Keeping Up With the Kardashians' beloved patriarch Bruce Jenner's hearing loss led to a brain tumor scare for the Olympic legend.

That's what viewers found out on Sunday night's episode of the family's E! show, when the former decathlete went to the doctor after driving wife Kris Jenner and the kids crazy by blasting the TV and not being able to hear their conversations. When Bruce checked out his hearing loss, however, he got the shock of his life -- an ear growth was discovered and he had to undergo an