This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia and other psychotic disorders, Subject name: Psychiatry
Monosymptomatic hypochondriasis means 
Select and explain. 
A. paranoid type delusional disorder, B. Declerambault syndrome, C. somatic type delusional disorder, D. othello syndrome
C: somatic type delusional disorder
Answer: C: somatic type delusional disorder 
Explanation: * Somatic o ALSO KNOWN AS * Monosymptomatic hypochondriacal psychosis * Delusional parasitosis * Olfactory reference syndrome o DIFFERENTIAL DIAGNOSIS * HYPOCHONDRIASIS====NOT REASSURED as in hypochondriasis Ref.Kaplon and sadock, synopsis of psychiatry,11 th edition, pg no.333