title: Pityriasis rubra pilaris. Prolonged treatment with methotrexate.
mesh_terms: D000328:Adult; D000367:Age Factors; D001706:Biopsy; D006801:Humans; D008103:Liver Cirrhosis / Q000139:chemically induced; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D008875:Middle Aged; D010787:Photosensitivity Disorders / Q000139:chemically induced; D010916:Pityriasis Rubra Pilaris / Q000175:diagnosis / Q000188:drug therapy* / Q000235:genetics; D011379:Prognosis; D012737:Sex Factors; D013546:Sweating; D014801:Vitamin A / Q000627:therapeutic use
chemical_list: D014801:Vitamin A; D008727:Methotrexate