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Cerebral Contusions

Last Updated: March 27, 2020

Figure 1: Multiple CT images over time demonstrate the evolution of a hemorrhagic parenchymal contusion in a typical location over the petrous ridge of the temporal bone. The hematoma is not visible on day 1 (top row left), but appears and enlarges over the next few days (top row right and middle row left), a typical course for contusion. At day 17 (middle row right), all that remains is a hypodense hematoma that has already begun to involute. 1 year from the initial trauma, the previous hematoma has evolved into a small amount of encephalomalacia (bottom row).