Diagnosis: Mucous cyst. Mucous cysts are pseudocysts (cystic structures lacking a true lining) that usually appear on the middle or index finger of the dominant hand; toe involvement is uncommon.

Heberden’s nodes are bony growths that occur on finger joints. They typically only develop in people who have severe osteoarthritis. These growths can cause pain, stiffness, and discomfort. Here ...

Digital mucous cysts (DMCs) are relatively common benign cysts of the digits, occasionally involving the nail matrix and nail fold. First described as “synovial lesions of the skin” by Markin ...

Mucous cysts are small, fluid-filled sacs that can develop on fingers and toes or in the mouth. They are not harmful and usually clear up on their own within a couple of weeks.

"The presence of Heberden's nodes in a physical examination is associated with a distinct pattern of worsening of osteoarthritis-related structural damage in the knee joint," said leading author ...