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: Pathology
Garre's chronic non suppurative sclerosing osteomyelitis
is characterized clinically by 
Select and explain. 
A. EndosteaL bone formation, B. Periosteal bone formation, C. Resorption of medullary bone, D. Resorption of cortical bone
B: Periosteal bone formation
Answer: B: Periosteal bone formation 
Explanation: None