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What is Duret hemorrhages are seen in - and explain in detail?
Ans. is 'c' i.e., Pons Duret Hemorrhage:* It is the hemorrhage of mid brain and pons secondary to herniation of brain.* This lesion in most cases is a secondary midline hemorrhage resulting from rapid assymetrical herniation of brainstem downwards.* The midline lesion usually involves the mid brain and pons but never the medulla.* The morphology of the hemorrhage is highly variable - ranges from a streak like discoloration in the midline pontinetegmentum to Rorschach like complex pattern.