Delusional Disorders

Question 1

Schizophrenia Diagnostic criteria

Answer 1

1. Very clear 1st rank symptom
2. Two or more suggestive 1st rank symptoms
3. OR at least 2 of the 2nd rank symptoms

for at least 1 month present most days
More general symptoms may precede this by up to 6 months

Accompanied by significant and consistent personality change

Question 2

Schizophrenia Symptoms

Answer 2

1st Rank

1. Thought echo, broadcast, insertion
2. Delusons of control, passivity phenomena, made movements
3. 3rd person auditory hallucinations; running comentary or discussion of the patient
4. Persistent delusions.

2nd Rank

1. Persistent hallucinations accompanied by fleeting delusions or persistent overvalued ideas or present every day for months
2. Catatonia
3. Negative symptoms
4. Formal thought disorders

Question 3

Subtypes of Schizophrenia

Answer 3

Paranoid
Catatonic
Hebephrenic 
Undifferentiated 
Post Schizophrenic Depression.

Question 4

Schizotypal Disorder

Answer 4

No 1st rank symptoms but periods of second rank in a patient with

• consistent eccentric behaviour
• Social withdrawal
• paranoid ideas

Question 5

Persistent delusional disorder

Answer 5

Single delusion or closely interrelated set of delusions held for >3months in absence of 1st rank symptoms