Discover the fascinating world of Musculoskeletal Radiology 🩺🔬🦴 as we delve into the intricacies of Osteoarthritis, Rheumatoid Arthritis, Psoriatic Arthritis, and Gouty Arthritis. Osteoarthritis often manifests as degenerative “wear-and-tear” changes with cartilage loss, subchondral sclerosis, and osteophytes, most frequently affecting weight-bearing joints 🦵. Rheumatoid Arthritis stands out with its autoimmune-driven synovial inflammation, leading to marginal erosions, periarticular osteopenia, and characteristic symmetrical joint involvement 🤒. Psoriatic Arthritis, linked to psoriasis, can display unique “pencil-in-cup” deformities and periostitis, especially around the distal interphalangeal joints ✋. Gouty Arthritis arises from monosodium urate crystal deposition, culminating in acute flare-ups typically starting at the first metatarsophalangeal joint (podagra), with imaging often revealing classic “punched-out” erosions and “overhanging edges” 🦶. Recognizing these hallmark radiographic findings is crucial for medical professionals, particularly MBBS students, doctors, USMLE and NEET PG aspirants, aiming to master diagnostic strategies and deliver comprehensive patient care 🏥📚.
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