Medicine in a page

Question 1

Acne vulgaris

Stages

Treatment

Answer 1

Stages

1. Type 1: Comedonal, with no scarring
2. Type 2: Papular, mild/minimal scarring
3. Type 3: Pustualr, moderate scarring
4. Type 4: Nodulocystic, severe scarring

Treatment

• Topical retinoids, benzoyl peroxide
• anti-androgens (Spironolacton, anti-contraceptives for women)
• Oral antibiotics (tetracycline)

Question 2

Pemphicus vulgaris

Etiology

Epidemiology

Treatment

Mortality rate

Answer 2

1. IgG antibody against desmoglein
2. loss of cell-cell adhesion in epidermis
3. HLA-DR4 + middle aged patient
4. Easily ruptured, painful bullae
5. Starts in oral cavity and extends to
6. skin, scalp, face, and chest
7. Nikolsky sign: top layer of bullae easily sloughs off.
8. Treatment: Corticosteroids & wound care.

Question 3

Second degree burns

1. Definition
2. Signs
3. Infection?
4. “Rule of 9’s”
5. Treatment
6. post-treatment care
7. prognosis

Answer 3

1. Partial thickness burns
2. Moistened blisters; mottled gray or erythematous; extremely painful
3. Wound culture >10⁵ organisms
4. head/neck (9), arm (2x9), leg (4x9), trunk (4x9)
5. Immediate management, fluide maintenance
6. risk of sunburn for 1 year.
7. 3-4 weeks to heal

Question 4

tinea corporis

1. Etiology
2. Keratinized structures
3. Symptoms
4. Differential
5. Predisposition
6. Treatment: shampo
7. Treatment: cream

Answer 4

1. Fungal infections of keratinized structures
2. Hair, nails, stratum corneum
3. Torso/extremitis, asymptomatic or pruritic.
4. Psoriasis, Seborreic dermatitis, pityrieasis rosea
5. Immunosuppressed states, diabetes, antibiotics use, steroid use.
6. Antifungal shampo (selenium sulfide shampoo)
7. Low potency steroids for pruritus

Question 5

Scabies

1. Etiology
2. Epidemiology
3. Differential

Answer 5

1. Sarcoptes scabiei mite, lay eggs in stratum corneum
2. Poor man, poor hygiene areas, epidemic tendency
3. Seborreic dermatitt, atopic dermatitt, lichen simplex