Difference between revisions of "Skin Environmental - Pathology"

Revision as of 16:13, 21 February 2011

Transient erythema may develop into sunburn erythema (warmth, swelling, pain)
Diffusion of inflammatory mediators (e.g. cytokines) from damaged keratinocytes and endothelial cells
Photooxidation of existing melanin -> pigment darkening
Melanogenesis
Immune responses of skin are reduced by UV light

@@ Line 61: / Line 61: @@
 ===[[Photosensitisation]]===
-===Photoenhanced dermatoses===
+===[[Photoenhanced Dermatoses]]===
-*Many [[Skin Immunologic - Pathology|immune-mediated]] cutaneous disease are made worse by sunlight
-**Lupus erythematosus
-**Dermatomyositis
-**Pemphigus erythematosus
-*Vasculitis in extremities, especially white-haired horses
-*Grossly:
-**Erythematous, well circumscribed crusted lesions or hyperkeratotic [[Skin Glossary - Pathology|plaques]]
-*Microscopically:
-**Vasculitis of superficial dermal vessels
-**Thrombi may be seen
-[[Category:Integumentary System - Sunlight Damage]]