Calcium pyrophosphate deposition (CPPD) disease, also known as "pseudogout," is a sudden-onset and painful form of arthritis. This condition occurs when calcium pyrophosphate crystals accumulate in the joint and surrounding tissues, leading to symptoms similar to gout. The disease can result in persistent arthritis, often misdiagnosed as osteoarthritis, rheumatoid arthritis, or gout. 🎥 Here’s an ultrasound example of CPPD at the femoral trochlear. Ultrasound can detect characteristic features s