Unsubstantiated belief in the diagnostic accuracy of the triad of abusive head trauma may lead to incorrect diagnoses of alleged abuse cases

Benign external hydrocephalus (BEH) is a subtype of hydrocephalus. It is common in boys and characterised by rapid increases in head circumference (HC), enlarged subarachnoid spaces and normal or moderately enlarged ventricles.1, 2 Most infants with BEH are born with a normal HC that starts to grow too rapidly after birth.3, 4 BEH predisposes infants for increased intracranial pressure, subdural haematoma (SDH), retinal haemorrhages and...