Ecchymosis

ecchymosesbruisingecchymoticbleedingbleeding into the skinbruisesdiscolorationecchymotic areaecchymotic haemorrhageseccymosis
An ecchymosis (pl. ecchymoses) is a subcutaneous spot of bleeding with diameter larger than 1 cm.wikipedia
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Hematoma

haematomahematomasbruises
It is similar to (and sometimes indistinguishable from) a hematoma, commonly called a bruise, though the terms are not interchangeable in careful usage.
An ecchymosis is a hematoma of the skin larger than 10mm.

Bruise

bruisingcontusionbruises
It is similar to (and sometimes indistinguishable from) a hematoma, commonly called a bruise, though the terms are not interchangeable in careful usage. Specifically, bruises are caused by trauma whereas ecchymoses, which are the same as the spots of purpura except larger, are not necessarily caused by trauma, often being caused by pathophysiologic cell function, and some diseases such as Marburg virus disease.
These lesions include petechia (< 3 mm result from numerous and diverse etiologies such as adverse reactions from medications such as warfarin, straining, asphyxiation, platelet disorders and diseases such as cytomegalovirus), purpura (3 mm to 1 cm, classified as palpable purpura or non-palpable purpura and indicates various pathologic conditions such as thrombocytopenia), and ecchymosis (>1 cm caused by blood dissecting through tissue planes and settled in an area remote from the site of trauma or pathology such as periorbital ecchymosis, e.g.,"raccoon eyes", arising from a basilar skull fracture or from a neuroblastoma).

Purpura

purpuricFood-induced purpuraPurpura secondary to clotting disorders
Specifically, bruises are caused by trauma whereas ecchymoses, which are the same as the spots of purpura except larger, are not necessarily caused by trauma, often being caused by pathophysiologic cell function, and some diseases such as Marburg virus disease. By definition, ecchymoses are 1 centimetres in size or larger, and are therefore larger than petechiae (less than 3 millimetres in diameter) or purpura (3 to 10 millimetres in diameter).
They measure 3–10 mm, whereas petechiae measure less than 3 mm, and ecchymoses greater than 1 cm.

Marburg virus disease

MarburgMarburg feverMarburg hemorrhagic fever
Specifically, bruises are caused by trauma whereas ecchymoses, which are the same as the spots of purpura except larger, are not necessarily caused by trauma, often being caused by pathophysiologic cell function, and some diseases such as Marburg virus disease.
A maculopapular rash, petechiae, purpura, ecchymoses, and hematomas (especially around needle injection sites) are typical hemorrhagic manifestations.

Petechia

petechiaepetechialpetechial hemorrhages
By definition, ecchymoses are 1 centimetres in size or larger, and are therefore larger than petechiae (less than 3 millimetres in diameter) or purpura (3 to 10 millimetres in diameter).
Petechia refers to one of the three descriptive types of hematoma differentiated by size, the other two being ecchymosis and purpura.

Solar purpura

Solar purpura (also known as "Actinic purpura," and "Senile purpura") is a skin condition characterized by large, sharply outlined, 1- to 5-cm, dark purplish-red ecchymoses appearing on the dorsa of the forearms and less often the hands.

Betamethasone

BetnovateCelestoneDiprolene
The medication betamethasone can have the adverse effect of causing ecchymosis.

Subcutaneous tissue

subcutaneoussubcutaneous fathypodermis
ecchymoses) is a subcutaneous spot of bleeding with diameter larger than 1 cm.

Usage (language)

usagelanguage usageuse of language
It is similar to (and sometimes indistinguishable from) a hematoma, commonly called a bruise, though the terms are not interchangeable in careful usage.

Pathophysiology

pathophysiologicalpathophysiologicpathophysiologist
Specifically, bruises are caused by trauma whereas ecchymoses, which are the same as the spots of purpura except larger, are not necessarily caused by trauma, often being caused by pathophysiologic cell function, and some diseases such as Marburg virus disease.

Coagulopathy

bleeding disordersbleeding disordercoagulopathies
Coagulopathies such as Hemophilia A may cause ecchymosis formation in children.

Haemophilia A

hemophilia AAclassic hemophilia
Coagulopathies such as Hemophilia A may cause ecchymosis formation in children.

New Latin

Neo-LatinModern LatinLatin
The word ecchymosis (plural ecchymoses, ), comes to English from New Latin, based on Greek ἐκχύμωσις ekchymōsis, from ἐκχυμοῦσθαι ekchymousthai "to extravasate blood", from ἐκ- ek- (elided to ἐ- e-) and χυμός chymos "juice".

Ancient Greek

GreekClassical GreekGr.
The word ecchymosis (plural ecchymoses, ), comes to English from New Latin, based on Greek ἐκχύμωσις ekchymōsis, from ἐκχυμοῦσθαι ekchymousthai "to extravasate blood", from ἐκ- ek- (elided to ἐ- e-) and χυμός chymos "juice".

Black eye

Blackblack left eyeblack-eye

Thrombotic thrombocytopenic purpura

TTPpurpura, thrombotic thrombocytopenicillness
Symptoms may include large bruises, fever, weakness, shortness of breath, confusion, and headache.

Thrombocytopenia

low platelet countthrombocytopaenialow platelets
Painless, round and pinpoint (1 to 3 mm in diameter) petechiae usually appear and fade, and sometimes group to form ecchymoses.

Breast hematoma

hematoma
Symptoms may include visible discoloring (ecchymosis), breast pain, and swelling.

Vitamin K deficiency

bleeding with jaundiceKVitamin K
Symptoms include bruising, petechiae, hematomas, oozing of blood at surgical or puncture sites, stomach pains; risk of massive uncontrolled bleeding; cartilage calcification; and severe malformation of developing bone or deposition of insoluble calcium salts in the walls of arteries.

Vitamin C

ascorbic acidascorbateC
Scurvy is characterized by spots on and bleeding under the skin, spongy gums, 'corkscrew' hair growth, and poor wound healing.

Upshaw–Schulman syndrome

Upshaw Schulman SyndromeUpshaw-Schulman syndrome
The initial symptoms, which force the patient to medical care, are often the consequence of lower platelet counts like purpura (present in 90% of patients), ecchymosis and hematoma.