Tumor in baby’s brain contained tiny foot

updated 1:18 p.m. ET Dec. 18, 2008

COLORADO SPRINGS, Colo. - A pediatric neurosurgeon says a tumor he removed from the brain of a Colorado Springs infant contained a tiny foot and other partially formed body parts.

Dr. Paul Grabb said he operated on Sam Esquibel at Memorial Hospital for Children after an MRI showed a microscopic tumor on the newborn’s brain. Sam was 3 days old and otherwise healthy.

Grabb said that while removing the growth, he discovered it contained a nearly perfect foot and the formation of another foot, a hand and a thigh.

“It looked like the breech delivery of a baby, coming out of the brain,” Grabb said. “To find a perfectly formed structure (like this) is extremely unique, unusual, borderline unheard of.”

Grabb isn’t sure what caused the growth but says it may have been a type of congenital brain tumor. However, such tumors usually are less complex than a foot or hand, he said.

Christian Murdock / The Colorado Springs Gazette Registered orthopedic physical therapist Jeanine Noll massages the scar on 2-month-old Sam Esquibel.

The growth may also have been a case of “fetus in fetu” — in which a fetal twin begins to form within another — but such cases very rarely occur in the brain, Grabb said.

Sam’s parents, Tiffnie and Manuel Esquibel, said their son is at home now but faces monthly blood tests to check for signs of cancer or regrowth, along with physical therapy to improve the use of his neck. But they say he has mostly recovered from the Oct. 3 surgery.

“You’d never know if he didn’t have a scar there,” Tiffnie Esquibel said.

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