APatient has history of A 2 years back, at the same sight he developed pain and swelling. Xray shows the following features . What will be the diagnosis?: (A) Osteogenic sarcoma, (B) Ewing's sarcoma, (C) Chronic osteomyelitis, (D) Multiple myeloma
Answer is C. Garre sclerosing osteomyelitis, or chronic nonsuppurative sclerosing osteomyelitis, is a form of chronic osteomyelitis. Mild inflammation and infection lead to subperiosteal bone deposition. The disease is frequently asymptomatic. The characteristic radiographic appearance is an area of periosteal proliferation surrounded by successive layers of condensed coical bone (arrows), described as an onion skin appearance. REF : MAHESHWARI BOOK 9TH ED