If your child has gigantism, you may notice that he or she is much larger than other children of the same age. Also, some parts of the body may be larger in proportion to other parts. Common symptoms include very large hands and feet, a thickening of toes and fingers, a prominent jaw and forehead, and coarse facial features. Children with gigantism may also have flat noses and large heads, lips, or tongues. The symptoms your child experiences may depend on the size of the pituitary gland tumor. As the tumor grows, it may press on nerves in the brain. Many people experience headaches, vision problems, or nausea from tumors. Other symptoms of gigantism may include