B-scan ultrasound is highly recommended in any questionable lesion to ... it is important for a practitioner to differentiate between ocular melanoma and choroidal nevus, because the two can be ...

Giant choroidal nevi can resemble melanoma of the choroid Ophthalmology. 2010;117(2):324-333.

The size of the lesion was 10.3 mm in basal diameter and 3 mm in thickness on B scan ultrasound. A diagnosis of choroidal melanoma was made and the patient was admitted and investigated to exclude ...

The B-scan was showing dome-shaped lesion with acoustic hollowness and absence of choroidal excavation , with low-medium internal reflectivity on A-scan and intrinsic vascularity.

OCT scans can help detect the location and features of a choroidal melanoma. During an OCT scan, a person sits in front of the OCT machine while it scans the eye.