Circumscribed choroidal hemangioma.

Circumscribed choroidal hemangioma is an uncommon, benign vascular tumor manifesting as an orange-red mass in the posterior pole of the eye. Serous retinal detachment accounts for decreased vision in most patients. Diagnosis of this tumor is challenging with many patients initially misdiagnosed with choroidal melanoma or metastasis. Several ancillary tests such as ultrasonography, fluorescein angiography, indocyanine green angiography, and magnetic resonance imaging help differentiate this tumor from other simulating lesions. Asymptomatic lesions should be observed, but visually threatening or visually impairing lesions require treatment. Photodynamic therapy, laser photocoagulation, and transpupillary thermotherapy may be used for primary management of this tumor. Patients who fail to respond to previous treatment or those with extensive serous retinal detachment can be treated using radiotherapeutic modalities. Long interval between onset of symptoms and treatment, poor visual acuity at presentation, and presence of chronic retinal or retinal pigment epithelial changes are associated with poor long-term vision.