Difference between revisions of "Schwannoma"
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{{ Infobox diagnosis | |||
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| Micro = Antoni A areas (cellular, fibrillary, polar, elongated), Antoni B area (pauci-cellular, loose microcystic tissue), Verocay bodies (paucinuclear area surrounded by nuclei), hyaline thickened [[blood vessel]]s, thick capsule. | |||
+/-peripheral lymphoid cuff (esp. GI tract) | |||
| Subtypes = conventional schwannoma, cellular schwannoma, plexiform schwannoma, melanotic schwannoma | |||
| LMDDx = [[meningioma]], [[leiomyoma]], [[GIST]], [[intranodal palisaded myofibroblastoma]] | |||
| Stains = | |||
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| Grossing = | |||
| Site = [[soft tissue lesions|soft tissue]] - [[peripheral nerve sheath tumours]] | |||
| Assdx = | |||
| Syndromes = [[neurofibromatosis type 2]], [[Carney complex]] (psammomatous melanotic schwannoma) | |||
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| Prevalence = common | |||
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| Prognosis = good | |||
| Other = | |||
| ClinDDx = [[meningioma]] - esp. at CP angle | |||
}} | |||
'''Schwannoma''' is a relatively common [[peripheral nerve sheath tumour]]. | '''Schwannoma''' is a relatively common [[peripheral nerve sheath tumour]]. | ||
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*[[Intranodal palisaded myofibroblastoma]] - if surrounded by a rim of lymphoid tissue, i.e. [[Lymph node pathology|intranodal]]. | *[[Intranodal palisaded myofibroblastoma]] - if surrounded by a rim of lymphoid tissue, i.e. [[Lymph node pathology|intranodal]]. | ||
*[[Leiomyoma]]. | *[[Leiomyoma]]. | ||
*[[Gastrointestinal stromal tumour]]. | |||
===Images=== | ===Images=== | ||