SBA Derm Conditions
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1. A 16-year-old presents with inflamed, pustular lesions on their face and back. What is the most likely diagnosis?
Explanation: Acne vulgaris is common in adolescents and typically presents with comedones, papules, and pustules on the face and upper body.
2. A 45-year-old man presents with silvery, scaly plaques on the extensor surfaces of his elbows and knees. What is the diagnosis?
Explanation: Psoriasis is characterised by silvery, scaly plaques on extensor surfaces and may have nail changes.
3. A 6-year-old boy presents with honey-coloured crusted lesions around his mouth. What is the most likely diagnosis?
Explanation: Impetigo presents with honey-coloured crusted lesions and is usually caused by Staphylococcus aureus or Streptococcus pyogenes.
4. A 30-year-old woman presents with erythematous facial flushing and visible telangiectasia. What is the likely diagnosis?
Explanation: Rosacea is characterised by flushing, erythema, and telangiectasia, often triggered by sunlight or heat.
5. A 70-year-old man presents with a pearly, rolled-edge lesion on the nose. What is the likely diagnosis?
Explanation: Basal cell carcinoma often presents as a pearly nodule with rolled edges and central ulceration.
6. A 25-year-old presents with itchy, red, vesicular lesions on their hands after exposure to nickel jewellery. What is the most likely diagnosis?
Explanation: Contact dermatitis is triggered by allergens like nickel and presents with vesicular, erythematous lesions.
7. A 50-year-old man with a history of chronic sun exposure presents with a rough, scaly lesion on his forehead. What is the likely diagnosis?
Explanation: Actinic keratosis is a premalignant lesion caused by chronic sun exposure.
8. A 5-year-old presents with intensely itchy lesions between the fingers and wrists. What is the most likely diagnosis?
Explanation: Scabies causes pruritic lesions between the fingers and wrists due to mites burrowing.
9. A patient presents with a painful, red swelling around the nail. What is the likely diagnosis?
Explanation: Paronychia presents as a painful, red swelling around the nail, often caused by bacterial infection.
10. A patient presents with an erythematous, swollen, and tender lower leg. What is the most likely diagnosis?
Explanation: Cellulitis is an infection of the dermis and subcutaneous tissue, presenting with erythema, swelling, and tenderness.
Total Score: 0/10