Haemat Onco » Disorders of blood components » Platelet

Purpura, petechiae, bruising and ecchymoses

Purpura is characterized by intradermal or submucosal haemorrhages that are purplish or brownish red in colour. Petechiae are well-defined small (1 - 3 mm), intradermal or submucous spots caused by haemorrhage. An ecchymosis is a small haemorrhagic spot, larger than a petechia, in the skin or mucous membrane, forming a non-elevated, rounded or irregular, blue or purplish patch. Infections or drugs as a cause of purpura must be checked.

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