A Case of Polyarteritis Nodosa Presenting as Rapidly Progressing Intermittent Claudication of Right Leg.

Rapidly progressive unilateral intermittent claudication could be a very rare, but noteworthy presentation of PAN. With suggestive histology and exclusion of other comorbidities aggressive immunosuppressants should be instituted. Vascular bypass surgery for critical ischaemia of the limbs is an option that could be considered for limb-threatening disease.