This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Lady with central obesity & abd. Skin showing purple striae- 
Select and explain. 
A. Conn's syndrome, B. Cushing's syndrome, C. Addison's disease, D. Hypothyroidism
B: Cushing's syndrome
Answer: B: Cushing's syndrome 
Explanation: centripetal obesity, and broad violaceous cutaneous striae in abdomen classical presentation of Cushing's syndrome ( Harrison 17 pg 2255)