system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Looser's zone is present in September 2010 March 2013 (a, f)
assistant
The correct answer is  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