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Rheumatoid psoriasis


Rheumatoid psoriasis, also called psoriatic arthritis, is a rare disease, which affects both the skin and joints. Rheumatoid psoriasis is part of the category of chronic inflammatory rheumatic diseases. It is characterized by an inflammatory disease of multiple locations associated with the presence of psoriatic lesions in the form of red patches covered with whitish scales. In psoriasis arthritis, joint damage often involves entheses, tendons found in the bones, as well as joints. It affects both men and women, typically between the ages of 30 and 55. In most cases, psoriatic lesions are present before the onset of joint damage.


The symptoms of psoriasis arthritis are:
  • psoriasis skin lesions, most typically red patches covered with a whitish layer on the elbows, knees or lower back;
  • inflammation of multiple joints, spine, major joints or joints of the fingers or feet, depending on the form of psoriatic arthritis;
  • stiffness of the joints;
  • sometimes, pain;
  • in some forms, there is an evolution towards ankylosis, a progressive joint immobilization with possible deformations.


A physical examination and questioning of the patient will suffice to diagnose psoriasis arthritis. Indeed, the presence of cutaneous psoriasis associated with the onset of joint symptoms strongly orients the diagnosis. Laboratory tests can be added to this investigation, which highlight a biological inflammation. Radiological examinations used to inspect the painful areas to detect any abnormalities including the association of destructive lesions and reconstructive damage is fairly typical.


Treatment of psoriasis arthritis is based on the administration of non-steroidal anti-inflammatories, analgesics, corticosteroids to fight against inflammation and painful symptoms. A rehabilitation treatment by a physiotherapist is an effective remedy. Local corticosteroid injections are also possible. Lastly, some molecules such as methotrexate, sulfasalazine or TNF-alpha show significant effects.