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A choroidal schwannoma confirmed by surgical excision
Young Jae Cho1, Jung Bin Won, Suk Ho Byeon
1Siloam Eye Hospital, and The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.
Korean Journal of Ophthalmology : KJO
|April 2, 2009
Summary
Choroidal schwannomas are rare intraocular tumors. This case highlights successful surgical excision and diagnosis of a choroidal schwannoma, avoiding eye removal.
Area of Science:
- Ophthalmology
- Oncology
- Surgical Pathology
Background:
- Intraocular tumors, particularly choroidal masses, are often misdiagnosed, with malignant melanoma being a common differential.
- Schwannomas rarely occur within the eye, making their diagnosis challenging and often leading to delayed or incorrect initial assessments.
Observation:
- A 30-year-old female presented with a large, nonpigmented intraocular mass in the choroid of her right eye.
- The mass was surgically excised using a sclerouvectomy procedure.
Findings:
- Histopathological examination revealed a tumor composed of Antoni A (cellular solid) and Antoni B (loose myxoid) areas, consistent with schwannoma.
- Current ancillary studies have limited value in differentiating schwannomas from other choroidal neoplasms.
- This diagnosis was confirmed post-surgical excision, a method not previously reported for choroidal schwannoma.
Implications:
- Atypical presentations of suspected malignant melanoma should prompt consideration of benign neoplasms like schwannoma in the differential diagnosis.
- Surgical excision, as demonstrated in this case, can be a viable option for managing choroidal schwannomas, potentially avoiding enucleation.
- This case expands the understanding of choroidal schwannoma presentation and management, emphasizing the importance of considering rare diagnoses.
