What is a pencil-in-cup deformity?

Share on Pinterest ‘Pencil-in-cup deformity is a rare bone disorder. An X-ray of this deformity shows the affected bone with the end of the bone eroded into a sharpened pencil shape. This “pencil” has worn away the surface of an adjoining bone into a cup shape. ‘

What is psoriatic arthritis mutilans?

Also known as the pencil-in-cup deformity, arthritis mutilans is the most severe form of psoriatic arthritis. Arthritis mutilans occurs in 5 percent of people with psoriatic arthritis and affects your fingers and toes. If you have this condition, your fingers and toes will become shorter due to bone degeneration.

What do sausage fingers indicate?

Dactylitis refers to swelling in the fingers and toes that can cause them to take on a sausage-like appearance. Dactylitis can be a symptom of several different medical conditions, including some forms of arthritis, tuberculosis (TB), and syphilis.

What autoimmune disease causes sausage fingers?

Dactylitis is a symptom that is most often seen in patients who have inflammatory Psoriatic or Rheumatoid arthritis, which are auto-immune diseases. It is also known as “Sausage Finger” or “Sausage Toe” because of the localized, painful swelling that causes digits to look like sausages.

What type of arthritis causes sausage fingers?

You could have a type of inflammation called dactylitis, or sausage digits. It can damage your fingers if you don’t get the right treatment. Dactylitis is common in certain types of inflammatory arthritis, including psoriatic arthritis and ankylosing spondylitis. It’s considered a hallmark of psoriatic arthritis.

Does methotrexate treat dactylitis?

Dactylitis has been treated with NSAIDs, DMARDs, and recently biologics. Sulfasalazine, methotrexate, cyclosporine, and leflunomide have been used as DMARDs so far.

What is sausage finger syndrome?

What is dactylitis or ‘sausage fingers’? Dactylitis is severe inflammation of the finger and toe tendons and joints. The puffy nature of the inflammation can make these digits look like sausages. Severe dactylitis can make your fingers so rigid that you can no longer make a fist.

What autoimmune disease causes swollen hands?

Rheumatoid arthritis: This is the most common type of autoimmune arthritis, which usually causes swelling and pain in the hands, feet, and wrists.

What is boutonniere and swan neck deformity?

Swan neck deformity and Boutonniere deformity are both conditions that affect the joints in the fingers. These deformities cause the finger to lose mobility and flexibility and take on an unnatural shape. These conditions can be caused by injuries to the hand as well as rheumatoid arthritis.

What is the difference between swan neck deformity and boutonniere deformity?

Etiology. Unlike a boutonnière deformity, which is the result of an injury to the central slip and triangular ligament, a posttraumatic swan neck deformity can result from a variety of initial injuries.

What is pencil-in-Cup deformity?

Pencil-in-cup deformity is the description given to one of the appearances on plain radiograph in psoriatic arthritis. The appearance results from periarticular erosions and bone resorption giving the appearance of a pencil in a cup.

What is pencil-in-Cup deformity in psoriatic arthritis?

What causes the pencil-like appearance in my foot?

The appearance results from periarticular erosions and bone resorption giving the appearance of a pencil in a cup. Although classically described with psoriatic arthritis, this appearance can also be seen in:

What is a pencil-in-Cup tear?

The term “pencil-in-cup” is used to describe what the affected bone looks like on an X-ray. The appearance is similar to that of a bone having worn away and now resembling a sharpened pencil that is facing a bone that also has worn away and is now in the shape of a cup.