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
Four-letter word letters. Typical examples include the word "work", implying that work can be unpleasant, or the game of "golf", jokingly referred to as a four-letter word when a player's pastime becomes an exercise in frustration. "Charlotte Observer" journalist Doug Robarchek noted in 1993 how many politicians have names with four letters, "Ever notice how many U.S. politicians have names that are also four-letter words? Ford, Dole, Duke, Bush, Gore ... and how many make us think of four-letter words?" Four-letter word The phrase four-letter word refers to a set of English-language words written with four letters which are considered profane, including