(CNN) When Dr. Koji Ebersole laid eyes on the boy whose face was impaled on a 10-inch knife, the neurosurgeon thought, "here we go again."

Eli Gregg, 15, of Bourbon County, Kansas, is recovering from the freak accident after going home from the hospital on Monday. In a rare occurrence, he's the second boy Ebersole has treated recently for a sharp object piercing the head.

JUST WATCHED Boy survives falling onto meat skewer Replay More Videos ... MUST WATCH Boy survives falling onto meat skewer 00:51

The first was 10-year-old Xavier Cunningham. In 2018, he survived a penetrating injury to the head after falling from a treehouse ladder in Missouri and landing on a footlong metal meat skewer. He said he was being attacked by yellowjackets, a type of wasp, before he fell.

"When it happened to Xavier, as soon as we saw the X-ray, my colleague said, 'this is going to go viral,' " said Ebersole, a neurosurgeon at the University of Kansas Health System.

A medical team at the University of Kansas Health System then operated on Xavier and removed the skewer.

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