This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Symptoms and signs in psychiatry and classification, Subject name: Psychiatry
Nihilistic ideas are seen in 
Select and explain. 
A. Simple schizophrenia, B. Paranoid schizophrenia, C. Cotard's syndrome, D. mania
C: Cotard's syndrome
Answer: C: Cotard's syndrome 
Explanation: In the 19th century, the French psychiatrist Jules Cotard described several patients with a syndrome called delire de negation. sometimes referred to as nihilistic delusional disorder or Cotard syndrome. Patients with the syndrome complain of having lost not only possessions, status, and strength but also their hea, blood, and intestines. this is a charecterstic delusion that is present in sever depression Reference: Kaplan & Sadock's Synopsis of Psychiatry, 11th edition, Page 336.