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Skin problems on the trunk

Author: Hon Assoc Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand, September 2015.

Links to pages about skin conditions that favour the trunk.

Trunk: erythema without surface change

Erythema is less pronounced in dark skin.

Flushing

Sunburn

Urticaria

Trunk: red papules/pustules

Acne vulgaris

Hot tub folliculitis

Lichen planus

Malassezia follicultiis

Miliaria

Morbilliform drug eruption

Trunk: erosions/crusting

Herpes zoster

Impetigo

Scabies rash

Transient acantholytic dermatosis / Grover disease

Varicella/chickenpox

Trunk: dry/scaly + very itchy

May also blister, swell.

Allergic contact dermatitis

Atopic dermatitis

Nummular dermatitis

Secondary syphilis

Trunk: dry and scaly with minimal itch

Annular erythema

Pityriasis rosea

Pityriasis versicolor

Psoriasis

Seborrhoeic dermatitis

Subacute lupus erythematosus

Tinea corporis

Trunk: multiple skin coloured papules

Comedonal acne

Granuloma annulare

Steatocystoma multiplex

Pigmentary changes

Pigmentation is more pronounced in dark skin.

Postinflammatory pigmentation

See also pigmentary disorders

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