Skin diseases as disorders of the integumentary system: Conditions that affect the skin, which is the body's largest organ, involving structural or functional abnormalities.
Pathological changes in skin diseases: Alterations in skin tissue structure or function caused by disease processes, including inflammation, hyperplasia, hyperkeratosis, or tissue mass formation.
Learning outcomes related to skin diseases: The ability to describe various skin conditions and understand how pathological changes contribute to their development and manifestation.
Skin diseases are classified as disorders of the integumentary system, involving various pathological changes such as inflammation, hyperplasia, or tissue mass formation.
Common skin lesions include macules, papules, pustules, plaques, nodules, and tumors, each with specific characteristics, but their detailed definitions are reserved for other sections.
1. What does the term 'Chronic Inflammatory Dermatoses' refer to?
2. Which infectious agent is most commonly associated with triggering erythema multiforme?
3. When were urticaria and erythema multiforme first recognized as part of the clinical group known as acute inflammatory dermatoses?
Skin diseases — definition?
Disorders affecting the skin's structure or function.
Macule — size?
Less than 1 cm, flat, discolored patch.
Papule — feature?
Small, raised, solid skin lesion under 1 cm.
Pustule — content?
Fluid-filled lesion containing pus.
Plaque — size?
Larger than 1 cm, flat-topped, raised lesion.
Nodule — characteristic?
Solid, firm, larger than 1 cm lump.
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