Presentation
Left arm lump with pain for a prolonged duration.
Patient Data
Age: 35 years
Gender: Male
From the case:
Peripheral nerve sheath tumour





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There is a partially cystic hypoechoic lesion seen in the subcutaneous tissue of the arm on the lateral aspect.
Radial nerve is seen entering and exiting the lesion; at the proximal and distal ends respectively.
Case Discussion
Ultrasound findings are consistent with a peripheral nerve sheath tumour. Its eccentric mass about both ends of continuing with the nerve raises the possibility of schwannoma over neurofibroma.