Battle Sign
Battle sign: mastoid ecchymosis indicating basilar skull fracture, described by W.H. Battle in 1890; it holds >75% PPV for posterior fossa injury.
Tag BOS fracture
William Henry Battle
William Henry Battle (1855–1936) English surgeon. Battle incision, Battle operation and Battle sign postauricular (mastoid) ecchymosis
ICE 002: Trampoline injury
A 9 year old boy fell while trampolining and struck his head on the trampoline frame. There was definite loss of consciousness but just for how long is unclear as the only witnesses were friends his age. The clinical image shows findings on the left side of his head.