- Discussion:
- nerve sheath tumor which arises from schwann cells;
- mass grows slowly and usually does not cause symptoms unless it grows within a confined space such as the tarsal tunnel;
- histology shows interlacing fascicles (Antoni A areas) and pallisading of nucleii;
- asked patient about any family history of type-I (peripheral)
neurofibromatosis;
- Treatment:
- in most cases, the neurilemoma can be shelled out from the nerve w/ blunt dissection;
Definition of the Target Sign and Its Use for the Diagnosis of Schwannomas.