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Three-dimensional ultrasonography of choroidal melanoma: extrascleral extension
J M Romero1, P T Finger, R Iezzi
1Department of Ophthalmology, The New York Eye and Ear Infirmary, New York 10003, USA.
Purpose:
To describe the results of three-dimensional ultrasonography used to evaluate extrascleral extension of a choroidal melanoma.
Methods:
Case report. The three-dimensional ultrasound system uses a 10-MHz B-mode transducer combined with a motorized rotating holder. The system acquires 180 sequential images that are stored and processed to create a three-dimensional block of the region of interest.
Results:
Unique coronal and oblique perspectives were obtained from interactive manipulation of the three-dimensional reconstruction. Examination of the three-dimensional image allowed us to detect the transscleral uveal-orbital connection. Extrascleral melanomatous extension was confirmed on histopathologic examination.
Conclusion:
Three-dimensional ultrasonography is a promising imaging technique for evaluating melanomatous extrascleral extension.