Dermatology Lesions

1) Auspitz sign- Psoriasis
2) Beau's lines (Palpable horizontal deep grooves & ridges on nail)- Trauma, coronary occlusion, infection, Malnutrition, chemotherapy, psoriasis, diabetes,
KAWASAKI DISEASE(after a few months of onset)
3) Muehrcke's nails (Hypopigmented lines on nail. Neither any groove nor any ridge is palpable.)- Chemotherapy, Nephrotic syndrome..
4) Axillary freckles-Neurofibromatosis type 1
5) Café au lait spots-Neurofibromatosis type 1
6) Lisch nodules(Iris)-Neurofibromatosis type 1
7) Buttonhole invagination; Neurofibromatosis type 1
8 )Dennie-Morgan fold- Atopic dermatitis
9) Darier's sign- urticaria pigmentosa.
10) Koebner phenomenon- Psoriasis, Lichen planus, Vitiligo, Pityriasis rubra pilaris
11) Nail pitting- Psoriasis (Auspitz sign & Koebner phenomenon)
12) Wickham's striae- Lichen planus
13) Pterygium of nail- Lichen planus (Cicatrical alopecia, Koebner phenomenon; Bucca mucosa involvement)
14) Herald patch- Pityriasis rosea
15) Christmas tree pattern- Pityriasis rosea
16) Cigarette paper scales- Pityriasis rosea
17) Pin prick itching- Pityriasis versicolor
18) Sun fungus- Pityriasis Versicolor
19) Nickolsky's sign- Toxic epidermal necrolysis & Pemphigus vulgaris
20) Row of Tombstone appearance- Pemphigus vulgaris
21) Acantholysis- Pemphigus vulgaris ( Pemphigus-Intraepidermal blisters, Buccal mucosa
involved.
Pemphigoid-- Subepidermal blisters, Mucosa not involved)
22) Target lesion- Erythema multiforme
23) Bull's eye- Erythema multiforme
24) Iris lesion- Erythema multiforme
25) Garttage test- Psoriasis
26) Candle grease sign- Psoriasis
27) Burkley's membrane- Psoriasis
28) Warnoff ring- Psoriasis
29) Micro-munro abscess- Psoriasis
30) Silvery scales- Psoriasis
31) Onycholysis- Psoriasis