Abdominal schwannomas

Case contributed by Dr Amr Farouk

Presentation

Presented with an abdominal mass discovered on ultrasound.

Patient Data

Age: 25
Gender: Male
CT

Multiple solid fusiform masses along the distribution of nerves infiltrating throughout the hepatic hilum, small bowel mesentery and greater omentum. They are seen showing homogeneous low attenuation.

Case Discussion

Histologically proven case of abdominal nerve sheath tumours (Schwannoma).

Biopsy as obtained from the epigastric mass with the histology showing:

  • fragments of pseudocapsulated bland looking proliferated spindle cells having wavy nuclei & elongated eosinophilic cytoplasm
  • focal palisading
  • sections with cord-like structures proved to be 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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Case information

rID: 54368
Case created: 6th Jul 2017
Last edited: 2nd Aug 2017
Inclusion in quiz mode: Included

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