Dermatitis: Difference between revisions

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Mikael Häggström (talk | contribs)
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| Hyperkeratosis, atrophic epidermis, sclerosis of dermis and dermal lymphocytes.<ref name="emed">{{cite web|url=https://emedicine.medscape.com/article/1123316-overview#|title=Lichen Sclerosus|author=Lisa K Pappas-Taffer|website=Medscape}} Updated: May 17, 2018</ref>
| Hyperkeratosis, atrophic epidermis, sclerosis of dermis and dermal lymphocytes.<ref name="emed">{{cite web|url=https://emedicine.medscape.com/article/1123316-overview#|title=Lichen Sclerosus|author=Lisa K Pappas-Taffer|website=Medscape}} Updated: May 17, 2018</ref>
| [[File:Micrograph of lichen sclerosus.jpg|190px]]
| [[File:Micrograph of lichen sclerosus.jpg|190px]]
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! Erythema multiforme
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! Lupus erythematosis
| Typical findings in systemic lupus erythematosus:<ref>{{cite web|url=https://www.pathologyoutlines.com/topic/skinnontumorlupussle.html|title=Skin inflammatory (nontumor) > Lichenoid and interface reaction patterns > Lupus: systemic lupus erythematosus (SLE)|author=Mowafak Hamodat|website=PathologyOutlines}} Topic Completed: 1 August 2011. Revised: 26 March 2019</ref>
*Fibrinoid necrosis at the dermoepidermal junction
*Liquefactive degeneration and atrophy of the epidermis
*Mucin deposition in the reticular dermis
*Edema, small hemorrhages
*Mild and mainly lymphocytic infiltrate in the upper dermis
*Fibrinoid material in the dermis around capillary blood vessels, on collagen and in the interstitium
*In non-bullous cases, perivascular and interstitial neutrophils are sometimes present in the upper dermis, with damage to blood vessels
| [[File:Histopathology of systemic lupus erythematosus.jpg|190px]]
| [[File:Butterfly rash of lupus erythematosus.jpg|190px]]
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An interface dermatitis with vacuolar alteration, not otherwise specified, may be caused by viral exanthems, phototoxic dermatitis, acute radiation dermatitis, erythema dyschromicum perstans, lupus erythematosus and dermatomyositis.<ref name="Alsaad2005"/>
An interface dermatitis with vacuolar alteration, not otherwise specified, may be caused by viral exanthems, phototoxic dermatitis, acute radiation dermatitis, erythema multiforme, erythema dyschromicum perstans, lupus erythematosus and dermatomyositis.<ref name="Alsaad2005"/>


====Psoriaform dermatitis====
====Psoriaform dermatitis====