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.
Tumor — nature?
Uncontrolled tissue mass, benign or malignant.
Acute dermatoses — features?
Rapid onset, erythema, edema, vesiculation.
Urticaria — cause?
Mast cell degranulation releasing histamine.
Erythema multiforme — presentation?
Targetoid lesions, triggered by infections or drugs.
Acute eczema — triggers?
Allergens, drugs, sun exposure.
Chronic dermatoses — features?
Persistent inflammation, hyperplasia, hyperkeratosis.
Psoriasis — key pathology?
Epidermal hyperplasia, parakeratosis.
Lichen planus — appearance?
Pruritic, purple, polygonal papules with Wickham’s striae.
Impetigo — cause?
Contagious bacterial skin infection.
Tinea capitis — affected area?
Scalp, hair follicles, causing alopecia.
Teste tes connaissances avec un QCM de 8 questions sur Dermatology: Skin Disease Fundamentals.
1. What does the term 'Chronic Inflammatory Dermatoses' refer to?
2. Which infectious agent is most commonly associated with triggering erythema multiforme?
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