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|A hematoma of the upper arm of an adult male caused by a |
A hematoma (US spelling) or haematoma (UK spelling) is a localized collection of
They may occur among/within many areas such as skin and other organs, connective tissues, bone, joints and muscle.
A collection of blood (or even a hemorrhage) may be aggravated by
Some hematomas are visible under the surface of the skin (commonly called bruises) or possibly felt as masses/lumps. Lumps may be caused by the limitation of the blood to a sac,
The slow process of reabsorption of hematomas can allow the broken down blood cells and hemoglobin pigment to move in the connective tissue. For example, a patient who injures the base of his thumb might cause a hematoma, which will slowly move all through the finger within a week.
In most cases, movement and exercise of the affected muscle is the best way to introduce the collection back into the blood stream.
A misdiagnosis of a hematoma in the vertebra can sometimes occur; this is correctly called a