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Soft tissue tumors
Peripheral nerve tumors
Schwannoma

Reviewer: Vijay Shankar, M.D. (see Reviewers page)
Revised: 28 January 2014, last major update November 2012
Copyright: (c) 2003-2014, PathologyOutlines.com, Inc.

See subtypes below: ancient, angiosarcoma-arising in, cellular, epithelioid malignant change, microcystic-reticular variant, pigmented, plexiform, psammomatous melanotic

General
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Clinical features
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Malignant transformation
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Treatment
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Gross description
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Gross images
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Well circumscribed
Micro description
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Micro images
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Various images
Positive stains
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Negative stains
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Electron microscopy description
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Differential diagnosis (palisading patterns)
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Angiosarcoma in schwannoma
General
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Case reports
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Virtual slides
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Epithelioid angiosarcoma arising in a schwannoma
Differential diagnosis
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Ancient schwannoma
General
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Case reports
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Micro images
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Large, hyperchromatic, multilobated nuclei
Various images
Hypopharyngeal tumour
Thigh mass mimicking malignancy
Abdominal wall mass


Cellular schwannoma
General
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Case reports
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Micro images
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Site unknown
Nasal cavity
Bipolar spindle cells
S100 positive


Epithelioid malignant change
General
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Microcystic-reticular variant
General
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Case reports
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Gross description
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Micro description
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Micro images
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Various images from GI tract
Colon
Positive stains
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Negative stains
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Electron microscopy images
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Irregular cell borders, elongated nuclei


Pigmented schwannoma
General
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Case reports
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Gross / clinical images
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Omental tumor
Micro images
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Omental tumor
Positive stains
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Negative stains
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Plexiform schwannoma
General
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Case reports
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Micro description
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Micro images
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Plexiform architecture
Nuclear palisading
Cellular areas
S100
Various images
Positive stains
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Differential diagnosis
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Psammomatous melanotic schwannoma
General
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Micro images
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Various images
End of Soft tissue tumors > Peripheral nerve tumors > Schwannoma


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