Detection of subclinical ultrasound enthesopathy and nail disease in patients at risk of psoriatic arthritis

Detection of subclinical US enthesopathy is not so rare in both groups, unlike PD signal, but with no statistical difference. US are a good tool to evaluate the different components of psoriatic nails (loss of trilaminar appearance, nail thickening and inflammation of the skin thickness) which are significantly associated with nail psoriasis.