Trauma surgery President Garfield was shot in the abdomen by Charles J. Guiteau. Two days later, a miner was shot outside Tombstone. On July 13, 1881, Goodfellow performed the first recorded laparotomy to treat the miner's gunshot wound. The man had a perforated small intestine, large intestine and bowel. Goodfellow sutured six holes in the man's organs. Similarly, President Garfield was thought later to have a bullet possibly lodged near his liver but it could not be found. Sixteen doctors attended to Garfield and most probed the wound with their fingers or dirty instruments. Unlike the President, the miner survived. Goodfellow treated
Charles J. Guiteau storage by the museum. Parts of Guiteau's brain remain on display in a jar at the Mütter Museum in Philadelphia. Dr. Allan McLane Hamilton said in 1881 that he believed that Guiteau was sane when he assassinated Garfield. An autopsy of Guiteau's brain revealed that his dura mater was abnormally thick, suggesting he may have had neurosyphillis, a disease which causes mental instability; he could have contracted the disease from a prostitute. George Paulson, formerly the chair of neurology at Ohio State University, disputed the neurosyphillis diagnosis, arguing that Guiteau suffered from both schizophrenia and "grandiose narcissism". In 2014, the