Choroid plexus tumor
Encyclopedia
Choroid plexus tumor is a rare type of cancer
that occurs in the choroid plexus
of the brain
. A tumor
in this location usually occurs in children younger than 2 years and is one of several kinds:
Cancer
Cancer , known medically as a malignant neoplasm, is a large group of different diseases, all involving unregulated cell growth. In cancer, cells divide and grow uncontrollably, forming malignant tumors, and invade nearby parts of the body. The cancer may also spread to more distant parts of the...
that occurs in the choroid plexus
Choroid plexus
The choroid plexus is a structure in the ventricles of the brain where cerebrospinal fluid is produced...
of the brain
Brain
The brain is the center of the nervous system in all vertebrate and most invertebrate animals—only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. It is located in the head, usually close to primary sensory apparatus such as vision, hearing,...
. A tumor
Tumor
A tumor or tumour is commonly used as a synonym for a neoplasm that appears enlarged in size. Tumor is not synonymous with cancer...
in this location usually occurs in children younger than 2 years and is one of several kinds:
- Atypical teratoid rhabdoid tumorAtypical teratoid rhabdoid tumorAtypical teratoid rhabdoid tumor is a rare tumor usually diagnosed in childhood. Although usually a brain tumor, AT/RT can occur anywhere in the central nervous system including the spinal cord. About 60% will be in the posterior cranial fossa...
- Choroid plexus carcinomaChoroid plexus carcinoma-Signs and symptoms:the symptoms of choroid plexus carcinoma are similar to those of other brain tumors,and include:*Persistent or new onset headaches*Macrocephaly or bulging fontanels in infants.*Loss of appetite...
- Choroid plexus papillomaChoroid plexus papillomaA Choroid plexus papilloma is a rare, slow-growing, histologically benign intracranial neoplasm or tumor that is commonly located in the ventricular system of the choroid plexus. It may obstruct the cerebrospinal fluid flow, causing increased intracranial pressure.-Pathophysiology:The tumor is...
External links
- Choroid plexus tumor in the NCI Dictionary of Cancer Terms