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: Radiology
X-ray features of hypoparathyroidism are the following except – 
Select and explain. 
A. Osteosclerosis, B. Calvarial thickening, C. Subperiosteol resorption, D. Subcutaneous calcification
C: Subperiosteol resorption
Answer: C: Subperiosteol resorption 
Explanation: Subperiosteal resorption is seen in hyperparathyroidism (not hypoparathyroidism).
Osteosclerosis, calvarial thickening, and subcutaneous calcification may occur in hypoparathyroidism.