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Hematoma |
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hematoma [‚hē·mə′tō·mə]
(medicine) A localized mass of blood in tissue; usually it clots and becomes encapsulated by connective tissue. Hematoma a localized accumulation of liquid blood in tissues. A hematoma is formed during hemorrhages if the blood does not infiltrate the tissues (such as the subcutaneous tissue, muscles, periosteum, brain, liver, and spleen) but rather separates them, forming a cavity. The primary cause of hematomas is trauma, or rupture of pathologically altered blood vessels. Small hematomas are resorbed without a trace, but an inflammatory reaction develops, with the formation of a thick capsule, around large ones. Hematomas result in swelling, ecchymosis, pain, and dysfunction of the affected organ. Treatment involves application of a pressure bandage, and treatment with cold the first day and then heat. Surgery is indicated if a liver or spleen hematoma ruptures or if the hematoma suppurates. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | The fetal skull clearly demonstrates the various plates that later join to form the cranial vault and facial bones, allowing physicians and surgeons to demonstrate the cephalohematomas which sometimes occur at birth and can cause brain damage if they do not dissipate or are removed via surgical procedures. The risks associated with both forceps and vacuums include skull fractures, (12) intracranial hemorrhage, (13,14) retinal hemorrhage, (15) cephalohematoma, (16,17) facial nerve injury, (18) brachial plexus injury (18,19) and soft tissue bruising. Infants at high risk of severe hyperbilirubinemia are those with jaundice in the first 24 hours, predischarge bilirubin levels in the high-risk zone, blood group incompatibility by positive DAT (direct antiglobulin test or the direct Coombs test) or hemolytic disease, gestational age between 35 to 36 weeks, a previous sibling with phototherapy treatment, and cephalohematoma. |
cephalohematoma |
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