A 55 years old gentleman with long history of chronic plague psoriasis, had the following hand appearances.
Below are five pictures I downloaded from the internet, but they look quite different:





Here is a picture of arthritis multilans:

Acrodermatitis continua of Hallopeau is a chronic skin disorder characterized by recurrent sterile, pustular eruptions of the digits with marked involvement of the nail beds. The intermittent pustulations may lead to atrophy, onichodystrophy and even osteolysis.
More links:
www.vgrd.org
Dermatology:Case report (PDF)
Dermatology Online Journal
