basal skull fracture

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ba·sal skull frac·ture

a fracture involving the base of the cranium.

basal skull fracture

A fracture involving the bones of the base of the skull, the so-called  facial skeleton or viscerocranium.

Clinical findings
May be asymptomatic; symptomatic findings include raccoon eyes, Battle sign, haemotympanum, CSF rhinorrhoea.
 
Imaging
Plain skull film may not reveal fracture; CT or MRI is more reliable.

basal skull fracture

Orthopedics A fracture involving the base of the cranium Clinical May be asymptomatic; raccoon eyes, Battle sign, hemotympanum, CSF rhinorrhea Imaging Plain skull film may not reveal fracture; CT or MRI is more reliable. See LeFort fracture.
References in periodicals archive ?
Complication from a nasopharyngeal airway in a patient with a basilar skull fracture.
The cause of death was a basilar skull fracture and severe abdominal laceration, according to doctors.
The Denver screening criteria for BCI Signs and symptoms * Arterial haemorrhage * Cervical bruit in patient <50 years of age * Expanding cervical haematoma * Focal neurological deficit * Neurological examination incongruous with head CT scan findings * Stroke on secondary CT scan Risk factors for BCI High-energy transfer mechanism with: * LeForte II or III fracture * Cervical spine fracture * Basilar skull fracture with carotid canal involvement * Diffuse axonal injury with GCS < 6 * Near-hanging with anoxic brain injury CT = computed tomography; BCI = blunt carotid injury; GCS = Glasgow Coma Score.
Recurrent bacterial meningitis caused by an occult basilar skull fracture.
Risk factors for bilateral carotid artery dissections in blunt injury include high energy transfer mechanism, basilar skull fracture, diffuse axonal injury with a GCS of six or lower, and cervical spine fracture or near hanging.
While it, too, includes altered mental status and severe injury mechanism, it also includes clinical signs of basilar skull fracture, any LOC, a history of vomiting, and severe headache.
Other signs of a basilar skull fracture include bruising behind the ears or blood visible behind the eardrum.
BASILAR SKULL FRACTURE: Basilar skull fracture may present as raccoon eyes (anterior fracture) or battle sign (Petechial hemorrhage over mastoid) in middle cranial fossa fracture).
Tympanic membrane rupture is not common after electrical injuries; when it does occur, it may be caused by a shock wave's direct burn or by a basilar skull fracture.