Frontier Communications. Frontier Communications Corporation is a telecommunications company in the United States, which was previously mainly serving rural areas and smaller communities but now also serves several large metropolitan markets. It was known as Citizens Utilities Company until May 2000 and Citizens Communications Company until July 31, 2008.
The terms benign and pseudotumor derive from the fact that increased intracranial pressure may be associated with brain tumors. Those patients in whom no tumour was found were therefore diagnosed with pseudotumor cerebri (a disease mimicking a brain tumor).
A brain tumor occurs when abnormal cells form within the brain.[2] There are two main types of tumors: malignant or cancerous tumors and benign tumors.[2] Cancerous tumors can be divided into primary tumors that start within the brain, and secondary tumors that have spread from somewhere else, known as brain metastasis tumors.[1] All types of brain ...