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
Type of schizophrenia with mental retardation - 
Select and explain. 
A. Von-Gogh syndrome, B. Paranoid schizophrenia, C. Catatonic schizophrenia, D. Pfropf schizophrenia
D: Pfropf schizophrenia
Answer: D: Pfropf schizophrenia 
Explanation: Schizophrenia when occurs in the presence of mental retardation is called pfropf syndrome.
Von-Gogh syndrome is dramatic self-mutilation in schizophrenia.