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Updated: Jan 26, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
Published on: June 2, 2014
A young man with visual disturbances and a mild headache
1Jerimiah D. Walker is an emergency medicine PA resident at the William Beaumont Army Medical Center in Fort Bliss, Tex. The author has disclosed no potential conflicts of interest, financial or otherwise. The views expressed in this article are those of the author and do not reflect the official policy of William Beaumont Army Medical Center, the Department of the Army, or the US government.
Headaches are common in emergency departments. This case highlights how visual field testing can reveal serious neurological deficits, like a pilocytic astrocytoma, necessitating neuroimaging.
Area of Science:
- Neurology
- Emergency Medicine
- Neuro-oncology
Background:
- Headaches are frequent reasons for emergency department visits.
- Most headaches are benign and managed symptomatically.
- Identifying secondary causes of headache is crucial.
Observation:
- Certain historical factors and physical exam findings suggest secondary headaches.
- Gross visual field testing is a key examination component.
- Unilateral vision loss can indicate a neurological deficit.
Findings:
- A patient presented with headache and unilateral vision loss.
- Neuroimaging was performed due to the concerning symptoms.
- Pilocytic astrocytoma was discovered via neuroimaging.
Implications:
- Visual field testing is critical for diagnosing neurological deficits.
- Early detection of brain tumors like pilocytic astrocytoma is vital.
- This case underscores the importance of thorough neurological examination in ED patients.
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