This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Infedelity & jealousy involving spouse is the thought content of which disorder: 
Select and explain. 
A. Capgras syndrome, B. Othello syndrome, C. Hypochondrial paranomia, D. Declerambault's syndrome
B: Othello syndrome
Answer: B: Othello syndrome 
Explanation: B i.e. Othello syndromeIt is characterized by nonbizzare delusion of atleast one month duration with overall well preserved personality (except in the area of delusion) and absence of significant hallucinations.