Inappropriate sexual behaviour due to frontal dementia.

To cite: Evrensel A, Tarhan N, Ceylan ME, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/ bcr-2014-207864 DESCRIPTION Three years ago, a 55-year-old man, a teacher, was involuntarily brought to our outpatient psychiatry clinic by his wife. He had agreed to be examined because of his wife’s divorce request. He had no symptoms and no insight about his condition during the examination. According to his wife, he had started to spend more time on the computer using social media (Facebook, etc) to chat with women whom he did not know before and was staying up all night. He had an increased demand for sexual intercourse from his wife and had started to watch pornography. Their frequency of sexual intercourse was once or twice a week previously. He masturbated frequently indifferent to whether his wife or anyone else saw him. His wife