Report the case of a 51-year-old man, who evolved insidiously with tetraparesis after firearm cervical injury 19 years ago, presenting with polyarthralgia, headache, abdominal pain, constipation, polyneuropathy and anemia. Given the diagnostic hypothesis of lead poisoning due to the high serum and urinary levels of lead, surgical removal of projectile in the cervical region was chosen, obtaining clinical improv...