Related Experiment Video
Updated: Aug 30, 2026

06:59
Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
Published on: February 29, 2020
[Diagnostic image (156). A man with a hematoma behind the ear. Mastoid bone fracture]
1Universitair Medisch Centrum Utrecht, afd. Neurologie, Postbus 85.500, 3508 GA Utrecht.
Nederlands Tijdschrift Voor Geneeskunde
|October 7, 2003
Abstract:
After a fall against a concrete ridge, a 65-year-old man was seen at the first-aid department with a haematoma behind his right ear (Battle's sign) and blood loss from the external meatus. A CT scan showed a basal skull fracture located in the right mastoid bone.

