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.
General Information. 1  Schwannomas are benign tumors of the nerve sheath that grow slowly and push nerve fibers aside. They occur most often as solitary tumor but on occasion as multiple lesions. 2  Schwannomas can arise from any peripheral nerve containing Schwann cells, including cranial nerves.