Sam has a strong and unwavering conviction that the Queen of England is in love with him. He does not have any other symptoms. His most likely diagnosis would be:

Question

Quizplus · Accepted Answer

Sam's symptoms are consistent with a delusional disorder where he has a fixed false belief about the Queen of England being in love with him, without any other symptoms. This belief is not related to his mood or psychotic symptoms, thus ruling out bipolar disorder with delusions or schizophreniform disorder. Schizoaffective disorder is also unlikely as it requires the presence of both psychotic and mood symptoms, which are not evident in this case.

Sam Has a Strong and Unwavering Conviction That the Queen