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A central nervous system cyst is a type of cyst that presents and affects part of the central nervous system (CNS). They are usually benign and filled with either cerebrospinal fluid, blood, or tumor cells. CNS cysts are classified into two categories: cysts that originate from non-central nervous system tissue, migrate to, and form on a ...
Cysticercosis is a tissue infection caused by the young form of the pork tapeworm. [6] [1] People may have few or no symptoms for years.[3] [2] In some cases, particularly in Asia, solid lumps of between one and two centimeters may develop under the skin. [1]
What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center. Easy flushing, a stinging sensation, and small, pus-filled pimples are other common signs of ...
Arachnoid cysts are cerebrospinal fluid covered by arachnoidal cells that may develop on the brain or spinal cord. [14] They are a congenital disorder , and in some cases may not show symptoms. However, if there is a large cyst, symptoms may include headache, seizures, ataxia (lack of muscle control), hemiparesis , and several others.
A branchial cyst, according to the Cleveland Clinic, is a small fluid-filled sac that may look like a lump under the skin on the side of the neck. It is considered one of the most common neck mass ...
It is a neurological disorder of the central nervous system characterized by cysts or cavities within the cerebral hemisphere. [2] Porencephaly was termed by Heschl in 1859 to describe a cavity in the human brain. [3] Derived from Greek roots, the word porencephaly means 'holes in the brain'. [4]
This benign tumor of the brain is made up of normal skin cells (stratified epithelial lining) on the outside, and fatty acids and keratin are on the inside of the tumor or sac. Only the sticky outer membrane is alive thus sticking to brain tissues and nerves. Epidermoid tumors strongly adhere to the brain stem or cranial nerves. Often the ...
Syringomyelia is a generic term referring to a disorder in which a cyst or cavity forms within the spinal cord. Often, syringomyelia is used as a generic term before an etiology is determined. [3] This cyst, called a syrinx, can expand and elongate over time, destroying the spinal cord.