Dermatology board exam: the most frequently tested topics

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Rank	Topic	Reports
1	Psoriasis	22 of 53
2	Melanoma	20 of 53
3	Syphilis	14 of 53
4	Lupus erythematosus	12 of 53
5	Actinic keratosis & field cancerisation	11 of 53
5	Atopic dermatitis	11 of 53
7	Tinea (dermatophytosis)	10 of 53
7	Leg ulcer & chronic venous insufficiency	10 of 53
9	Basal cell carcinoma	9 of 53
10	Contact dermatitis	8 of 53
10	Lyme borreliosis	8 of 53
10	Rosacea	8 of 53
13	Bullous pemphigoid	7 of 53
13	Herpes zoster (shingles)	7 of 53
13	Insect venom allergy & anaphylaxis	7 of 53
13	Lichen planus	7 of 53
13	Scabies	7 of 53
13	Urticaria	7 of 53
19	Drug eruptions (maculopapular, AGEP, DRESS)	6 of 53
19	Pityriasis rosea	6 of 53
19	Pyoderma gangrenosum	6 of 53
22	Dermatomyositis	5 of 53
22	Erysipelas	5 of 53
22	Mycosis fungoides & Sézary syndrome	5 of 53
22	Neurocutaneous syndromes	5 of 53
22	Paraneoplastic dermatoses	5 of 53
22	Cutaneous squamous cell carcinoma	5 of 53
22	Scarring alopecias	5 of 53
29	Acne fulminans	4 of 53
29	Anal eczema & perianal erythema	4 of 53
29	Anogenital warts	4 of 53
29	Lichen sclerosus	4 of 53
29	Mastocytosis	4 of 53
29	Merkel cell carcinoma	4 of 53
29	Hailey-Hailey disease	4 of 53
29	Onychomycosis	4 of 53
29	Thrombophlebitis & deep vein thrombosis	4 of 53
38	Hidradenitis suppurativa	3 of 53
38	Angioedema	3 of 53
38	Extramammary Paget disease	3 of 53
38	Granuloma annulare	3 of 53
38	Pyogenic granuloma	3 of 53
38	Hand eczema	3 of 53
38	Skin cysts	3 of 53
38	Leukocytoclastic vasculitis	3 of 53
38	Bowen's disease	3 of 53
38	Pityriasis versicolor	3 of 53
38	Porphyria cutanea tarda	3 of 53
38	Primary cutaneous B-cell lymphomas	3 of 53
38	Guttate psoriasis	3 of 53
38	Sarcoidosis	3 of 53
38	Seborrhoeic dermatitis	3 of 53
38	Systemic sclerosis	3 of 53
38	Tinea capitis & kerion	3 of 53
55	Acrodermatitis continua of Hallopeau	2 of 53
55	Acrodermatitis enteropathica	2 of 53
55	Acne vulgaris	2 of 53
55	Chronic wounds	2 of 53
55	Dermatofibrosarcoma protuberans	2 of 53
55	Epidermolysis bullosa	2 of 53
55	Erythema multiforme	2 of 53
55	Erythema nodosum	2 of 53
55	Gianotti-Crosti syndrome	2 of 53
55	Gonorrhoea	2 of 53
55	Herpes simplex	2 of 53
55	Haemorrhoids & perianal thrombosis	2 of 53
55	ILVEN	2 of 53
55	Impetigo	2 of 53
55	Keratoacanthoma	2 of 53
55	Cutaneous leishmaniasis	2 of 53
55	Photodermatoses (UVA/UVB, hardening)	2 of 53
55	Livedo racemosa & livedoid vasculopathy	2 of 53
55	Melkersson-Rosenthal syndrome	2 of 53
55	Darier's / Grover's disease	2 of 53
55	Paradoxical psoriasis	2 of 53
55	Pemphigus vulgaris	2 of 53
55	Pityriasis lichenoides (PLEVA/PLC)	2 of 53
55	Porokeratosis	2 of 53
55	Generalized pustular psoriasis	2 of 53
55	Psoriatic arthritis	2 of 53
55	Erythema infectiosum (fifth disease)	2 of 53
55	Mucous membrane pemphigoid	2 of 53
55	Dermatoses of pregnancy	2 of 53
55	Stevens-Johnson syndrome / TEN	2 of 53
55	Sweet syndrome	2 of 53
55	Tuberous sclerosis	2 of 53
55	Varicella (chickenpox)	2 of 53
55	Vitiligo	2 of 53
89	Infantile acropustulosis	1 of 53
89	Accessory nipple	1 of 53
89	Alopecia areata	1 of 53
89	Amiodarone hyperpigmentation	1 of 53
89	Chondrodermatitis nodularis helicis	1 of 53
89	Sunburn (dermatitis solaris)	1 of 53
89	Orf (ecthyma contagiosum)	1 of 53
89	Eczema herpeticum	1 of 53
89	Eosinophilic dermatoses	1 of 53
89	Erythema ab igne	1 of 53
89	Erythropoietic protoporphyria	1 of 53
89	Skin manifestations of hepatitis B/C	1 of 53
89	Infantile haemangioma	1 of 53
89	Kaposi's sarcoma	1 of 53
89	Cutaneous pseudolymphoma	1 of 53
89	Lentigo maligna	1 of 53
89	Leprosy	1 of 53
89	Measles	1 of 53
89	Behçet's disease & aphthae	1 of 53
89	Food allergy & oral allergy syndrome	1 of 53
89	PAPA and PASH syndromes	1 of 53
89	Parapsoriasis en plaques	1 of 53
89	Perioral dermatitis	1 of 53
89	Pincer nail	1 of 53
89	Pityriasis rubra pilaris	1 of 53
89	Progressive facial hemiatrophy (Parry-Romberg)	1 of 53
89	Prurigo pigmentosa	1 of 53
89	Pseudoxanthoma elasticum	1 of 53
89	REM syndrome	1 of 53
89	Raynaud phenomenon	1 of 53
89	Giant cell arteritis	1 of 53
89	Seborrhoeic keratosis	1 of 53
89	Spitz naevus	1 of 53
89	Tungiasis	1 of 53
89	Urticarial vasculitis & Schnitzler syndrome	1 of 53

Method: the reports were counted by topic (keyword search per topic, one hit per report). Only aggregated numbers are shown – no report texts, examiner names or locations. The list is a study aid, not a prediction of future exams.