CT Degenerative & Inflammatory Diseases - Video Lesson

Hey everybody, welcome back. This lesson is about some degenerative and inflammatory diseases of the extremities that we observe in CT imaging. We'll start with a degenerative condition called osteoarthritis. Osteoarthritis can affect any joint in any part of the body, including the joints of the extremities. Osteoarthritis is a degenerative joint disease characterized by progressive loss of articular cartilage, bone remodeling, and osteophyte formation. Osteoarthritis becomes more common and eventually inevitable as a person ages. It's simply the result of normal wear and tear over the course of a person's life. Its imaging appearance is the same as its description. It typically presents as joint space narrowing with bone remodeling and osteophyte formation. That's what we can see in this patient. This is a coronal reformation of the ankle. There are numerous signs of osteoarthritis. The subtalar joint, that's the joint between the talus and the calcaneus, is very