nummular dermatitis


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num·mu·lar ec·ze·ma

discrete, coin-shaped patches of eczema.
Synonym(s): nummular dermatitis
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Nummular eczema, also known as nummular dermatitis or discoid eczema, is a chronic condition that produces coin-shaped spots on the skin.
Nummular dermatitis can present with discreet, annular pruritic eczematous plaques, often with crusting.
The clinical diagnosis was atypical nummular dermatitis. Two 4 mm punch biopsies were taken from the lesions on his flank for histological evaluations.
Patch testing has yielded positive results ranging from 50% to 92.5% in other studies.10 In a study by Fleming et al.11 50% of patients with nummular dermatitis showed positive patch test reaction.
The most frequent types of eczematous dermatitis were contact dermatitis (72%), seborrheic dermatitis (10%), nummular dermatitis (%7.8), atopic dermatitis (5%) neurodermatitis (3.6%) and intertrigo (1.6%), respectively.
Hypnosis has been found useful to treat a number of skin disorders including acne excoriee, alopecia areata, atopic dermatitis, congenital ichthyosiform erythroderma, dyshidrotic dermatitis, erythromelalgia, furuncles, glossodynia, herpes simplex, hyperhidrosis, ichthyosis vulgaris, lichen planus, neurodermatitis, nummular dermatitis, postherpetic neuralgia, pruritus, psoriasis, rosacea, trichotillomania, urticaria, verruca vulgaris, and vitiligo.
Nummular dermatitis, or nummular eczema, is an inflammatory skin condition that is considered to be a distinctive form of idiopathic eczema, while the term also is used to describe lesional morphology associated with other conditions.
Eradicative therapies were effective and led to improvement of the symptoms of chronic urticaria, nummular dermatitis and prurigo chronica multiforme in 60 Percent , 54 Percent and 50 Percent of the patients, respectively.
In the classic configuration, AD presents as poorly demarcated papules and plaques; however, AD also may have a well-demarcated nummular configuration, resembling nummular dermatitis. True nummular dermatitis, unrelated to atopic disease, is uncommon in children.
TABLE Differential Diagnosis of Atopic Dermatitis Autosomal recessive hyperimmunoglobulin E syndrome (AR-HIES) Benign cephalic histiocytosis Contact dermatitis (irritant or allergic; consider bathing products, moisturizers) Cutaneous T-cell lymphoma Immunodysregulation, polyendocrinopathy, enteropathy, X-linked (IPEX) syndrome Langerhans cell histiocytosis Netherton syndrome (severe erythroderma, failure to thrive) Nummular dermatitis Psoriasis (rash in napkin distribution, which is not typical for atopic dermatitis) Pediatric herpes simplex virus infection Scabies (papular and nodular, affecting palm and sole) Seborrheic dermatitis Severe combined immunodeficiency (SCID) Staphylococcus aureus infection Wiskott-Aldrich syndrome (bleeding disorder, low platelet count) Zinc deficiency
TABLE Differential Diagnosis of Atopic Dermatitis Autosomal recessive hyperimmunoglobulin E syndrome (AR-HIES) Benign cephalic histiocytosis Contact dermatitis (irritant or allergic; consider bathing products, moisturizers) Cutaneous T-cell lymphoma Immunodysregulafion, polyendocrinopathy, enteropathy, X-linked (IPEX) syndrome Langerhans cell histiocytosis Netherton syndrome (severe erythroderma, failure to thrive) Nummular dermatitis Psoriasis (rash in napkin distribution, which is not typical for atopic dermatitis) Pediatric herpes simplex virus infection Scabies (papular and nodular, affecting palm and sole) Seborrheic dermatitis Severe combined immunodeficiency (SCID) Staphylococcus aureus infection Wiskott-Aldrich syndrome (bleeding disorder, low platelet count) Zinc deficiency
The patients may have plaques typical of psoriasis and features of dermatitis, or scaling erythematous patches with features that are intermediate between nummular dermatitis and psoriasis.