Walker-Warburg Syndrome Overview What is Walker-Warburg syndrome? Walker-Warburg syndrome is a genetic condition that affects the muscles in your child’s body, including their brain and their eyes. This condition is a type of congenital muscular dystrophy present at birth or infancy that leads to progressive muscle weakness over time. This condition causes life-threatening symptoms for children and a shortened life expectancy. What is dystroglycanopathy? You might hear Walker-Warburg syndrome identified as dystroglycanopathy. Walker-Warburg syndrome is a form of congenital (appears at birth) muscular dystrophy, which is a group of conditions that target the muscles of your child’s body. There are several types of muscular dystrophy categorized as dystroglycanopathy, which identifies forms of muscular dystrophy caused by genes that produce the dystroglycan protein. Walker-Warburg syndrome is the most severe type of dystroglycanopathy. How common is Walker-Warburg syndrome? Walker-Warbur...
Von Hippel-Lindau Disease (VHL) Overview von Hippel-Lindau disease (VHL) is a rare genetic disorder that significantly increases the chance that you’ll have certain kinds of cancerous (malignant) tumors and noncancerous (benign) tumors and cysts. Healthcare providers may call this condition von Hippel-Lindau syndrome. The condition happens if you inherit a specific genetic mutation (change). Research shows that by the time they’re 65 years old, 97% of people who carry this genetic mutation will develop tumors and other conditions that VHL causes. Surgery is the most common treatment for conditions that von Hippel-Landau disease may cause. What cancers are associated with von Hippel-Landau disease? Having this condition increases the chance you’ll have one or more of the following kinds of cancer: Clear cell renal carcinoma (ccRCC): This is the most common form of renal cell carcinoma (kidney cancer). Experts estimate 25% to 60% of people with VHL disease have this cancer. Pancrea...