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Schwanomatosis

Dr Yuranga Weerakkody et al.

Schwanomatosis (also known as neurolemmomatosis) is a condition characterised by multiple schwannoma formation but without other criteria to support neurofibromatosis type II (NF2). Some however consider this as a variant of NF2 1. 

Diagnostic criteria

In order to classify as schwannomatosis one much have

  • two or more non intradermal (cutaneous) schwannomas : at least one with pathological confirmation
  • no evidence of any vestibular tumour
  • no known NF-2 mutation
  • usually be greater than 30 years at presentation

Radiographic features

Imaging features of individuals lesions are that of a schwannoma

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