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Tolosa-Hunt syndrome: MRI appearances.

R Jain¹, S Sawhney, R L Koul

¹Department of Radiology, Sultan Qaboos University, Muscat, Oman. rajeevjn@yahoo.com

Journal of Medical Imaging and Radiation Oncology

|November 27, 2008

Summary

Magnetic resonance imaging (MRI) effectively detects inflammatory masses in Tolosa-Hunt syndrome, a condition causing painful ophthalmoplegia. Follow-up MRI confirms treatment response and aids in monitoring relapses.

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Area of Science:

Neurology
Radiology
Ophthalmology

Background:

Tolosa-Hunt syndrome is characterized by painful ophthalmoplegia, often requiring detailed imaging for diagnosis.
Evaluating the cavernous sinuses and orbits is crucial for identifying the underlying pathology.

Observation:

Seven patients with Tolosa-Hunt syndrome underwent magnetic resonance imaging (MRI) studies.
MRI protocols included T2-weighted and fat-saturated T1-weighted sequences with contrast enhancement.
Focal-enhancing masses within the ipsilateral cavernous sinus were observed in all patients.

Findings:

MRI demonstrated high sensitivity in detecting inflammatory mass lesions in the cavernous sinus and orbital apex.
Masses expanded the cavernous sinus, with one case extending to the orbital apex and intraorbitally.
All patients responded to corticosteroid therapy, with mass resolution confirmed by follow-up MRI in most cases.

Implications:

MRI is recommended as the initial screening modality for suspected Tolosa-Hunt syndrome.
Serial MRI studies are valuable for monitoring treatment efficacy and detecting relapses.
These findings underscore the role of advanced neuroimaging in managing Tolosa-Hunt syndrome.