When is B-scan ultrasonography indicated in the workup of choroidal melanoma?

Updated: Feb 18, 2020
  • Author: Enrique Garcia-Valenzuela, MD, PhD; Chief Editor: Andrew A Dahl, MD, FACS  more...
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B-scan ultrasonography of the eye is a routine test used in the evaluation of any posterior segment mass; it is especially needed in patients with media opacity

For choroidal melanomas, B-scan ultrasonography is used to help establish the diagnosis, to evaluate possible extraocular extension, to estimate tumor size for periodic observation, and to plan therapeutic intervention

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