Skin and soft-tissue infections: Difference between revisions

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{| class="wikitable" border="1"
{| class="wikitable" border="1"
! style="width: 250px;background: #4479BA"| !! style="width: 150px;background: #4479BA;"|{{fontcolor|#FFF|Layer}} !! style="width: 150px;background: #4479BA;"|{{fontcolor|#FFF|Condition}} !! style="width: 500px;background: #4479BA;"|{{fontcolor|#FFF| Definition }} !! style="width: 100px;background: #4479BA;"|{{fontcolor|#FFF| Image}}
! style="width: 250px;background: #4479BA"| !! style="width: 150px;background: #4479BA;"|{{fontcolor|#FFF|Layer}} !! style="width: 150px;background: #4479BA;"|{{fontcolor|#FFF|Condition}} !! style="width: 500px;background: #4479BA;"|{{fontcolor|#FFF| Definition }} !! style="width: 120px;background: #4479BA;"|{{fontcolor|#FFF| Image}}
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| [[File:Epidermis.png|250px|link=Epidermis]] ||'''[[Epidermis]]''' || '''[[Impetigo]]''' || High contagious superficial skin infection that affects the [[epidermis]]. It is classified as bullous and non-bullous, being the latter the most common presentation of [[impetigo]]. <div class="mw-collapsible-content"> <div class="mw-collapsible mw-collapsed">
| [[File:Epidermis.png|250px|link=Epidermis]] ||'''[[Epidermis]]''' || '''[[Impetigo]]''' || High contagious superficial skin infection that affects the [[epidermis]]. It is classified as bullous and non-bullous, being the latter the most common presentation of [[impetigo]]. <div class="mw-collapsible-content"> <div class="mw-collapsible mw-collapsed">
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* Non-bullous: characteristic "honey-crust" lesions,  can be caused by [[S. aureus]] or [[Streptococi]].
* Non-bullous: characteristic "honey-crust" lesions,  can be caused by [[S. aureus]] or [[Streptococi]].
* Ecthyma: severe form of [[impetigo]] with [[ulceration]] of the [[epidermis]] and formation of crust. </div></div>
* Ecthyma: severe form of [[impetigo]] with [[ulceration]] of the [[epidermis]] and formation of crust. </div></div>
|| [[File:Impetigo elbow.jpg|100px|link=Impetigo]]
|| [[File:Impetigo elbow.jpg|120px|link=Impetigo]]
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|Rowspan="5"|[[File:Dermis.png|250px|link=Dermis]]|| Rowspan="5"|'''[[Dermis]]''' ||'''[[Folliculitis]]''' || Inflammation of a [[hair follicle]]. || [[File:Folliculitis.jpg|100px|link=Folliculitis]]
|Rowspan="5"|[[File:Dermis.png|250px|link=Dermis]]|| Rowspan="5"|'''[[Dermis]]''' ||'''[[Folliculitis]]''' || Inflammation of a [[hair follicle]]. || [[File:Folliculitis.jpg|120px|link=Folliculitis]]
|-
|-
| '''[[Furuncle]]''' || Infection of a [[hair follicle]], also known as [[boil]]. || [[File:Furuncle.jpg|100px|link=Furuncle]]
| '''[[Furuncle]]''' || Infection of a [[hair follicle]], also known as [[boil]]. || [[File:Furuncle.jpg|120px|link=Furuncle]]
|-
|-
| '''[[Carbuncle]]''' || Collection of [[furuncles]] with a larger area of involvement and may extend to the [[subcutaneous tissue]]. || [[File:Carbuncle on buttok.JPG|100px|link=Carbuncle]]
| '''[[Carbuncle]]''' || Collection of [[furuncles]] with a larger area of involvement and may extend to the [[subcutaneous tissue]]. || [[File:Carbuncle on buttok.JPG|120px|link=Carbuncle]]
|-
|-
|'''[[Erysipelas]]'''  || Superficial skin infection with a clear line of demarcation between involved and uninvolved tissue and raised lesions above the level of the surrounding [[skin]]; affects the [[epidermis]] and upper [[dermis]].|| [[File:Erysipel.JPG|100px|link=Erysipelas]]
|'''[[Erysipelas]]'''  || Superficial skin infection with a clear line of demarcation between involved and uninvolved tissue and raised lesions above the level of the surrounding [[skin]]; affects the [[epidermis]] and upper [[dermis]].|| [[File:Erysipel.JPG|120px|link=Erysipelas]]
|-
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| Rowspan="2"|'''[[Cellulitis]]''' || rowspan="2"| Diffuse [[skin]] infection that involves the deeper [[dermis]] and the [[subcutaneous tissue]].  It is classified as non-purulent and purulent [[cellulitis]].<div class="mw-collapsible-content"> <div class="mw-collapsible mw-collapsed">
| Rowspan="2"|'''[[Cellulitis]]''' || rowspan="2"| Diffuse [[skin]] infection that involves the deeper [[dermis]] and the [[subcutaneous tissue]].  It is classified as non-purulent and purulent [[cellulitis]].<div class="mw-collapsible-content"> <div class="mw-collapsible mw-collapsed">
* Non-purulent: with no purulent drainage or exudate and no associated [[abscess]].
* Non-purulent: with no purulent drainage or exudate and no associated [[abscess]].
* Purulent: associated with purulent drainage or exudate in the absence of a drainable [[abscess]].</div></div>
* Purulent: associated with purulent drainage or exudate in the absence of a drainable [[abscess]].</div></div>
| Rowspan="2"|[[File:Cellulitis3.JPG|100px|link=Cellulitis]]
| Rowspan="2"|[[File:Cellulitis4.jpg|120px|link=Cellulitis]]
|-
|-
|Rowspan="2"|[[File:Subcutaneous tissue.png|250px|link=subcutaneous tissue]]||Rowspan="2"| '''[[Subcutaneous tissue]]'''
|Rowspan="2"|[[File:Subcutaneous tissue.png|250px|link=subcutaneous tissue]]||Rowspan="2"| '''[[Subcutaneous tissue]]'''
|-
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| '''[[Necrotizing fasciitis]]'''|| Rapidly progressive necrosis of the [[subcutaneous tissue]] and [[fascia]].  ||[[File:Necrotizing fasciitis left leg.JPEG|100px|link=Necrotizing faciitis]]
| '''[[Necrotizing fasciitis]]'''|| Rapidly progressive necrosis of the [[subcutaneous tissue]] and [[fascia]].  ||[[File:Necrotizing fasciitis left leg.JPEG|120px|link=Necrotizing faciitis]]
|-
|-
|[[File:Muscle layer.png|250px|link=Muscle]]||'''[[Muscle]]''' || '''[[Myonecrosis]]''' ||  Muscle tissue [[necrosis]] associated with gas production.  Also refereed as [[gas gangrene]].  ||[[File:Gas gangrene.jpg|100px|link=Myonecrosis]]
|[[File:Muscle layer.png|250px|link=Muscle]]||'''[[Muscle]]''' || '''[[Myonecrosis]]''' ||  Muscle tissue [[necrosis]] associated with gas production.  Also refereed as [[gas gangrene]].  ||[[File:Gas gangrene.jpg|120px|link=Myonecrosis]]
|-
|-
|}
|}

Revision as of 13:55, 28 May 2014

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

Click on each condition for more information about that particular infection

Layer Condition Definition Image
Epidermis Impetigo High contagious superficial skin infection that affects the epidermis. It is classified as bullous and non-bullous, being the latter the most common presentation of impetigo.
  • Bullous: small vesicles that enlarge to a bullae, commonly associated with S. aureus infection.
  • Non-bullous: characteristic "honey-crust" lesions, can be caused by S. aureus or Streptococi.
  • Ecthyma: severe form of impetigo with ulceration of the epidermis and formation of crust.
Dermis Folliculitis Inflammation of a hair follicle.
Furuncle Infection of a hair follicle, also known as boil.
Carbuncle Collection of furuncles with a larger area of involvement and may extend to the subcutaneous tissue.
Erysipelas Superficial skin infection with a clear line of demarcation between involved and uninvolved tissue and raised lesions above the level of the surrounding skin; affects the epidermis and upper dermis.
Cellulitis Diffuse skin infection that involves the deeper dermis and the subcutaneous tissue. It is classified as non-purulent and purulent cellulitis.
  • Non-purulent: with no purulent drainage or exudate and no associated abscess.
  • Purulent: associated with purulent drainage or exudate in the absence of a drainable abscess.
Subcutaneous tissue
Necrotizing fasciitis Rapidly progressive necrosis of the subcutaneous tissue and fascia.
Muscle Myonecrosis Muscle tissue necrosis associated with gas production. Also refereed as gas gangrene.

Table adapted from Rook's Textbook of Dermatology, Seventh Edition[1], Ferringer's Infectious diseases of the skin [2], and Clinical Infectious Diseases 2005; 41:1373–406[3]
Images obtained from Wikimedia Commons

References

  1. ↑ Rook, Arthur (2010). Rook's textbook of dermatology. Chichester, West Sussex, UK Hoboken, NJ: Wiley-Blackwell. ISBN 1405161698.
  2. ↑ Elston, Dirk (2011). Infectious diseases of the skin. London: Manson. ISBN 1840761776.
  3. ↑ Dennis L. Stevens, Alan L. Bisno, Henry F. Chambers, E. Dale Everett, Patchen Dellinger, Ellie J. C. Goldstein, Sherwood L. Gorbach, Jan V. Hirschmann, Edward L. Kaplan, Jose G. Montoya & James C. Wade (2005). "Practice guidelines for the diagnosis and management of skin and soft-tissue infections". Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 41 (10): 1373–1406. doi:10.1086/497143. PMID 16231249. Unknown parameter |month= ignored (help)
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