Revision 16 for 'Abdominal schwannomas'

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Abdominal nerve sheath tumor (Schwannoma)

Pathologically proven abdominal nerve sheath tumor (Schwannoma).

Biopsy was obtained from the epigastric mass with microscopic picture showing fragments of pseudocapsulated bland looking proliferated spindle cells having wavy nuclei & elongated eosinophilic cytoplasm.Focal palisading is noticed.Sections via cord like structures proved to nerve bundle surrounded by fibrofatty tissue entangling small nerve bundles.No atypia or malignancy.marker study revealed positive reaction to S-100.

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