contrecoup injury

contrecoup injury

[kôtreko̅o̅′]
Etymology: L, contra, against; Fr, coup, blow; L, injuria
an injury, usually involving the brain, in which the tissue damage is on the side opposite the trauma site, as when a blow to the left side of the head results in brain damage on the right side.

contrecoup injury

Traumatology A brain 'bruise' diametrically opposite the site of an impacting blow to the cranium, where the head is in motion and the brain lags behind by a split-second; a blow to the back of the head results in lesions of the frontal lobes and horns of the temporal lobes; a blow to the top of the skull results in contrecoup lesions to the hippocampus and the corpus callosum. See Boxing. Cf Coup.
References in periodicals archive ?
12) The appendiceal transection in our case is in fact a contrecoup injury due to the opposite primary side of the handlebar harmful contact, which was visible in the left part of the patient's abdomen.
The mechanics of TBI follow that of coup contrecoup injury.
Pulmonary parenchymal injury from blunt chest trauma can arise from several mechanisms, including direct compression, contrecoup injury, shearing forces, or laceration from fractured ribs.
Dr Bolster said: "He had what is known as a contrecoup injury which is virtually always associated with a fall.
It is known, however, that blows causing rotation of the brain produce shearing forces, which are tolerated more poorly than either coup or contrecoup injury (11).