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: Medicine
The most likely diagnosis for a lady with central obesity showing purple striae on abdominal skin is: 
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: Answer is B (Cushing's Syndrome): Central Obesity (Centripetal francal obesity) and the presence of violacious (purple) cutaneous striae suggest a diagnosis of Cushing's Syndrome.