A 58-year-old male patient presents with history of intermittent severe pain and redness of the right first metatarsophalangeal joint and elevated blood levels of serum urate. Which sign may be expected on radiographic examination?

Question

Quizplus · Accepted Answer

The presence of an overhanging edge is a classic radiographic finding in gout. It is caused by deposition of urate crystals in the joint, leading to erosion of the bone and formation of a characteristic spur at the edge of the joint surface. A, B, and C are features seen in other conditions such as psoriatic arthritis (pencil in a cup deformity), erosive osteoarthritis (rat bite erosions), and rheumatoid arthritis (gull wing), respectively.

A 58-Year-Old Male Patient Presents with History of Intermittent Severe