This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Personality Disorders, Subject name: Psychiatry
Which personality disorder of DSM-IV is not classified as PD and is placed with schizophrenia in ICD 10? 
Select and explain. 
A. Schizoid, B. Paranoid, C. Narcissistic, D. Schizotypal
D: Schizotypal
Answer: D: Schizotypal 
Explanation: In ICD-10, schizotypal PD is placed with schizophrenia spectrum and not in personality disorder. As it is a type of cluster A PD which are considered to be on a schizophrenia continuum.