Diktyoma mitotic activity, sarcomatous components, or invasion into the uvea, cornea, or sclera. Most diktyomas are malignant. The most common symptoms of diktyoma are vision loss and pain, while the most common signs are leukocoria and presence of a mass in the iris or ciliary body. Other signs and symptoms include lens subluxation, glaucoma, cataract, exophthalmos, buphthalmos, strabismus, and ptosis. Imaging studies such as ultrasonography (US), Computerized Tomography (CT) and Magnetic Resonance Imaging (MRI) may aid diagnosis. On ultrasound, diktyomas typically appear as echogenic, irregularly shaped to ovoid masses. Ultrasound is excellent for demonstrating cystic collections of vitreous fluid in the
The University of Illinois Eye and Ear Infirmary as the Claes Dohlman Chair in Ophthalmology, Professor of Ophthalmology at Harvard Medical School, and Senior Scientist & W. Clement Stone Scholar at The Schepens Eye Research Institute, as well as the Director, Cornea & Refractive Surgery, Massachusetts Eye & Ear Infirmary, Vice Chairman of Harvard Department of Ophthalmology, and Director of the Harvard Medical School Cornea Center for Excellence. Jennifer I. Lim: A leading authority on retina and vitreoretinal diseases, having performed more than 6,000 vitreoretinal surgeries and directed more than 50 clinical research studies and trials on age-related macular degeneration, diabetic retinopathy, macular edema and retinal vein occlusion