[Arthropathic psoriasis].
D015535:Arthritis, Psoriatic; D006801:Humans; D011565:Psoriasis / Q000150:complications*; D013166:Spondylitis; D013167:Spondylitis, Ankylosing / Q000150:complications*
PSORIASIS/complications; SPONDYLITIS, ANKYLOSING/complications