Doctors suspect three factors, each unremarkable on its own, contributed to his fate.
Over the course of six months, black lesions and deep ulcers formed over the body of a 78-year-old man, puzzling doctors. His face was covered in dark scabs. A lesion had destroyed his left eyelid, and one had created a hole between the roof of his mouth and his nasal cavity.
It wasn’t until he was transferred to a Yale School of Medicine hospital for higher-level care that doctors finally identified the cause of his ghastly affliction: a common free-living amoeba that can be found almost anywhere, including tap water. But by then, it was too late. The man’s case is reported in the journal Emerging Infectious Diseases. (A graphic image of his case is here, but be warned.)
Unicellular terror
The amoeba the doctors found was Acanthamoeba, which is known to cause such horrifying infections. But it’s rare, and when it explodes into a full-body, often deadly malady, it tends to be in patients who have compromised immune systems or are otherwise debilitated. As such, the opportunistic pathogen is most often found in people with HIV/AIDS, cancers, and diabetes, as well as those on powerful immunosuppressive drugs, like transplant patients. The man didn’t fit into any of these categories.
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