Watch this beautifully disgusting liver fluke parasite explore mans innards

Enlarge / These are the only worms we'll welcome (and if you want 'em flat, you can smash 'em). If you want to see a large image of the flatworm in this story, however, here you go.Photo OP / Getty Images

Doctors in California found a throng of flatworm parasites overrunning a mans innards—and they caught one of the little beasts on a horrifying video.

The case began innocently enough: a 40-year-old man arrived at an emergency room complaining of fatigue that had progressively gotten worse over a three-month period.

Doctors ran blood tests that determined the man was anemic. They also found that he had high levels of white blood cells called eosinophils, which usually indicate an infection or some other type of disease. Last, they noted elevated alkaline phosphatase levels, which can be a sign of liver trouble.

When the doctors took abdominal scans, they noted anomalies in the mans bile ducts—the bodily piping that moves bile around and connects the liver, gallbladder, pancreas, and small intestine.

Next in their investigation, they decided to perform an endoscopic retrograde cholangiopancreatography (ERCP), which is a diagnostic procedure that probes and visualizes problems in the ducts around the small intestines, gallbladder, and pancreas. In the procedure, doctors thread a long, flexible tube with a light source and camera down a patients throat, through the stomach, and into the small intestines. Through the tube, doctors inject dye to highlight the ducts on X-rays.

With the camera on, doctors immediately found the source of the problem: Large flatworms were seen spilling out of the bile duct into the small intestine. They caught one on video and reported it this week in the New England Journal of Medicine.

Images in Clinical Medicine: Liver Fluke

— NEJM (@NEJM) November 7, 2019

The doctors extracted some of the worms and identified them as the common liver fluke Fasciola hepatica. These are—as the name suggests—common flatworm parasites that typically infect domestic and wild ruminants, often sheep. The worms release eggs into the animals feces, which then hatch in freshwater environments and infect snails. After developing in their snail hosts for a while, free-swimming parasites breaRead More – Source