Bollywood actor Imran Khan who had two cysts, one in his head and the other in his arm, has been operated for a sebaceous gland problem, reports Mumbai Mirror.The actor who's shooting for Vishal Bhardwaj's Matru Ki Bijli Ka Mandola underwent the surgery a few days back, according to the tabloid."Imran has been operated for a sebaceous gland problem. He was in acute discomfort especially with the cyst in his head. It had become very difficult for him to sleep straight and even comb his hair. It had to be removed," a close friend of the actor told the tabloid.Imran was in the hospital for nearly 24 hours, reportedly. Ranbir Kapoor also got a cyst removed in February this year.