Purpura

PURPURA

PETE HEMORAGICE CUTANATE, NU DISPAR LA VITROPRESIUNE

ASPECT:

- PETESII - punctiforme

- VIBICELE - liniare

- ECHIMOZE - intinse

CULOARE:

- ECHIMOZE - in evolutie: brun → rosu → verzui → galbui

(resorbtie 10-12 zile)

CAUZE

1. vasculare - (fragilitate vasculara) - petesii

→ purpura simpla/senila

→ telangiectazia ereditara

→ boli de tesut conjunctiv ereditare

→ purpura alergica

→ scorbut

2. trombocitare - petesii

→ trombocitopenii (<100 000)

3. coagulopatii - echimoze, hematoame

→ ereditare - hemofilii - A (factor VIII)

- B (factor IX)

→ dobandite - deficit vitamina C

- boli hepatice

- CID