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A neuroma (/ nj ʊəˈr oʊ m ə /; plural: neuromata or neuromas) is a growth or tumor of nerve tissue. [1] Neuromas tend to be benign (i.e. not cancerous); many nerve tumors, including those that are commonly malignant, are nowadays referred to by other terms.
A nervous system tumor is a tumor that arises within the nervous system, either the central nervous system (CNS) or the peripheral nervous system (PNS). [1] [2] 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.
Ganglioneuroma (occasionally called a "ganglioma") is a rare and benign tumor of the autonomic nerve fibers arising from neural crest sympathogonia (undifferentiated cells of the sympathetic nervous system). [1] However, ganglioneuromas themselves are fully differentiated neuronal tumors that do not contain immature elements. [2]
Karen was finally diagnosed with a benign acoustic neuroma - a non-cancerous brain tumour - in December 2021. According to The Brain Tumour Charity a survey of 1000 people in the UK, 72% of people ...
A common subtype is the vestibular schwannoma (acoustic neuroma). [5] Neurofibromas: Benign tumors that grow on nerves, commonly associated with neurofibromatosis type I (NF1). [2] Malignant peripheral nerve sheath tumors (MPNSTs): Rare but aggressive cancers that arise from peripheral nerves or nerve sheath cells. [6]
A vestibular schwannoma (VS), also called acoustic neuroma, is a benign tumor that develops on the vestibulocochlear nerve that passes from the inner ear to the brain. The tumor originates when Schwann cells that form the insulating myelin sheath on the nerve malfunction. Normally, Schwann cells function beneficially to protect the nerves which ...
Palisaded encapsulated neuroma (PEN) is a rare, benign cutaneous condition characterized by small, firm, non-pigmented nodules or papules. [ 1 ] [ 2 ] They typically occur as a solitary (single) lesion near the mucocutaneous junction of the skin of the face, although they can occur elsewhere on the body.
A nerve sheath tumor is a type of tumor of the nervous system (nervous system neoplasm) which is made up primarily of the myelin surrounding nerves.Nerve sheath tumors can be benign or malignant, and may affect both the peripheral and central nervous systems.