SD Moffatt, WS Parkhill. Unusual presentations of ulnar nerve paresthesia: Mycotic aneurysm and leprosy. Can J Plast Surg 1996;4(4):217-220. Ulnar nerve compression causing clinical symptoms is a common occurrence. There are numerous conditions that can cause compression. Recently two very interesting and unusual etiologies were seen at the Plastic Surgery service. Leprosy causing ulnar nerve c...