Ecchymosis

• Extravasation of blood into the skin or mucous membranes.
• Area of flat color change may progress over time from blue-black to brown-yellow or green.
• Petechiae, ecchymosis, and palpable purpura do not blanch because blood has leaked outside the vessels into the surrounding skin.

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  Ecchymosis in a patient with purpura fulminans.

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  Ecchymoses in a patient with bacterial sepsis.

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  Violaceous ecchymoses on the forearm in solar purpura.

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  A periorbital ecchymosis appearing violaceous and greenish.