How is radiation induced brachial plexopathy distinguished from malignancy
Which features are useful in distinguishing radiation-induced brachial plexopathy from malignancy?
Characteristics favoring the diagnosis of recurrent tumor instead of radiation-induced brachial plexopathy include severe pain, Horner’s syndrome, lower brachial plexus involvement, and a radiation dose less than 60 Gy.
Additionally, myokymic discharges on electromyography are often seen in patients with radiation-induced plexopathy.