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Updated: Jun 1, 2026
06:09
Optic Nerve Sheath Point of Care Ultrasound: Image Acquisition
Published on: August 18, 2023
Idiopathic dural optic nerve sheath calcification associated with choroidal osteoma
Francisco J Ascaso1, Rafael Lasierra
1Department of Ophthalmology, Lozano Blesa University Clinic Hospital, Zaragoza, Spain. jascaso@gmail.com
Summary
This study reports a rare case of choroidal osteoma with optic nerve calcifications and other intracranial calcifications, observed over 16 years without progression. The findings suggest a generalized dural calcification process potentially linked to intraocular inflammation.
Area of Science:
- Ophthalmology
- Neurology
- Radiology
Background:
- Choroidal osteomas are rare benign ossifying tumors of the choroid.
- Optic nerve sheath calcification is an uncommon finding, often associated with systemic conditions.
- Generalized intracranial calcifications can indicate various underlying pathologies.
Observation:
- A 28-year-old woman presented with a choroidal osteoma in the right eye and left optic atrophy.
- Associated findings included bilateral optic nerve sheath calcification and calcifications in the pineal gland, choroid plexus, and dura.
- Imaging and visual acuity remained stable over a 16-year follow-up period.
Findings:
- The combination of optic nerve sheath calcification and multiple intracranial calcifications suggests a generalized dural calcification process.
- This is the first reported case of a choroidal ossifying tumor associated with calcified optic nerve lesions.
- The pathogenesis of bone formation in choroidal osteoma is uncertain, with intraocular inflammation proposed as a potential factor.
Implications:
- This case expands the understanding of rare ophthalmic and neurological associations.
- It highlights the importance of comprehensive imaging in cases of choroidal osteoma.
- Further research is needed to elucidate the etiology of combined intraocular and intracranial calcifications.
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