title: B-scan ultrasonography of lesions simulating choroidal melanomas.
abstract: The B-scan ultrasonographic features of a number of well-known fundus lesions have been described. Emphasis has been placed upon those features which help to differentiate choroidal melanomas from lesions which sometimes clinically simulate melanomas.
mesh_terms: D002829:Choroid; D002830:Choroid Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006391:Hemangioma / Q000175:diagnosis; D006801:Humans; D008545:Melanoma / Q000175:diagnosis*; D009362:Neoplasm Metastasis; D012162:Retinal Degeneration / Q000175:diagnosis; D012163:Retinal Detachment / Q000175:diagnosis; D014463:Ultrasonography; D014603:Uveal Diseases / Q000175:diagnosis