Ulcer

Sinonimai

Deep wound

Definition/Description

Round or irregular deeper defect extending through dermis to subcutis, fascia or bone.
Color: red, often pale yellow, yellow or gray-yellow.
Peripheral erythema, sometimes necrosis.

Localization

Depends on etiology, skin and mucosal membranes.

Eiga

May develop crusts or necrosis.
Always heals with scar.

Comment / Explanation

Nosologic entity, like venous ulcer.
Aphthae on mucous membranes (mm or cm).

Typical Dermatoses

Ulcus cruris, peripheral occlusive disease, burn, decubital ulcer, ulcerating tumours.

Pathophysiology

Vascular obstruction: reduced perfusion, infection, tumor.
Tissue destruction through trauma, burns or frost bites.

2.6 Ulcer