4.Check for the symptoms of lupus: Butterfly-shaped rash (malar rash) on the face that covers the cheeks and bridge of the nose, skin lesions that appear or worsen with sun exposure, mouth sores, and hair loss (alopecia). This disorder can affect many organs in the body including the skin. Skin pathology in this condition can arise as a separate condition or accompanied by other organs in the body. The isolated skin disorder is called discoid lupus erythematosus while that involves other organs is called systemic lupus erythematosus. They differ by the fact that systemic lupus erythematosus has a deposition of immunoglobulin G in the basement membrane of the skin of both diseased and healthy skin, while discoid lupus erythematosus is manifested by deposition of IgG in the affected area only.
5.Learn to recognize the symptoms of idiopathic skin diseases (skin diseases that are idiopathic or their etiology is not known).
- Psoriasis. This disorder is as was mentioned idiopathic in which its cause is unknown. The disease is common and affects approximately 1% of the total population. It has a chronic course with remissions and exacerbations. Often the nails of affected persons are involved. The disorder is manifested by the excessive formation of keratinocytes in the basal layer of the skin. This leads in turn to more formation of keratin and its deposition in the epidermis. This disorder is sometimes linked to joint diseases that are similar to rheumatoid arthritis.
- Lichen planus. This disorder has a chronic course in which women are more affected than men. This disorder is manifested by a decrease in cell proliferation. This leads in turn to more keratin formation with hyperkeratosis.
- Erythema multiforme. This disorder is a common disease and can affect people with any age. It is associated with many disorders such as cancer and autoimmune diseases.