House is instantly fascinated, and perhaps a bit envious. He spends much of the episode in a "pity-off" with the girl, trading stories of suffering to see who has it worse. However, a new problem emerges: Hannah develops a life-threatening fever and paranoia. Because she can’t feel where it hurts, the team is flying blind. The Diagnosis: A Gruesome Discovery
In one of the show's most infamous and graphic scenes, House rushes her into an OR, grabs a scalpel, and without anesthesia (since she can't feel it anyway), he pulls a out of her intestines. The parasite had been consuming her B12, causing her neurological symptoms. Watch www xrysoi se House M D s03e14
After ruling out thyroid issues and leukemia, House has a classic "epiphany" while stealing Wilson's lunch. He realizes Hannah's symptoms—including a severe Vitamin B12 deficiency—aren't coming from her nerves, but from something eating her from the inside. House is instantly fascinated, and perhaps a bit envious