This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cushing Syndrome, Subject name: Medicine
Which is not a feature of Cushing syndrome? 
Select and explain. 
A. Hypercoagulability, B. Eosinopenia, C. Hyperpigmentation of knuckles, D. Leucopenia
D: Leucopenia
Answer: D: Leucopenia 
Explanation: Effects of Cushing syndrome on blood and immune system : Increased infection susceptibility Increased WBC count Eosinopenia Hypercoagulability with increased risk of DVT and PE