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
"Hour-glass" shape of the chest and "tri-radiate pelvis" are seen radiologically in - 
Select and explain. 
A. Thyrotoxicosis, B. Myxedema, C. Osteomalacia, D. Hypehyroidism
C: Osteomalacia
Answer: C: Osteomalacia 
Explanation: Answer- C. Osteomalacia Acetabuli protrusioLooser's zone (pseudofracture)Decreased bone densityTriadiate pelvis (females)