A patient walked into the ER complaining of hip pain after a nasty fall. They walked out with a shocking diagnosis: their body was filled with calcified parasites.

Emergency physician Dr. Sam Ghali shared the X-ray on X (formerly Twitter), calling it “one of the most insane” he’d ever seen.

“The film is littered with these linear densities,” he said in his video. “They’re innumerable. You can’t even begin to count them all.”

The Culprit: Pork Tapeworm Larvae

Those mysterious shapes? Larval cysts of Taenia solium — better known as the pork tapeworm. Here’s how it works: