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A subcutaneous hemorrhage marked by purple discoloration of the skin.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



or bruise, a hemorrhage into the soft tissues as a result of a blow or pressure from a blunt object; blood may also escape under nonmechanical influences (sepsis, asphyxia, and overchilling, for example). The blood flowing out of the injured blood vessels into the tissue changes color (from dark red to yellowish green) with decomposition and biochemical conversion. The type of object that applied the blow and the age of the trauma may be judged by the shape and color of the surface bruise (“black-and-blue mark”). Extensive ecchymoses are called hematomas.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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In her personal history, it was learned that she had recurrent epistaxis, painful bruising on the body and menorrhagia, her ecchymoses increased with sadness and stress and regressed spontaneously after a while.
Lichen sclerosus (LS) is a pruritic inflammatory dermatosis, clinically characterized by white atrophic or sclerotic plaques and papules, ecchymoses, erosions, and scarring [12, 13].
A rare presenting symptom in children with leukaemia, called leukaemia cutis, may be confused with ecchymoses, since the lesions may be purplish in colour.
Cullen's sign (peri-umbilical ecchymoses) indicates intraperitoneal rupture of the haematoma and Grey-Turner's sign (flank discolouration) is probably secondary to extra-peritoneal extension of the haematoma.
At the ends of the scale, 10% of ecchymoses were 5.0 mm or less in diameter and another 10% were 30.0 mm or more in diameter.
Most of the patients had sustained subconjunctival haemorrhages, ecchymoses and ocular adnexal injuries rather than penetrating globe injuries involving posterior segment of the eye.
No neonatal problems or trauma during normal vaginal delivery resulting in cephalohematoma or ecchymoses was reported.
The clinical picture is highly variable and patients may present with different complaints., Ecchymoses usually develop in childhood; epistaxis, postoperative hemorrhage and gingival bleeding may be observed.
He had hypoxemia, hypotension, new acute renal failure, and new full-thickness skin necrosis with bullae, mottling, and ecchymoses of the affected arm.
These purplish discolorations may range from tiny dots known as petechiae to larger patches known as purpuras to even larger ones known as ecchymoses.