PURPOSE: The purpose of this study was to correlate high-resolution magnetic resonance imaging (MRI) and histologic findings in a case of juxtapapillary choroidal melanoma with clinical evidence of optic nerve invasion. METHODS: With institutional review board approval, an enucleated globe with choroidal melanoma and optic nerve invasion was imaged using a 7-tesla MRI followed by histopathologic evaluation. RESULTS: Optical coherence tomography, B-scan ultrasonography, and 1.5-tesla MRI of the orbit (1-mm sections) could not detect optic disc invasion. Ex vivo, 7-tesla MRI detected optic nerve invasion, which correlated with histopathologic features. CONCLUSIONS: Our case demonstrates the potential to document the existence of optic nerve invasion in the presence of an intraocular tumor, a feature that has a major bearing on decision making, particularly for consideration of enucleation.
PURPOSE: The purpose of this study was to correlate high-resolution magnetic resonance imaging (MRI) and histologic findings in a case of juxtapapillary choroidal melanoma with clinical evidence of optic nerve invasion. METHODS: With institutional review board approval, an enucleated globe with choroidal melanoma and optic nerve invasion was imaged using a 7-tesla MRI followed by histopathologic evaluation. RESULTS: Optical coherence tomography, B-scan ultrasonography, and 1.5-tesla MRI of the orbit (1-mm sections) could not detect optic disc invasion. Ex vivo, 7-tesla MRI detected optic nerve invasion, which correlated with histopathologic features. CONCLUSIONS: Our case demonstrates the potential to document the existence of optic nerve invasion in the presence of an intraocular tumor, a feature that has a major bearing on decision making, particularly for consideration of enucleation.
Entities:
Keywords:
7-tesla magnetic resonance imaging; Choroidal malignant melanoma; Optic nerve
Authors: Tobias Lindner; Soenke Langner; Andreas Graessl; Jan Rieger; Michael Schwerter; Max Muhle; Darius Lysiak; Oliver Kraus; Jens Wuerfel; Rudolf F Guthoff; Karen Falke; Stefan Hadlich; Paul-Christian Krueger; Norbert Hosten; Thoralf Niendorf; Oliver Stachs Journal: Exp Eye Res Date: 2014-06-11 Impact factor: 3.467
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