For three years a 31-year-old woman has been complaining of pain and swelling of her radiocarpal and metacarpophalangeal articulations, their reduced mobility in the morning, which persisted up to 1,5 hours. Two weeks ago she developed pain, swelling, and reddening of her knee joints, her body temperature increased up to 37,5°C. The treatment was belated. Examination of the internal organs revealed no pathologic alterations. Diagnosis of rheumatoid arthritis was made. What alterations are the most likely to be visible on the arthrogram?

Answer options

1. Joint space narrowing, usuration
2. Cysts in the subchondral bone
3. Epiphyseal osteolysis
4. Numerous marginal osteophytes
5. Joint space narrowing, subchondral osteosclerosis

Explanation

For three years a 31-year-old woman has been complaining of pain and swelling of her radiocarpal and metacarpophalangeal articulations and their reduced mobility in the morning, which persisted up to 1.5 hours Two weeks ago she developed pain, swelling, and reddening of her knee joints, her body temperature increased up to 375°C. “The treatment was untimely. Examination of the internal organs revealed no pathologic alterations. Diagnosis of rheumatoid arthritis was made. What changes are most likely to be visible on the arthrogram?An arthrogram is an X-ray image or picture of the inside of a joint (e.g., shoulder, knee, wrist, ankle) after a contrast medium (sometimes referred to as a contrast agent or “dye”) is injected into the joint.