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Skull Fracture
PATHOLOGIES AND PROCEDURES
The skull is hard, resilient and provides excellent protection to the brain (Heller, 2012; Khan, 2013). But a severe head injury caused by a blow or impact can fracture the skull and even injure the brain. Damage to the brain can be in the form of damage to the nervous system tissue and bleeding. It can also be in the form of blood clots under the skull that can press against brain tissue. A simple fracture breaks the bone without damaging the skin. A break on the cranial bone, which resembles a thin line, without splinters, depression or distortion is called a linear skull fracture. A break with a depression towards the brain is called a depressed skull fracture. And a break in the bone with splinters or loss of skin is called a compound fracture. Causes of all these fractures are head trauma, falls, automobile accidents, physical assault and sports injuries (Heller, Khan).
Anatomy
The thickness of the skulls is not uniform so that the impact of a blow or injury, which results in a fracture, depends on the location of the blow or injury (Khan, 2013). Fractures occur more at the base of the skull, at the thin squamous temporal and parietal bones, the sphenoid sinus, the foramen magnum, the petrous temporal ridge, and the inner parts of...
Other vulnerable points are the cribriform plate, the roof of orbits in the anterior cranial fossa, and between the mastoid and dural sinuses in the posterior cranial fossa (Khan).
Pathologies
Linear Skull Fracture
This is the most common type (Khan, 2013). It creates a break in the bone but without displacements and does not generally require medical intervention. It usually results from what is called low-energy transfer on account of blunt trauma on a large space of the skull. It affects the entire thickness of the skull. It is not considered serious unless it involves a vascular channel, a venous sinus groove, or a suture. Complications include epidural hematoma, venous sinus thrombosis, and suture diastasis. When the blow comes from a high-energy transfer, it results in a depressed skull fracture, which is serious (Khan).
Depressed Skull Fracture
In this type, the bone fragments are forced inward with or without damage to the scalp (Khan, 2013). It is usually comminuted with the fragments from the location of strongest impact and spreading out peripherally. In most cases, the frontoparietal region is involved where the bones are relatively thin. Moreover, this part is particularly exposed to an attack. This…
BIBLIOGRAPHY
Best Practice (2011). Skull fractures. BMJ Evidence Centre: BMJ Publishing Group,
Limited. Retrieved on September 25, 2013 from http://www.bestpractice.bmj.com/best_practice/monograph/398/treatment/step-by-step.html
Heller, J.L. (2012). Skull fractures. MedlinePlus: Adam, Inc. Retrieved on September 26,
2013 from http://www.nlm.nih.gov/medlineplus/ency/article/000060.htm
Khan, A.N. (2013). Imaging in skull fractures. Medscap: WebMD LLC. Retrieved on September 25, 2013 from http://www.emedicine.medscape.com/article/343764-overview
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