nerve sheath tumor

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• Nerve sheath tumor — Classification and external resources ICD O: 9540 9570[1] MeSH D018317 A nerve sheath tumor …   Wikipedia

• nerve sheath tumor — a tumor of the myelin sheath, such as an acoustic neuroma or a schwannoma; called also sheath t …   Medical dictionary

• Malignant peripheral nerve sheath tumor — Classification and external resources Micrograph of malignant peripheral nerve sheath tumour with the typical herringbone pattern. H E stain …   Wikipedia

• malignant peripheral nerve sheath tumor — MPNST. A type of soft tissue sarcoma that develops in cells that form a protective sheath (covering) around peripheral nerves, which are nerves that are outside of the central nervous system (brain and spinal cord). Also called MPNST …   English dictionary of cancer terms

• malignant peripheral nerve sheath tumor — a malignant type of schwannoma whose appearance is superficially similar to that of a fibrosarcoma; it may occur in association with neurofibromatosis that is undergoing malignant transformation. Called also malignant schwannoma,… …   Medical dictionary

• sheath tumor — nerve sheath t …   Medical dictionary

• Optic nerve sheath meningioma — Radiation treatment of ONSM MRI of a patient with ONSM …   Wikipedia

• tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a …   Medical dictionary

• Malignant triton tumor — (MTT) is a relatively rare, aggressive tumor made up of both malignant schwannoma cells and malignant rhabdomyoblasts. It s classified as a malignant peripheral nerve sheath tumor with rhabdomyosarcomatous differentiation. The unusual name triton …   Wikipedia

• Brain tumor — Classification and external resources Brain metastasis in the right cerebral hemisphere from lung cancer shown on T1 weighted magnetic resonance imaging with intravenous contrast …   Wikipedia

• Optic nerve glioma — Classification and external resources Magnetic resonance image of a large retrobulbar optic nerve tumor causing massive proptosis. ICD 10 C …   Wikipedia