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Ciliary body melanoma with optic nerve invasion
S al-Haddab1, A Hidayat, K F Tabbara
1Department of Ophthalmology, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
The British Journal of Ophthalmology
|February 1, 1990
Summary
A rare ciliary body melanoma case initially misdiagnosed as uveitis highlights the importance of advanced imaging. The melanoma was detected via CT and ultrasound, leading to eye enucleation and revealing optic nerve invasion.
Area of Science:
- Ophthalmology
- Oncology
- Pathology
Background:
- Ciliary body melanoma is a rare intraocular malignancy.
- Accurate and timely diagnosis is crucial for patient outcomes.
- Uveitis can sometimes present with symptoms overlapping those of intraocular tumors.
Observation:
- A patient initially diagnosed and treated for uveitis was evaluated.
- Computed tomography (CT) and ultrasound imaging were performed.
- A tumor was detected in the ciliary body.
Findings:
- The tumor was histopathologically confirmed as melanoma.
- The melanoma had invaded the optic nerve head.
- Invasion appeared to occur via Cloquet's canal.
Implications:
- This case underscores the need for a high index of suspicion for intraocular tumors in atypical uveitis cases.
- Advanced imaging techniques like CT and ultrasound are vital for accurate diagnosis.
- Understanding tumor invasion pathways, such as via Cloquet's canal, is important for surgical planning and prognosis in ciliary body melanoma.