These clinical learning notes cover all 7 topics comprehensively, drawn directly from Fitzpatrick's Dermatology, Harrison's Principles of Internal Medicine 22E, Dermatology 5e, and Robbins & Cotran Pathology. Here is a summary of what each section covers:
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Papulosquamous Diseases - Psoriasis (pathogenesis via IL-23/IL-17 axis, all clinical variants, comorbidities, treatment ladder including biologics), Lichen Planus (6 P's, Wickham's striae, HCV association, histology), Pityriasis Rosea
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Atopic Dermatitis - Filaggrin/barrier dysfunction + Th2 immune dysregulation, Hanifin-Rajka criteria, age-specific patterns, complications (eczema herpeticum, S. aureus, ocular), full treatment ladder including dupilumab and JAK inhibitors
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Seborrheic Dermatitis - Malassezia pathogenesis, distribution, cradle cap, severe HIV association (up to 83% prevalence), treatment
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Cutaneous Drug Eruptions - Complete table of all major patterns with timing, key drugs, features; DRESS detail (SCORTEN, HLA associations), SJS/TEN spectrum, AGEP, drug-induced lupus, linear IgA disease
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Disorders of Pigmentation - Melasma, PIH, acanthosis nigricans (benign vs. malignant), vitiligo (segmental vs. non-segmental, JAK inhibitor therapy), albinism, pityriasis alba
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Acne Vulgaris - 4-factor pathogenesis, lesion types, grading, step-wise treatment (retinoids → antibiotics+BPO → oral antibiotics/hormonal → isotretinoin/iPLEDGE), acne vs. rosacea comparison
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Cutaneous Manifestations of Internal Disease - Paraneoplastic syndromes (acanthosis nigricans, Leser-Trélat, NME/glucagonoma, Bazex syndrome, hypertrichosis lanuginosa acquisita, paraneoplastic pemphigus), dermatitis herpetiformis, bullous pemphigoid systemic associations
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Immune Bullous Diseases - Full coverage of PV, PF, BP, MMP, DH, EBA, LABD, paraneoplastic pemphigus with target antigens, DIF patterns, salt-split skin interpretation, and a comprehensive comparison table