World's Most Shocking X-Rays

This unfortunate person was attacked with a screwdriver. Believe it or not, doctors removed the weapon - and the patient made a full recovery.

Watch those nail guns. This worker didn't, and he wound up shooting a nail into his hand. Doctors removed it, and he was fine.

This scary-looking image shows what can happen when a toddler runs with a pen in his mouth. When he fell, the pen went through the inside of his upper lip - and kept going until it had reached almost to the eye socket. But he was lucky - it came out and he was fine.

London jogger Amy Preston had an Eiffel Tower keyring become embedded in her hand after she fell over while carrying her keys.

Russian Artyom Sidorkin, 28, was relieved when surgeons operated on him and found this five-centimetre fir tree growing inside his lung. He had had extreme pain in his chest and was coughing up blood. Doctors had been convinced he had cancer, Russian website mosnews.com reported.

Toddler Nicholas Holderman somehow escaped unharmed after landing on his parent's car keys and having one penetrate his brain.

Six nails embedded in the skull of construction worker Isidro Mejia, 39, after an industrial incident caused a nail gun to shoot nails into his head and brain on April 19, 2004, are seen in this X-ray image from Providence Holy Cross Hospital in Los Angeles. Five of the six nails were removed in surgery that day and the sixth was removed from his face on April 23, after the swelling went down.

This image provide by the University Medical Center in Tucson, Arizona shows the x-ray of an 86 year-old man, Leroy Luetscher, who was accidentally impaled through his eye socket with pruning shears at his home on July 30, 2011. While working in his yard, Luetscher dropped a pair of pruning shears, which landed in the ground point-side down. When Mr. Luetscher went to pick up the shears, he lost his balance and fell face-down on the handle. Thankfully he made a full recovery.

This is what happened when a poorly supervised mental patient got hold of some nuts - the kind that screw onto bolts. At the point the x-ray was taken, the nuts were partway through the small intestine. They passed without incident. No harm done. Still a bit nutty.

Swallowing a box cutter blade sounds like something only a crazy person would do. In fact, the abdomen in this x-ray belonged to a mentally unstable man. "Swallowing objects is very common in mental institutions," says Dr. Tim B. Hunter, professor of radiology at the University of Arizona and a collector of unusual X-ray images. But the blade passed without harm. Once they reach the large intestine, says Dr. Hunter, swallowed foreign bodies often pass without harm.

This young man stepped on a nail while wearing sandals.

An undated X-ray shows steel balls and magnets inside of 8-year-old Haley Lents, after the Huntingburg, Ind. child swallowed the pieces from a magnetic toy set on May 8, 2008. The child required emergency surgery and was hospitalized for two weeks.

In this undated Metropolitan Police handout, x-ray images show how a teenage boy cheated death when a five inch knife was plunged into his head. The 16-year-old and two other young men were injured when they tried to stop a friend being robbed at a bus stop. He was rushed to hospital with the kitchen knife still stuck in his forehead after the attack in Walworth, South London.

An X-ray of an four foot long pine snake who swallowed a couple of light bulbs is on display during the grand opening of Ripley's Believe It Or Not Odditorium Thursday, June 21, 2007 in New York's Times Square.