Head and neck injuries

This document, authored by Dr. Oscar Ottoman for a pathology lecture, provides an extensive forensic and medical overview of head and neck trauma, defining head injury as trauma to the scalp, skull, or brain that often results from motor vehicle accidents or falls. The material categorizes injuries into scalp wounds like abrasions and lacerations, various skull fractures such as vault and basilar types, and critical intracranial hemorrhages including epidural, subdural, and subarachnoid hematomas. It further distinguishes between primary brain parenchymal injuries, like diffuse axonal injury and concussions, and secondary complications such as vasogenic or cytotoxic cerebral edema. Finally, the text details the mechanics of neck and spinal cord trauma, ranging from vertebral compression and flexion-rotation injuries to whiplash and ligature injuries.