How does brain contusion cause it?

How brain contusions are caused: Brain contusion is a disease that often occurs in brain surgery. Brain contusion is a series of clinical symptoms and signs of brain function, such as headache, mental disorders, language, sensory, motor dysfunction, etc. It is a brain contusion caused by external force. It has no more damage to the cortical tissue, the surface of the brain and the pia mater, so it is a brain contusion. It is different from brain contusion and laceration. Its nature is much more serious than concussion. Because it has bleeding, bleeding focus, bleeding point, its damage to the nervous system is also multifaceted. Clinical symptoms can be varied, there are a variety of clinical symptoms, in addition to pain, mental disorders, sensory disorders, motor disorders, but also emotional aspects, language aspects, vision, hearing and other functional impairment. It is a comprehensive impairment process, so its treatment is often diagnosed and treated under the guidance of brain surgeons, its prognosis is not exactly the same according to the degree of damage. It should be said that early detection, early treatment, after active treatment, the prognosis is still relatively good. It is better than brain contusion, but more serious than concussion, there may be some sequelae, but the probability is not very high, mainly determined by its condition.