two generalised tonic-clonic epileptic seizures with a one-week interval of mild depression. On admission, physical and neurological examinations were unremarkable. Neurolocalisation was forebrain. Haematology, biochemistry, serology for infectious diseases, urinalysis and urine culture were unremarkable. Cerebral MRI revealed T1-weighted hyperintensity in the lentiform nuclei. Cerebrospinal fluid analysis was unremarkable. Idiopathic epilepsy was mistakenly diagnosed and phenobarbital was started. A delayed blood film examination revealed metarubricytosis, polychromasia and basophilic stippling, raising the suspicion of lead intoxication. Abdominal radiography revealed a metallic lead foreign body (lead curtain weight), which removed endoscopically. Treatment with CaEDTA, thiamine and D-penicillamine was started. This report highlights the importance of including haematology, blood smear examination, biochemistry and urinalysis in the diagnostic workup of acute epileptic seizures particularly in young dogs. Lead intoxication should be included in the differential diagnosis in these patients, as modern lead sources still exist in our environment.

  • heavy metals
  • foreign body
  • metarubricytosis
  • neurotoxicology
  • seizures
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Footnotes

  • Contributors All authors worked closely together in the management of this clinical case, as well as in the development of the manuscript herein.

  • 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 sharing statement No additional data are available.

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