Optional medical device diagnostics – depending on the results of the history, physical examination, laboratory diagnostics, and obligatory medical device diagnostics – for differential diagnostic clarification.
- Carotid ultrasonography (sonography of the carotids) to determine intima-media thickness and plaque size – for cardiovascular risk stratification.
- X-ray examination of the spine or other symptomatic jointsIndication: suspected psoriasis arthropathica (occurrence of skin lesions with concomitant arthritis (joint inflammation), especially of small joints such as finger and toe joints).
