Dermatitis: Difference between revisions

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Mikael Häggström (talk | contribs)
+Mastocytosis
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| [[File:Erythema migrans - erythematous rash in Lyme disease - PHIL 9875.jpg|190px]]
| [[File:Erythema migrans - erythematous rash in Lyme disease - PHIL 9875.jpg|190px]]
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! [[Kaposi’s sarcoma]] in patch stage
| The patch stage typically shows irregular proliferation of jagged vascular channels in the dermis below an integral epidermis. The so-called promontory sign is sometimes found in patch stage lesions and denotes vascular spaces surrounding pre-existing blood (see image).<ref>{{cite journal|last1=Soyer|first1=H. Peter|last2=Jakob|first2=Lena|last3=Metzler|first3=Gisela|last4=Chen|first4=Ko-Ming|last5=Garbe|first5=Claus|title=Non-AIDS Associated Kaposi's Sarcoma: Clinical Features and Treatment Outcome|journal=PLoS ONE|volume=6|issue=4|year=2011|pages=e18397|issn=1932-6203|doi=10.1371/journal.pone.0018397}}</ref>
vessels
| [[File:Micrograph of promontory sign of kaposi's sarcoma.jpg|190px]]
| [[File:Patch stage Kaposi's sarcoma.jpg|190px]]
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! Not otherwise specified
! Not otherwise specified
| A lesion with superficial lymphoplasmacytic infiltrate without additional histopathologic characteristics can be due to for example trauma, ulceration, or scar.<ref name="Alsaad2005"/>
| A lesion with superficial lymphoplasmacytic infiltrate without additional histopathologic characteristics can be due to for example trauma, ulceration, scar and early cutaneous connective tissue diseases.<ref name="Alsaad2005"/>
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====Mastocytosis====
{|class="wikitable"
! Main conditions<ref name="Alsaad2005"/> !! Characteristics !! Micrograph !! Photograph
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! Urticaria pigmentosa
| Mastocytosis with a clinical picture of darkish spots.
| [[File:Histopathology of urticaria pigmentosa.jpg|190px]]
| [[File:Urticaria pigmentosa lesions on a child.jpg|190px]]
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! Not otherwise specified
| Include the rare disease of primary mastocytosis.<ref name="Alsaad2005"/>
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