Patients with psoriatic arthritis will find this model, featuring a removable hand that comes apart to show the deterioration of the joints, a tremendous asset in understanding the progression of their disease and the importance of compliance with drug therapy.

• This model illustrates both the internal and external consequences of psoriatic arthritis and can be removed from the base for a closer inspection.

• Tabbed pullout cards feature illustrations and additional information on various disease states and courses of treatment.