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The Collaborative International Dictionary
Hematoma

Hematoma \Hem`a*to"ma\ (h[=e]`m[.a]*t[=o]"m[.a] or h[e^]m`[.a]*t[=o]"m[.a]), n. [NL. See Hema-, and -oma.] (Med.) A localised leakage of blood from the blood vessels into nearby tissues, usually confined within a tissue or organ; especially, a local swelling produced by an effusion of blood beneath the skin, which may clot and discolor the affected area.

Douglas Harper's Etymology Dictionary
hematoma

1826, from hemato- + -oma.

Wiktionary
hematoma

n. A swelling of blood, usually clotted, which forms as a result of a broken blood vessel.

WordNet
hematoma
  1. n. a localized swelling filled with blood [syn: haematoma]

  2. [also: hematomata (pl)]

Wikipedia
Hematoma

A hematoma or haematoma is a localized collection of blood outside the blood vessels, usually in liquid form within the tissue. An ecchymosis, commonly (although erroneously) called a bruise, is a hematoma of the skin larger than 10mm.

It is not to be confused with hemangioma, which is an abnormal buildup of blood vessels in the skin or internal organs.

Usage examples of "hematoma".

Their lips moved, forming words, like bubbles, that floated off-- subdural hematoma, edema, intracerebral hemorrhage, lesions, seizures, coma.

There was a lot to rule out: possible pelvic fracture, possible hematoma, possible fracture of a cervical vertebra, left arm broken in two places and might need to be pinned.

Between the crystalline freezing and the hematomas, the neural destruction was complete.

He had suffered severe-to-moderate blood loss secondary to the tearing of the radial artery He had a collapsed lung, numerous contusions, hematomas, and lacerations.

Intercostal muscular inflammation was eased and five hematomas dissipated.

On the upper half: the head is intact, with massive depressed skull fractures, facial features significantly obscured by massive ecchymoses, hematomas and edema.

There were subdural hematomas, bleeding over the brain and into the chest cavity.

She had spent several hours in the operating theater here, opening up three sections of the admiral’s skull in order for her to remove the subdural hematomata that had been caused by the blunt force to his head.

Sanger was describing a large left subdural hematoma, and pointing out to the students how the blood clot had pushed the brain over to the right.

Smith has suffered a very grave subdural hematoma, which is localized cranial bleeding.

We really do feel that she needs to have a thorough workup for cervical fracture, and for subdural hematoma, and she needs a pelvic fracture workup as well.

Said plaintiff did suffer severe bruising to the lower back and hip, two ruptured disks at the 14th and 15th vertebrae, a class-one subdural hematoma, gross swelling of the testicles and concomitant edema.

This could be in the form of a subdural hematoma, a bleeding which gradually creates enough pressure inside the brain to suppress the vital functions.

Knowledgeable in head trauma, she had been called in to aid in the diagnosis, had confirmed the signs of subdural hematoma in a seventeen-year-old Arab soldier.

As I remember, Benny had a subdural hematoma, and his death was the result of an arterial bleed.