2 - Derm - Skin + Systemic disease - Major mechanisms Flashcards
what are the 2 major mechs?
skin and internal organs targeted by the same disease process
The internal disease may cause a skin manifestation by an often unclear mechanisma
Targeted by same disease process.. 4 diseases/types of diseases
gout
vasculitis
connective issue disease
hyperlipidaemia
what can lead to coeliac and dermatitis hepetiformis? what happens in dermatitis hepetiformis?
gluten hypersensitivity
chronic recurrent pruritic rash, usually excoriated vesicles, common on extensor surfaces arms and legs
skin manifestation of
- gout
- vasculitis
gout - uric acid crystals deposited in skin as well as joints - causing tophi
vasc - both skin and organ vessels affected
skin manifestation of
- hyperlipidaemia
- what conn tissue disease can affect skin
- xanthomata
- SLE, systemic sclerosis, dermatomyositis
skin manifestation of malignancy…4
acanthosis nigricans - abdo malignancy
dermatomyositis - multi malignancy
generalised pruritis - lymphoma
superficial thrombophlebitis - pancreatic cancer
DM skin manifestation - 5
diabetic ulcers skin infections necrobiosis lipoidica diabetic dermopathy granuloma annulare
Liver disease skin manifestations
jaundice pruritis spider naevi palmar erythema leukonychia