Dactylitis
Dactylitis literally means inflammation of the digit.
Other names[edit | edit source]
Sausage digit
Etiology[edit | edit source]
The word dactyl comes from the Greek word "daktylos" meaning "finger".
Both fingers and toes[edit | edit source]
The term refers to both the fingers and the toes.
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Associated conditions[edit | edit source]
Dactylitis can occur in the following conditions:
- seronegative arthropathies, including psoriatic arthritis and ankylosing spondylitis,
- sickle-cell disease as result of a vasoocclusive crisis with bone infarcts,
- tuberculosis, syphilis, and leprosy.
- In reactive arthritis, sausage fingers occur due to synovitis.
- Dactylitis may also be seen with sarcoidosis.
Signs and symptoms[edit | edit source]
Signs and symptoms include stiff, painful joints with redness, heat, and swelling in the surrounding tissues. When the hands and feet are affected, swelling and redness may result in a "sausage-like" appearance of the fingers or toes (dactylitis)
Diagnosis[edit | edit source]
A combination of blood tests, X-rays, and in some cases, MRI
Treatment[edit | edit source]
Treatment depends on the underlying cause
Prevention[edit | edit source]
Prevention of the underlying cause
Caveat[edit | edit source]
The presence of dactylitis eliminates rheumatoid arthritis from the differential diagnosis.
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Contributors: Prab R. Tumpati, MD
