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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Specialty: Dermatology, Immunology/Rheumatology
