Osteomyelitis - Symptoms & Causes

Explore the comprehensive medical lecture on osteomyelitis, covering its symptoms and causes. Delve into the definition of osteomyelitis, including pyogenic and non-pyogenic infections, with a focus on common causative organisms like Staphylococcus aureus and Mycobacterium tuberculosis. Learn about various routes of infection entry, including hematogenous spread, direct extension from soft tissue infections, and direct implantation. Examine the pathophysiology of osteomyelitis, including blood supply in long bones, bacterial settling mechanisms, and the development of suppurative inflammation. Understand the microscopic structure of bones, including osteons and Haversian canals. Discover the formation of subperiosteal abscesses, sequestrum, and involucrum. Investigate long-term complications such as cloaca and sinus formation. Gain insights into the differences in osteomyelitis presentation between children and adults, and explore specific conditions like Pott's disease and diabetic foot ulcers.