Hemotympanum
Encyclopedia
Hemotympanum, or hematotympanum, refers to the presence of blood in the tympanic cavity
of the middle ear
. Hemotympanum is often the result of basilar skull fracture
.
Tympanic cavity
The tympanic cavity is a small cavity surrounding the bones of the middle ear.It is formed from the tubotympanic recess, an expansion of the first pharyngeal pouch....
of the middle ear
Middle ear
The middle ear is the portion of the ear internal to the eardrum, and external to the oval window of the cochlea. The mammalian middle ear contains three ossicles, which couple vibration of the eardrum into waves in the fluid and membranes of the inner ear. The hollow space of the middle ear has...
. Hemotympanum is often the result of basilar skull fracture
Basilar skull fracture
A basilar skull fracture is a fracture of the base of the skull, typically involving the temporal bone, occipital bone, sphenoid bone, and/or ethmoid bone....
.