"The operation took place with success," said the agency.
"I am going to hospital to undergo an operation. There is nothing to worry about," Khamenei was reported as saying.
"This does not mean that people are not praying ... but it is a normal operation."
Aged 75, Khamenei has led Iran for 25 years, replacing Ruhollah Khomeini, who founded the Islamic Republic of Iran.
COMMENTS (1)
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ