A number of changes can be seen by capillaroscopy in the nailfold capillaries of patients with psoriasis and psoriatic arthritis.


Capillary findings seen on nailfold capillaroscopy in a patient with psoriasis:

(1) tight terminal convolutions

(2) meandering


These findings are not seen in patients with rheumatoid arthritis.


Additional findings that are less specific include:

(1) splinter hemorrhages in the nailbed.

(2) increased tortuosity

(3) widening of the afferent, transitional and efferent limbs


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