Dactylitis can occur in seronegative arthropathies, such as psoriatic arthritis and ankylosing spondylitis, in sickle-cell disease as result of a vasoocclusive crisis with bone infarcts, and in infectious conditions including tuberculosis and leprosy.
What is the definition of dactylitis and what is its pathophysiology?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the definition of dactylitis and what is its pathophysiology? [/INST] \n Dactylitis can occur in seronegative arthropathies, such as psoriatic arthritis and ankylosing spondylitis, in sickle-cell disease as result of a vasoocclusive crisis with bone infarcts, and in infectious conditions including tuberculosis and leprosy.</s>