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: Surgery
Looser's zone is present in September 2010 March 2013 (a, f) 
Select and explain. 
A. Multiple myeloma, B. Osteomalacia, C. Pseudoparathyroidism, D. Osteoporosis
B: Osteomalacia
Answer: B: Osteomalacia 
Explanation: Ans. B: Osteomalacia Pseudo-fracture (Looser zone): A lucent band of decreased coical density Perpendicular to bone surface Often multiple, +/- symmetrical +/- callus formation "Pathognomonic" of osteomalacia and seen on compressive (concave) side (eg, prox femur) Also seen in Paget dz on tensile (convex) side