Erythema

The erythema (ερυθρός red) is the the dermatological lesion most current; it is about a redness congestive of the skin , diffuse or located, being erased with the vitopression (i.e. with the support).

Kinds of erythema

One distinguishes:

passive erythemas

The passive erythemas are due to an accumulation of venous blood.

active erythemas

The active erythemas are due to a Vasodilatation.

télangiectasies

The Télangiectasie S are a permanent dilation of vessels of the Derme)
  • Héréditaire S
    • Maladie of Returned-Osler
    • ataxia-télangiectasie
    • Poïkilodermie S congenital
    • Angiome plan
  • Acquis are
    • Couperose
    • Sclérodermie
    • stellar angiomas of the Grossesse or the hepatic Cirrhose
    • Varicosité S

See too

  • knotty Érythème
  • pigmented Érythème fixes
  • actinic Érythème

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