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A subependymoma is a type of brain tumor; specifically, it is a rare form of ependymal tumor. [1] ... The diagnosis is based on tissue, e.g. a biopsy.
Neurofibromatosis type II (also known as MISME syndrome – multiple inherited schwannomas, meningiomas, and ependymomas) is a genetic condition that may be inherited or may arise spontaneously, and causes benign tumors of the brain, spinal cord, and peripheral nerves.
Ependymoblastomas, which occur in infants and children younger than 5 years of age, may spread through the cerebrospinal fluid and usually require radiation therapy. The subependymoma, a variant of the ependymoma, is apt to arise in the fourth ventricle but may occur in the septum pellucidum and the cervical spinal cord. It usually affects ...
Diagnosis involves a complete medical evaluation followed by imaging with a CT or MRI. A biopsy may be obtained in certain cases to categorize the lesion if the diagnosis is uncertain. [1] [4] [5] Treatment often involves some combination of surgery, radiation, and chemotherapy.
Subependymal giant cell astrocytoma (SEGA, SGCA, or SGCT) is a low-grade astrocytic brain tumor (astrocytoma) that arises within the ventricles of the brain. [1] It is most commonly associated with tuberous sclerosis complex (TSC).
Classification of brainstem gliomas by MRI appearance. Histopathology of a brainstem glioma. A brainstem glioma is a cancerous glioma tumor in the brainstem.Around 75% are diagnosed in children and young adults under the age of twenty, but have been known to affect older adults as well. [1]
The most conclusive test for a patient with a potential neurofibrosarcoma is a tumor biopsy (taking a sample of cells directly from the tumor itself). MRIs, X-rays, CT scans, and bone scans can aid in locating a tumor and/or possible metastasis.
Choroid plexus papilloma differentials include the following: [28] Meningioma, Chordoid glioma, Rosette-forming glioneuronal tumor, Central nervous system lymphoma Metastasis, Central neurocytoma, Intraventricular tumors such as papillary ependymoma, Subependymoma, Subependymal giant cell tumor, Choroid plexus tumors, Medulloblastoma.
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