• Part A courtesy of Tero Kivelä, MD; part B courtesy of Alison Skalet, MD, PhD.
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    Ocular Pathology/Oncology

    Intraoperative localization of melanoma for treatment purposes. A, Transillumination of the eye reveals a shadow at the site of a choroidal melanoma. This technique may be used to mark the tumor base to ensure accurate placement of a radioactive plaque. B, B-scan ultrasonography after placement of the radioactive plaque confirms optimal positioning.