This 70-year-old male presents with lump on right forearm.
(QUIZ ANSWER) PRIMARY FINDING IN THIS CASE:
Using the diagnostic web viewer, we have provided images that assist in telling our clinical story. Areas of significance are indicated below.
Subjacent to the gel marker and arising from the ulnar nerve proximal to Guyon's canal is a 1.5cm x 1.2cm x 1.9cm T2 hyperintense mass. The mass is typical of a nerve sheath tumor such as neurofibroma or most likely a schwannoma.
No acute muscle or myofascial strain. Remainder of the neurovascular bundles are normal.
No osseous contusion or macrofracture. No additional soft tissue mass.
Moderate sized 1.9cm heterogeneous T2 hyperintense mass arises from the ulnar nerve proximal to Guyon's canal and is typical of a nerve sheath tumor such as neurofibroma or most likely a schwannoma.
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Content reviewed: July 19, 2021