How to Increase White Blood Cells. Leukocytes or white blood cells typically make up 4000-10,000 WBCs for every microliter of blood. If your white blood cell count drops below 3500 WBCs for every microliter of blood it causes a condition called leukopenia that causes cramps, fever, sore gums, diarrhea, sneezing, headaches, sore throat, etc. These are signs that your immune system is weak and you are susceptible to infection.
Causes of Schwannoma. Causes of Schwannoma. The exact cause of a schwannoma is not known, although the inherited genetic disorder, neurofibromatosis, is a risk factor for developing a schwannoma. Schwannoma: Related Medical Conditions. Schwannoma: Causes and Types.
Both schwannomas and neurofibromas can occur on any nerve in the body, but have a high incidence of growing on nerves along the spine. In very rare instances, Schwannomas and neurofibromas may present as malignant, but this is quite uncommon. Schwannoma and Neurofibroma Symptoms. A slow-growing mass, schwannomas can cause several symptoms.