Hematoma

From Free net encyclopedia

Image:Myk-haematoma.jpg Image:Hematome-p1000482.jpg A hematoma, or haematoma, is a collection of blood, generally the result of hemorrhage. Hematomas exist as bruises (ecchymoses), but can also develop in organs.

Hematomas can gradually migrate, as the effused cells and pigment move in the connective tissue. For example, a patient who hurts 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.

Types

• Subdural hematoma
• Subarachnoid hematoma
• Epidural hematoma
• Perichondral hematoma
• Cephalohematoma

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