Patch testing should be considered in chronic discoid eczema as contact allergy to metals, such as nickel and chromate, have been commonly reported. What is the differential diagnosis of …

Annular scaly plaques in discoid eczema, chronic plaque psoriasis, seborrhoeic dermatitis, pityriasis rosea, discoid lupus, porokeratosis, and tinea (dermatophyte infection) Annular …

Nummular dermatitis (or eczema) is also known as discoid eczema (or dermatitis). It has two forms: Exudative (‘wet’) nummular dermatitis; Dry nummular dermatitis; Exudative nummular …

Granuloma annulare is often initially misdiagnosed as tinea because of the annular appearance; the lack of surface scale should lead away from this and other scaly rashes such as discoid …

Annular scaly plaques are also common in discoid eczema, chronic plaque psoriasis, seborrhoeic dermatitis, pityriasis rosea, porokeratosis, and sarcoidosis. What is the treatment for erythema …

Annular lichenoid dermatitis of youth slowly progresses, with no serious complications being reported to date. The duration of annular lichenoid dermatitis of youth varies. Out of 21 cases …

Urticaria, urticaria-like weals, eczema-like lesions, blisters and target lesions may occur; It is prevented when ovulation is prevented by an oral contraceptive agent; Interstitial …

Bibliography. Bachelez H. Pustular psoriasis and related pustular skin diseases. Br J Dermatol. 2018;178(3):614-18. doi:10.1111/bjd.16232 PubMed

Venous eczema. Affects one ankle initially then may spread to other leg and can generalise (autoeczematisation) Signs of venous disease: hardened, narrowed ankle …

Hyperkeratotic hand eczema compared to other subgroups of hand eczema - a retrospective study with a follow-up questionnaire. Contact Dermatitis 2018; 78: 216–22. PubMed; Thestrup …