Abstract
A schwannoma is a benign soft tissue tumor composed of Schwann cells. Clinically, the tumor is slow-growing and usually asymptomatic, rarely developing neurological symptoms. We present a case of a 44-year-old female who was diagnosed with an incomplete high radial nerve palsy, showing a wrist drop and extension of fingers due to schwannoma on the radial nerve of the upper arm. The patient showed excellent result after excision of the schwannoma and neurorrhaphy of the radial nerve.
Highlights
Open AccessA schwannoma is considered the most common benign tumor of peripheral nerves composed of Schwann cells and 5% of these tumors occur in the upper limbs [1]
We present a case of a 44-year-old female who was diagnosed with an incomplete high radial nerve palsy, showing a wrist drop and extension of fingers due to schwannoma on the radial nerve of the upper arm
We present a case of a 44-year-old female who was diagnosed with an incomplete high radial nerve palsy, showing a wrist drop and extension of fingers due to schwannoma of the radial nerve of upper arm with excellent result following the excision of the schwannoma and an end-to-end anastomosis of the radial nerve
Summary
A schwannoma is considered the most common benign tumor of peripheral nerves composed of Schwann cells and 5% of these tumors occur in the upper limbs [1]. The tumor is often associated with tingling sensation, which may not be a constant finding at clinical examination. A case of schwannoma of the median nerve at the carpal tunnel and the posterior interosseous nerve at the elbow joint causing muscle strength abnormality and sensory loss was reported in a previous study [2] [3]. There was no reported case of a schwannoma associated with neurological manifestations of the radial nerve of upper arm. We present a case of a 44-year-old female who was diagnosed with an incomplete high radial nerve palsy, showing a wrist drop and extension of fingers due to schwannoma of the radial nerve of upper arm with excellent result following the excision of the schwannoma and an end-to-end anastomosis of the radial nerve
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