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
"Marble Bone" appearance is seen in: March 2009
assistant
The correct answer is  Ans. B: Osteopetrosis Osteopetrosis/marble bone disease/Albers-Schonberg disease is a disorder characterized by dense but brittle bones (marble bones)