Skull fracture

Skull fracture is the term used to describe a break in one or more of the eight bones which form the cranial portion of the skull usually occurring as a result of blunt force trauma . If the force of the impact is excessive the bone may fracture at or near the site of the impact and may cause damage to the underlying physical structures contained within the skull such as the membranes , blood vessels , and brain , even in the absence of a fracture. While an uncomplicated skull fracture can occur without associated physical or neurological damage and is in itself usually not clinically significant, a fracture in healthy bone indicates that a substantial amount of force has been applied and increases the possibility of associated injury . Any significant blow to the head results in a concussion , with or without loss of consciousness . A fracture which occurs in conjunction with an overlying laceration which tears the epidermis and the meninges or runs through the paranasal sinuses and the middle ear structures, resulting in the outside environment being in contact with the cranial cavity is termed a compound fracture. Compound fractures may either be clean or contaminated. There are four major types of skull fractures; linear fractures which are the most common and usually require no intervention for the fracture itself, depressed fractures which are usually comminuted with broken portions of bone displaced inward may require surgical intervention if there is underlying tissue damage, diastatic fractures in which the sutures of the skull widen usually affects children under three, and basilar fractures which occur in the bones at the base of the skull.

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