Presentation
Reduced visual acuity of the right eye.
Patient Data
There is an echogenic dome-shaped mass with broad choroidal base in the posterior temporal quadrant of the right eye with prominent intrisic vascularity on color Doppler
On MRI, this choroidal mass is of intermediate signal on T1WI, slightly low signal on T2WI with intense and homogeneous enhancement following IV contrast. No extraocular extension is seen.
No associated lesions of Sturge-Weber syndrome.
Case Discussion
This patient had an MRI exam and fluorocein angiography 6 years ago which were in favor of a choroidal hemangioma. Compared to the MRI done 6 years ago (not shown), this choroidal mass seems relatively stable favoring benign etiology.
Choroidal hemangioma is rare benign vascular hamartomatous tumor of the choroid with two forms:
- Circumscribed choroidal hemangioma (CCH): solitary tumor with no systemic associations.
- Diffuse choroidal hemangioma (DCH): usually in association with Sturge-Weber syndrome.
On imaging, the main differential diagnosis is choroidal melanoma
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