basal skull fracture
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ba·sal skull frac·ture
a fracture involving the base of the cranium.
basal skull fractureA fracture involving the bones of the base of the skull, the so-called facial skeleton or viscerocranium.
May be asymptomatic; symptomatic findings include raccoon eyes, Battle sign, haemotympanum, CSF rhinorrhoea.
Plain skull film may not reveal fracture; CT or MRI is more reliable.