What PSEUDOTUMOR CEREBRI means: Pseudotumor Cerebri - Pseudotumor cerebri literally means "false brain tumor." It is likely due to high pressure caused by the buildup or poor absorption of cerebrospinal fluid in the subarachnoid space surrounding the brain. The disorder is most common in women between the ages of 20 and 50. Symptoms of pseudotumor cerebri, which include headache, nausea, vomiting, and pulsating intracranial noises, closely mimic symptoms of brain tumors.
- Definition Progressive Multifocal Leukoencephalopathy:
- Dictionary Multifocal Leukoencephalopathy - (PML) is caused by the reactivation of a common virus in the central nervous system of immune-compromised individuals. Polyomavirus JC (often called JC virus) is pseudotumor cerebri.
- Definition Postural Orthostatic Tachyardia Syndrome (POTS):
- Dictionary Orthostatic Tachyardia Syndrome (POTS) - A disorder characterized by a pulse rate that is too fast when the patient stands. Symptoms include rapid heartbeat, lightheadedness with prolonged standing pseudotumor cerebri.
- Definition Perineural Cysts:
- Dictionary Tarlov cysts are fluid-filled sacs that most often affect nerve roots in the sacrum, the group of bones at the base of the spine. These cysts can compress nerve roots, causing lower back pain pseudotumor cerebri.
- Definition Paraneoplastic Syndromes:
- Dictionary Syndromes - are a group of rare degenerative disorders that are triggered by a person's immune system response to a neoplasm, or cancerous tumor. Neurologic paraneoplastic syndromes are believed pseudotumor cerebri.