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Summary
A parasellar pituitary adenoma caused alternating painful ophthalmoplegia, mimicking Tolosa-Hunt syndrome. Clinicians should consider parasellar masses in recurrent painful ophthalmoplegia cases, even with a Tolosa-Hunt syndrome diagnosis.
Area of Science:
- Neuroscience
- Ophthalmology
- Endocrinology
Background:
- Tolosa-Hunt syndrome is characterized by painful ophthalmoplegia, often idiopathic or granulomatous.
- Recurrent painful ophthalmoplegia necessitates a thorough differential diagnosis to rule out underlying mass lesions.
Observation:
- Atypical features included unilateral blindness, bilateral involvement, and extensive trigeminal nerve compromise.
- The patient presented with alternating painful ophthalmoplegia, initially suspected as Tolosa-Hunt syndrome.
Findings:
- The underlying cause was identified as a parasellar pituitary adenoma.
- The pituitary adenoma's location and extent explained the atypical and severe neurological deficits.
Implications:
- Parasellar pituitary adenomas can present with symptoms mimicking Tolosa-Hunt syndrome.
- Early detection of parasellar masses is crucial for appropriate management of painful ophthalmoplegia.