Meat is a concentrated source of proteins, fats, cholesterol, calories, and many vitamins and micronutrients. It contains significant amounts of B complex vitamins (thiamine, riboflavin, niacin), iron, and other minerals. It has limited amounts of calcium and fiber.
Summary Summary. Schwannomatosis is a rare form of neurofibromatosis that is primarily characterized by multiple schwannomas (benign tumors of the nervous system) in the absence of bilateral (affecting both sides) vestibular schwannomas.
Schwannoma, malignant is listed as a  rare disease  by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Schwannoma, malignant, or a subtype of Schwannoma, malignant, affects less than 200,000 people in the US population.