| Other collagen diseases, such as progressive systemic sclerosis and systemic lupus erythematosus, are associated with increased incidence of pneumothorax. |
| Other diseases related to RA that may cause pulmonary fibrosis are systemic lupus erythematosus, polymyositis and dermatomyositis, Sjogren's syndrome, scleroderma and others. |
| Under the topic of auto-immunity, most programs included only two specific diseases, systemic lupus erythematosus and rheumatoid arthritis. |
| In patients with the malar rash of systemic lupus erythematosus, papules may be present, but pustules are rare. |
| Another common autoimmune rheumatic disease in which the skin is often injured is lupus erythematosus. |
| The differential diagnosis in this case includes secondary syphilis, lepromatous leprosy, cutaneous tuberculosis, and discoid lupus erythematosus. |
