Nummular dermatitis: Difference between revisions

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Revision as of 18:18, 26 August 2014

Template:DiseaseDisorder infobox

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Kiran Singh, M.D. [2]

Overview

Nummular dermatitis is one of the many forms of dermatitis. Also known as discoid dermatitis, it is characterized by round or oval-shaped itchy lesions. (The name comes from the Latin word "nummus," which means "coin.")

Presentation

The disorder is recurrent and chronic, and may appear at any age, although it is most common in people in their 60's. Nummular dermatitis does not appear to be a genetic condition, is not related to food allergies, and is not contagious.

The coin-shaped patches can affect any part of the body, but the legs and buttocks are the most common areas. Flare-ups are associated with dry skin, so the winter season is a particularly bad time for those with this condition.

Other forms of dermatitis are at risk of developing.^[1]

Diagnosis

Physical Examination

Skin

=Extremities

Eczema microbic. Adapted from Dermatology Atlas.^[2]
Eczema microbic. Adapted from Dermatology Atlas.^[2]
Eczema microbic. Adapted from Dermatology Atlas.^[2]
Eczema microbic. Adapted from Dermatology Atlas.^[2]
Eczema microbic. Adapted from Dermatology Atlas.^[2]

Treatment

One of the keys to treatment and prevention involves keeping the skin moisturized. Lotions, creams, and bath oils may help prevent an outbreak. If the condition flares up, a common treatment involves the application of topical corticosteroids. Oral antihistamines may help lessen itching. More severe cases sometimes respond to ultraviolet light treatment.

References

↑ Krupa Shankar DS, Shrestha S (2005). "Relevance of patch testing in patients with nummular dermatitis". Indian journal of dermatology, venereology and leprology. 71 (6): 406–8. PMID 16394482.
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 "Dermatology Atlas".

External links

Scheinfeld NS Circular brown-black eruptions (Nummular dermatitis and Discoid lupus erythematosus) Cortlandt Forum 2007;20(6)

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Template:WikiDoc Sources

[pmid-16394482-1] Krupa Shankar DS, Shrestha S (2005). "Relevance of patch testing in patients with nummular dermatitis". Indian journal of dermatology, venereology and leprology. 71 (6): 406–8. PMID 16394482.

[Dermatology_Atlas-2] 2.0 ^2.1 ^2.2 ^2.3 ^2.4 "Dermatology Atlas".

[1]

[2]

@@ Line 6: / Line 6: @@
 {{SI}}
 __NOTOC__
+{{CMG}};{{AE}} {{KS}}
+==Overview==
@@ Line 16: / Line 18: @@
 Other forms of dermatitis are at risk of developing.<ref name="pmid-16394482">{{cite journal |author=Krupa Shankar DS, Shrestha S |title=Relevance of patch testing in patients with nummular dermatitis |journal=Indian journal of dermatology, venereology and leprology |volume=71 |issue=6 |pages=406–8 |year=2005 |pmid=16394482 |doi=}}</ref>
+==Diagnosis==
+===Physical Examination===
+====Skin====
+=====Extremities====
+<gallery>
+Image:Eczema microbic01.jpg|Eczema microbic. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Adapted from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>
+Image:Eczema microbic02.jpg|Eczema microbic. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Adapted from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>
+Image:Eczema microbic03.jpg|Eczema microbic. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Adapted from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>
+Image:Eczema microbic04.jpg|Eczema microbic. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Adapted from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>
+Image:Eczema microbic05.jpg|Eczema microbic. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Adapted from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>
+</gallery>
 ==Treatment==

v t e Diseases of the skin and subcutaneous tissue (integumentary system) (L, 680-709)
Infections	Template:Navbox subgroup
Bullous disorders	acantholysis (Pemphigus, Transient acantholytic dermatosis) · Pemphigoid (Bullous, Cicatricial, Gestational) · Dermatitis herpetiformis
Inflammatory	Template:Navbox subgroup
Radiation-related disorders	Sunburn · actinic rays (Actinic keratosis, Actinic cheilitis) · Polymorphous light eruption (Acne aestivalis) · Radiodermatitis · Erythema ab igne
Pigmentation disorder	hypopigmentation (Albinism, Vitiligo) · hyperpigmentation (Melasma, Freckle, Café au lait spot, Lentigo/Liver spot, Acanthosis nigricans, Acral acanthotic anomaly)
Other skin	keratosis/hyperkeratosis (Seborrheic keratosis, Callus) · other epidermal thickening (Ichthyosis acquisita, Palmoplantar keratoderma) skin ulcer (Pyoderma gangrenosum, Bedsore) Cutaneous Markers of Internal Malignancy (Florid cutaneous papillomatosis, acanthosis nigricans, sign of Leser-Trelat) atrophic (Lichen sclerosus, Acrodermatitis chronica atrophicans) necrobiosis (Granuloma annulare, Necrobiosis lipoidica) · other granuloma (Granuloma faciale, Pyogenic granuloma) cutaneous vasculitis (Livedoid vasculitis, Erythema elevatum diutinum)
Connective tissues	collagen disease: Keloid localized connective tissue disorders: Lupus erythematosus (Discoid lupus erythematosus, Subacute cutaneous lupus erythematosus) · Scleroderma/Morphea · Linear scleroderma · Calcinosis cutis · Sclerodactyly · Ainhum
see also congenital, neoplasia