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{{Eczema}}
{{Eczema}}
{{CMG}}, {{AE}} [[User:Edzelco|Edzel Lorraine Co, D.M.D., M.D.]]
{{CMG}}, {{AE}} {{EdzelCo}}


==Overview==
==Overview==
[[Eczema]] can be classified in different forms. It could be based on location ([[hand eczema]]), specific appearance ([[discoid]]), or etiology ([[varicose eczema]]). A simplified nomenclature of [[allergy]]-related [[diseases]] was released by the European Academy of Allergology and Clinical Immunology (EAACI) in 2001. <ref name="pmid11551246">{{cite journal |author=Johansson SG, Hourihane JO, Bousquet J, ''et al'' |title=A revised nomenclature for allergy. An EAACI position statement from the EAACI nomenclature task force |journal=Allergy |volume=56 |issue=9 |pages=813–24 |year=2001 |pmid=11551246 |doi=}}</ref>
[[Eczema]] is classified according to [[location]], [[appearance]], or [[etiology]]. We have more common causes of eczema, such as [[seborrheic dermatitis]], and less common causes such as [[dyshidrosis]].


==Common Types of Eczema==
==Eczema Classification==
*National Eczema Association classified [[eczema]] into different types.
*Table 1 enumerates the common types of [[eczema]] with their corresponding description.<ref name="pmid11551246">{{cite journal |author=Johansson SG, Hourihane JO, Bousquet J, ''et al'' |title=A revised nomenclature for allergy. An EAACI position statement from the EAACI nomenclature task force |journal=Allergy |volume=56 |issue=9 |pages=813–24 |year=2001 |pmid=11551246 |doi=}}</ref>




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|+<big>''' Table 1. Common types of [[Eczema]].'''
|+<big>''' Table 1. More Common types of [[Eczema]].'''
! align="center" style="background: #00CED1; width: 300px;" |{{fontcolor|#FFF|Classification}}
! align="center" style="background: #00CED1; width: 500px;" |{{fontcolor|#FFF|Classification}}
! align="center" style="background: #00CED1; width: 400px;" |{{fontcolor|#FFF|Description}}
! align="center" style="background: #00CED1; width: 500px;" |{{fontcolor|#FFF|Description}}
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| align="center" style="padding: 2px 2px; background: #F5F5F5;" |'''[[Atopic eczema]]'''
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Atopic eczema]]'''
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* This presents as [[xerosis]] and [[pruritus]]. <ref name="pmid31690388">{{cite journal| author=Peters N, Peters AT| title=Atopic dermatitis. | journal=Allergy Asthma Proc | year= 2019 | volume= 40 | issue= 6 | pages= 433-436 | pmid=31690388 | doi=10.2500/aap.2019.40.4265 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=31690388  }} </ref>
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| align="center" style="padding: 2px 2px; background: #F5F5F5;" |'''[[Contact dermatitis]]'''
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Contact dermatitis]]'''
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*[[Skin lesion]] attributed to any [[allergens]] or [[irritants]].
|-
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| align="center" style="padding: 2px 2px; background: #F5F5F5;" |'''[[Xerotic eczema]]'''
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Seborrhoeic dermatitis]]'''
| style="padding: 2px 2px; background: #F5F5F5;" |
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| align="center" style="padding: 2px 2px; background: #F5F5F5;" |'''[[Seborrhoeic dermatitis]]'''
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*This is a [[papulosquamous]] [[dermatologic]] [[disease]]  appears as [[greasy]] scales on the [[scalp]].<ref name="pmid24287710">{{cite journal| author=Sampogna F, Linder D, Piaserico S, Altomare G, Bortune M, Calzavara-Pinton P | display-authors=etal| title=Quality of life assessment of patients with scalp dermatitis using the Italian version of the Scalpdex. | journal=Acta Derm Venereol | year= 2014 | volume= 94 | issue= 4 | pages= 411-4 | pmid=24287710 | doi=10.2340/00015555-1731 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24287710  }} </ref>
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==Less Common Types of Eczema==
==Lesser Common Types of Eczema==


* '''[[Dyshidrosis]]''' (aka dyshidrotic e., pompholyx, vesicular palmoplantar dermatitis, housewife’s eczema) only occurs on palms, soles, and sides of fingers and toes. Tiny opaque bumps called vesicles, thickening, and cracks are accompanied by itching which gets worse at night. A common type of hand eczema, it worsens in warm weather. (L30.1)
*Table 2 highlights the lesser common types of [[eczema]] with their respective features.


* '''[[nummular dermatitis|Discoid eczema]]''' (aka nummular e., exudative e., microbial e.) is characterized by round spots of oozing or dry rash, with clear boundaries, often on lower legs. It is usually worse in winter. Cause is unknown, and the condition tends to come and go. (L30.0)


* '''[[stasis dermatitis|Venous eczema]]''' (aka gravitational e., stasis dermatitis, varicose e.) occurs in people with impaired circulation, varicose veins and edema, and is particularly common in the ankle area of people over 50. There is redness, scaling, darkening of the skin and itching. The disorder predisposes to [[venous ulcer|leg ulcers]]. (I83.1)
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* '''[[Dermatitis herpetiformis]]''' (aka Duhring’s Disease) causes intensely itchy and typically symmetrical rash on arms, thighs, knees, and back. It is directly related to [[celiac disease]] and can often be put into remission with appropriate diet. (L13.0)
|+<big>''' Table 2. Lesser Common types of [[Eczema]].'''
 
! align="center" style="background: #00CED1; width: 500px;" |{{fontcolor|#FFF|Classification}}
* '''[[Neurodermatitis]]''' (aka [[lichen simplex chronicus]], localized scratch dermatitis) is an itchy area of thickened, pigmented eczema patch that results from habitual rubbing and scratching. Usually there is only one spot. Often curable through behavior modification and anti-inflammatory medication. [[Prurigo nodularis]] is a related disorder showing multiple lumps. (L28.0; L28.1)
! align="center" style="background: #00CED1; width: 500px;" |{{fontcolor|#FFF|Description}}
 
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* '''[[Autoeczematization]]''' (aka id reaction, autosensitization) is an eczematous reaction to an infection with parasites, fungi, bacteria or viruses. It is completely curable with the clearance of the original infection that caused it. The appearance varies depending on the cause. It always occurs some distance away from the original infection. (L30.2)
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Dyshidrosis]]'''<br> (''[[Dyshidrotic Eczema]]'', ''[[Pompholyx]]'', ''[[Vesicular Palmoplantar Dermatitis]], or ''[[Housewife’s Eczema]]'')''</br>
| style="padding: 2px 2px; background: #F5F5F5;" |
*
*Presents as [[pruritic]] [[vesicles]] with some thickening and cracks on the [[palms]] and [[soles]], as well as on the lateral borders of [[fingers]] and [[toes]].
|-
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Nummular Dermatitis]]''' <br> (''[[Discoid Eczema]]'') </br>
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*A well-demarcated round, oozing [[lesion]] mostly found on the [[lower extremities]] with an unknown etiology.
|-
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Stasis Dermatitis]]''' <br> (''[[Venous Eczema]]'', ''[[Gravitational Eczema]]'', ''[[Varicose eczema]]'') </br>
| style="padding: 2px 2px; background: #F5F5F5;" |
*Commonly found in the [[ankles]] of people aged 50 years old and above with [[blood circulation]] problems.
*This condition often leads to [[leg ulcers]].
|-
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Dermatitis herpetiformis]]''' <br> (''[[Duhring's Disease]]'') </br>
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*This is often associated with [[celiac disease]] and has a [[symmetrical]], [[pruritic]] [[rash]] on [[arms]], [[knees]], [[back]], and [[thigh]].
|-
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Neurodermatitis]]''' <br> (''[[Localized Scratch Dermatitis]]'', ''[[Lichen Simplex Chronicus]]'') </br>
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*[[Thickened]], [[hyperpigmented]], [[pruritic]] [[patch]].
|-
| align="center" style="padding: 2px 2px; background: #E6E6FA;" |'''[[Autoeczematization]]''' <br> (''[[Autosensitization]]'') </br>
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*[[Skin]] reaction to [[microorganisms]], which manifests a few distance away from the original site of [[infection]].
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* There are also eczemas overlaid by viral infections (e. herpeticum, [[eczema vaccinatum|e. vaccinatum]]), and eczemas resulting from underlying disease (e.g. [[lymphoma]]). Eczemas originating from ingestion of medications, foods, and chemicals, have not yet been clearly systematized. Other rare eczematous disorders exist in addition to those listed here.
==Source==
{{cite web |url=https://nationaleczema.org/eczema/types-of-eczema/dyshidrotic-eczema/ |title=Dyshidrotic eczema – Symptoms and causes &#124; National Eczema Association |format= |work= |accessdate=}}


==References==
==References==
{{reflist|2}}
{{reflist|2}}
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Latest revision as of 07:43, 13 November 2023

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Associate Editor(s)-in-Chief: Edzel Lorraine Co, DMD, MD[2]

Overview

Eczema is classified according to location, appearance, or etiology. We have more common causes of eczema, such as seborrheic dermatitis, and less common causes such as dyshidrosis.

Eczema Classification

  • National Eczema Association classified eczema into different types.
  • Table 1 enumerates the common types of eczema with their corresponding description.[1]


 Table 1. More Common types of Eczema.
Classification Description
Atopic eczema
Contact dermatitis
Seborrhoeic dermatitis

Lesser Common Types of Eczema

  • Table 2 highlights the lesser common types of eczema with their respective features.


 Table 2. Lesser Common types of Eczema.
Classification Description
Dyshidrosis
(Dyshidrotic Eczema, Pompholyx, Vesicular Palmoplantar Dermatitis, or Housewife’s Eczema)
Nummular Dermatitis
(Discoid Eczema)
Stasis Dermatitis
(Venous Eczema, Gravitational Eczema, Varicose eczema)
Dermatitis herpetiformis
(Duhring's Disease)
Neurodermatitis
(Localized Scratch Dermatitis, Lichen Simplex Chronicus)
Autoeczematization
(Autosensitization)

Source

"Dyshidrotic eczema – Symptoms and causes | National Eczema Association".

References

  1. ↑ Johansson SG, Hourihane JO, Bousquet J; et al. (2001). "A revised nomenclature for allergy. An EAACI position statement from the EAACI nomenclature task force". Allergy. 56 (9): 813–24. PMID 11551246.
  2. ↑ Peters N, Peters AT (2019). "Atopic dermatitis". Allergy Asthma Proc. 40 (6): 433–436. doi:10.2500/aap.2019.40.4265. PMID 31690388.
  3. ↑ Sampogna F, Linder D, Piaserico S, Altomare G, Bortune M, Calzavara-Pinton P; et al. (2014). "Quality of life assessment of patients with scalp dermatitis using the Italian version of the Scalpdex". Acta Derm Venereol. 94 (4): 411–4. doi:10.2340/00015555-1731. PMID 24287710.
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