Split fat sign

The split fat sign is feature that can be seen typically on MRI images with peripheral nerve sheath tumours. It is seen as a fine rind of fat around the lesion. It is best appreciated on T1 weighted images 1. On coronal or sagittal images (i.e.images along the direction of the nerve) a tapered rim of fat signal may seen adjacent to the proximal and distal ends of the lesion 1.

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rID: 43047
Synonyms or Alternate Spellings:
  • Split fat sign in peripheral nerve sheath tumour
  • Split fat sign in peripheral nerve sheath tumours
  • Split fat sign in peripheral nerve sheath tumor
  • Split fat sign in peripheral nerve sheath tumors
  • Split fat sign - MRI

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    Case 1: peripheral nerve sheath tumour
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