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Reversible cerebellar dysfunction associated with ciguatera fish poisoning.
Sun-Young Oh1, Do-Hyung Kim, Man-Wook Seo
1Department of Neurology, Chonbuk National University Medical School, Jeonju, South Korea.
The Journal of Emergency Medicine
|February 14, 2012
Summary
Ciguatera fish poisoning can cause neurological symptoms like ataxia and nystagmus. This case highlights potential involvement of both peripheral and central nervous systems in ciguatera.
Area of Science:
- Neurology
- Toxicology
- Gastroenterology
Background:
- Ciguatera fish poisoning is an underdiagnosed foodborne illness.
- It is caused by consuming fish contaminated with ciguatoxins.
- Symptoms include gastrointestinal distress and neurological deficits.
Observation:
- A young man presented with diarrhea and abdominal pain after eating raw fish.
- He developed severe ataxia and abnormal nystagmus (downbeat and perverted head-shaking).
Findings:
- Oculomotor examination revealed visual fixation suppression failure and impaired smooth pursuit.
- Findings indicated vestibulocerebellar dysfunction, particularly affecting the flocculus.
Implications:
- This case suggests ciguatera can impact both the peripheral and central nervous systems.
- Understanding neurological manifestations is crucial for diagnosing and managing ciguatera.
- Further research is needed to elucidate the neurotoxic mechanisms of ciguatoxins.
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