Please provide your email address to receive an email when new articles are posted on . A previously healthy 11-year-old girl presented to the orthopedic clinic with a 6-month history of “popping” ...

Of all causes, overuse is the most common reason for an infused knee. Fluid buildup is your body’s way of protecting the area from extra damage. You may have minor swelling after a vigorous activity.

Some amount of fluid around your knee is necessary — it helps cushion your bones and keeps the joint limber. But if too much fluid accumulates, it can lead to an effusion (or an abnormal collection of ...

Knee effusion, sometimes called water on the knee, occurs when excess fluid accumulates in or around the knee joint. Common causes include arthritis and injury to knee ligaments and cartilage. A small ...

A previously healthy 13-month-old African American boy was referred to the rheumatology clinic for persistent right knee swelling for 2 months. In the mornings, the child had stiffness of the right ...

A 56-year-old woman presents to the emergency department with a 3-day history of gradually worsening pain and swelling in her left knee. She denies injury, fever, or other complaints. She has never ...