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Spinal tumors are neoplasms located in either the vertebral column or the spinal cord. [1] There are three main types of spinal tumors classified based on their location: extradural and intradural (intradural-intramedullary and intradural-extramedullary). Extradural tumors are located outside the dura mater lining and are most commonly ...
Nervous system primary tumors include various types of brain tumor and spinal tumors, such as gliomas, and meningiomas (of the CNS), and schwannomas (of the PNS) and can be either benign or malignant. [1] There are over 120 types of brain and spinal cord tumors. [2]
Management of symptomatic tumors is also similar to spinal nerve sheath tumors. [12] A complete surgical resection of peripheral tumors is typically done whenever indicated, and if possible. [12] Gamma knife radiosurgery, a subset of SBRT, is an option for peripheral nerve sheath tumors growing near the brain. [12]
A central nervous system tumor (CNS tumor) is an abnormal growth of cells from the tissues of the brain or spinal cord. [1] CNS tumor is a generic term encompassing over 120 distinct tumor types. [2] Common symptoms of CNS tumors include vomiting, headache, changes in vision, nausea, and seizures. [3]
New and more precisely defined entities include malignant melanotic nerve sheath tumor (formerly known as melanotic schwannoma) and hybrid nerve sheath tumors. [4] [5] The majority of peripheral nerve tumors are benign tumors of the nerve sheath (usually schwannomas); on rare occasions, they are metastatic tumors or originate from the nerve cells.
A tumor pressing on the spinal cord may cause weakness, thus an inability to stand, crawl, or walk. Bone lesions in the legs and hips may cause pain and limping. A tumor in the bones around the eyes or orbits may cause distinct bruising and swelling. Infiltration of the bone marrow may cause pallor from anemia.
Since many of the tumors occur in the posterior fossa, they present like other posterior fossa tumors, often with headache, vomiting, lethargy, and ataxia (unsteady gait). A case of a seven-month-old child with a primarily spinal tumor that presented with progressive paraplegia and abnormal feeling in the legs was reported. [9]
Spindle cell sarcoma in muscle tissue. Spindle cell sarcoma is a type of connective tissue cancer.The tumors generally begin in layers of connective tissue, as found under the skin, between muscles, and surrounding organs, and will generally start as a small, inflamed lump, which grows in size.
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