POSTERIOR INTEROSSEOUS NERVE PARALYSIS RELATED TO FOCAL RADIAL NERVE CONSTRICTION SECONDARY TO VASCULITIS

A case of posterior interosseous nerve paralysis is reported with disc ussion of some characteristics that appear to distinguish it from entr apment neuropathy and neuralgic amyotrophy. The surgical implications are also discussed. More than ten similar cases have been reported, bu t the pathogenesis of this condition is still controversial. The patie nt presented with posterior interosseous nerve paralysis related to fo cal radial nerve constriction secondary to vasculitis in the perineuri um. The constriction site was resected and the radial nerve was suture d. The patient recovered completely after 8 months.