suffusion

灌水

関

watering

　

WordNet

1. wetting with water; "the lawn needs a great deal of watering"

PrepTutorEJDIC

1. (液体・色などが)みなぎること,充満;(顔などの)紅潮

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2017/05/18 17:11:32」(JST)

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Hematoma
Synonyms	haematoma
A hematoma of the upper arm of an adult male caused by a punch.
Classification and external resources
Specialty	Emergency medicine
ICD-10	M79.81
ICD-9-CM	729.92
DiseasesDB	5487
MeSH	D006406

A hematoma is a localized collection of blood outside the blood vessels, due to either disease or trauma including injury or surgery and may involve blood continuing to seep from broken capillaries. A hematoma is initially in liquid form spread among the tissues including in sacs between tissues where it may coagulate and solidify before blood is reabsorbed into blood vessels. An ecchymosis is a hematoma of the skin larger than 10mm.

They may occur among/within many areas such as fat, skin and other organs, connective tissues, bone, joints and muscle.

A collection of blood (or even a hemorrhage) may be aggravated by an anticoagulant, "blood thinner". Blood seepage and collection of blood may occur if heparin is given via an intramuscular route; to avoid this, heparin must be given intravenously or subcutaneously.

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

Signs and symptoms

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, subcutaneous or intramuscular tissue space isolated by fascial planes. This is a key anatomical feature that helps prevent injuries from causing massive blood loss. In most cases the hematoma such as a sac of blood eventually dissolves; however, in some cases they may continue to grow such as due to blood seepage or show no change. If the sac of blood does not disappear, then it may need to be surgically cleaned out/repaired.

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. Gravity is the main determinant of this process.

Hematomas on articulations can reduce mobility of a member and present roughly the same symptoms as a fracture.

In most cases, movement and exercise of the affected muscle is the best way to introduce the collection back into the blood stream.

A mis-diagnosis of a hematoma in the vertebra can sometimes occur; this is correctly called a hemangioma (buildup of cells) or a benign tumor.

Classification

Types

• Subdermal hematoma (under the skin)
• Skull/brain:
  • Subgaleal hematoma – between the galea aponeurosis and periosteum
  • Cephalohematoma – between the periosteum and skull. Commonly caused by vacuum delivery and vertex delivery.
  • Epidural hematoma – between the skull and dura mater
  • Subdural hematoma – between the dura mater and arachnoid mater
  • Subarachnoid hematoma – between the arachnoid mater and pia mater (the subarachnoid space)
  • Othematoma – between the skin and the layers of cartilage of the ear
• Breast hematoma (breast)
• Perichondral hematoma (ear)
• Perianal hematoma (anus)
• Subungual hematoma (nail)

Degrees

• Petechiae – small pinpoint hematomas less than 3 mm in diameter
• Purpura (purple) – a bruise about 1 cm in diameter, generally round in shape
• Ecchymosis – subcutaneous extravasation of blood in a thin layer under the skin, i.e. bruising or "black and blue," over 1 cm in diameter

Etymology

The English word "haematoma" came into use in 1826. The word derives from the Greek αἷμα haima "blood" and -ωμα -oma, a suffix forming nouns indicating disease or morbidity.

See also

• Metanephric dysplastic hematoma of the sacral region

References

External links

• Media related to Haematoma at Wikimedia Commons

UpToDate Contents

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English Journal

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• Changyaleket B1, Xu H2, Vetri F1, Valyi-Nagy T3, Paisansathan C1, Chong ZZ1, Pelligrino DA1, Testai FD4.
• Brain research.Brain Res.2016 Mar 1;1634:171-8. doi: 10.1016/j.brainres.2015.12.061. Epub 2016 Jan 7.
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• PMID 26773687

• Ocular and cutaneous manifestation of leptospirosis acquired in Albania: A retrospective analysis with implications for travel medicine.

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• Thoracoscopic Lung Suffusion.

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• Thoracic surgery clinics.Thorac Surg Clin.2016 Feb;26(1):109-21. doi: 10.1016/j.thorsurg.2015.09.013.
• The lung is a common site of metastatic disease, which may be the only measurable malignancy in some patients. Unfortunately, because of the invasiveness of previous techniques and the fragility of these target organs, many attempts at regional lung therapies have not become that popular. Accordingl
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Japanese Journal

• Soil deformation due to suffusion and its consequences on undrained behavior under various confining pressures

• Japanese Geotechnical Society Special Publication 2(8), 368-373, 2016
• NAID 130005124362

• Suffusion-induced change in spatial distribution of fine fraction in embankment subjected to steady and unsteady seepage flow

• Japanese Geotechnical Society Special Publication 2(49), 1708-1713, 2016
• NAID 130005124134

• 浸透流による盛土内の細粒土の移動に与える再堆積の影響

• 地盤工学ジャーナル 10(4), 473-488, 2015
• NAID 130005117278

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★リンクテーブル★

リンク元	「灌水」「watering」

「灌水」

　　[★]

英

suffusion

• (組織)suffusion、(農地)watering

「watering」

　　[★]

• n.

• 灌水

関

suffusion