| Dactylitis | |
|---|---|
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| Syphilitic dactylitis |
Dactylitis orsausage digit is inflammation of an entire digit (a finger or toe),[1] and can be painful.
The worddactyl comes from theGreek worddaktylos 'finger'. As a medical term, it refers to both the fingers and the toes.
Dactylitis can occur inseronegative arthropathies, such aspsoriatic arthritis andankylosing spondylitis, and insickle-cell disease as result of a vasoocclusive crisis with bone infarcts, and in infectious conditions includingtuberculosis,syphilis, andleprosy. Inreactive arthritis, sausage fingers occur due to synovitis.[2] Dactylitis may also be seen withsarcoidosis.
In sickle-cell disease it typically occurs after 6 months of age (as in infants protectivefetal hemoglobin, HbF, is replaced with adult hemoglobin and the disease manifests) and is often the first clinical presentation of the disorder.[3]
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