William Henry Battle
William Henry Battle (1855–1936) English surgeon. Battle sign, postauricular (mastoid) ecchymosis fracture of the base of the skull (BOS).
William Henry Battle (1855–1936) English surgeon. Battle sign, postauricular (mastoid) ecchymosis fracture of the base of the skull (BOS).
Postauricular ecchymosis (bruising over the mastoid process) reflecting a base of skull fracture. Described by William Henry Battle (1855 – 1936) in 1890