Lupus, in its cutaneous form, is a chronic disease of unknown etiology which causes skin lesions on the face, neck and upper extremities. In its systemic form, lupus is a chronic inflammatory disease of the connective tissue, of unknown etiology which affects the skin, joints, kidneys, nervous system and mucous membranes. A characteristic butterfly rash may be present across the cheeks and the bridge of the nose.
Taxonomy Code: YF-300.480
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