• Cylindroma                            
• Cutaneous B-cell lymphoma
• Cutaneous lava migrans
• Lupus pernio
• Yellow nail syndrome
• Urticarial vasculitis

Test your diagnostic skills

• Hand, foot and mouth disease
• Juvenile plantar dermatosis
• Keratolysis exfoliativa
• Pompholyx
• Tinea pedis
• Verruca

• Erysipelas
• Impetigo
• Infected sebaceous cyst
• Keratolysis plantare sulcatum
• Shingles
• Gingivitis

• Guttate psoriasis
• Scalp psoriasis
• Nail psoriasis
• Plaque psoriasis
• Superficial basal cell carcinoma
• Palmoplantar pustulosis

• Basal cell carcinoma
• Erythema annulare centrifugum
• Erythema multiforme
• Localised granuloma annulare
• Pityriasis rosea
• Tinea corporis

• Alopecia mucinosa
• Discoid lupus erythematosus
• Brocq pseudopelade
• Lichen planopilaris
• Androgenetic alopecia
• Alopecia areata

• Blue naevus
• Giant comedone
• Seborrhoeic keratosis
• Congenital naevus
• Dermatosis papulosa nigra

• Seborrhoeic dematitis
• Exfoliative keratolysis
• Darier’s disease
• Ichthyosis
• Idiopathic pityriasis amiantacea
• Lichen planus

• Bullous pemphigoid
• Bullous pemphigus
• Herpes labialis
• Shingles
• Insect bite

• Basal cell carcinoma
• Squamous cell carcinoma
• Chondrodermatitis nodularis chronica helicis
• Impetigo
• Otitis externa
• Embedded earring

• Eczema herpeticum • Pemphigus vulgaris • Perinephric abscess • Quinsy [with pre-set links to the evidence base]

• Superficial thrombophlebitis
• Polymorphic eruption of pregnancy
• Chloasma
• Naevi
• Jaundice