This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Medicine
All of the following syndromes are seen with obesity except: 
Select and explain. 
A. Prader - Willi syndrome, B. Cohen syndrome, C. Laurence Moon - Biedl syndrome, D. Carcinoid syndrome
D: Carcinoid syndrome
Answer: D: Carcinoid syndrome 
Explanation: Cohen syndrome - Cohen syndrome is Paternal inheritance always associated with obesity Carcinoid syndrome - Excess of 5 HT derivatives : Serotonin increase leads to secretory diarrhea & will Result in weight loss Prader willi syndrome - caused by deletion of chromosome 15 Sho stature, obesity, inappropriate laugh so called as happy puppets and intellectual disability.