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.
The acoustic neuroma, also known as vestibular schwannoma,or an acoustic neuroma, is a nonmalignant tumor of the 8th cranial nerve (see Figure 1). Most commonly, it arises from the covering cells (Schwann cells) of the inferior vestibular nerve (Roosli et al 2012). Acoustic neuromas comprise about 6% of all intracranial tumors, about 30% of brainstem tumors, and about 85% of tumors in the region of the cerebellopontine angle.