This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal Radiology, Subject name: Radiology
Increased Heel Pad Thickness is associated with? 
Select and explain. 
A. Rickets, B. Pagets disease, C. Acromegaly, D. Fibrous Dysplasia
C: Acromegaly
Answer: C: Acromegaly 
Explanation: Feature of Acromegaly 1. Spade like Phalanges 2. Increased Heel Pad Thickness . 3. Hyperpneumatization of para-nasal sinuses