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Published on: March 1, 2015
Bilateral ptosis and supranuclear downgaze paralysis.
Péricles Maranhão-Filho1, João Carlos S Campos, Marco A Lima
1Department of Neurosurgery, Brazilian National Cancer Institute, Avenida Canal de Marapendi 1680, Rio de Janeiro, RJ, Brazil. pmaranhaofilho@gmail.com
Arquivos De Neuro-Psiquiatria
|December 21, 2007
Summary
This case report details an unusual presentation of supranuclear downward gaze palsy and bilateral eyelid ptosis in a patient with a midbrain tumor. It explores the neural pathways controlling vertical gaze.
Area of Science:
- Neuro-ophthalmology
- Neurology
- Oncology
Background:
- Supranuclear gaze palsy affects voluntary eye movements.
- Midbrain tumors can disrupt neurological pathways.
- Eyelid ptosis involves drooping of the upper eyelid.
Observation:
- A 53-year-old male presented with supranuclear downward gaze paralysis.
- The patient also exhibited bilateral eyelid ptosis.
- A midbrain tumor, induced by radiation, was identified as the cause.
Findings:
- This case highlights an uncommon co-occurrence of gaze palsy and ptosis.
- The findings underscore the complex neural circuitry of vertical gaze control.
- Radiation-induced midbrain tumors can manifest with specific ophthalmological signs.
Implications:
- Understanding these specific symptoms aids in diagnosing midbrain lesions.
- This case contributes to the knowledge of vertical gaze pathway anatomy.
- Further research into radiation-induced tumor effects on ocular motility is warranted.
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