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Fig. 2 | Chinese Neurosurgical Journal

Fig. 2

From: Twist drill craniostomy for traumatic acute subdural hematoma in the elderly: case series and literature review

Fig. 2

The two target points were established in the area according to the brain CT scan, which were located in the maximum level of the hematoma, and chosen to prevent injury to superficial temporal artery and its branches and middle meningeal artery (a-b). After the inner needle was retrieved, bloody fluid, which was not coagulable, could be extracted from the subdural regions respectively (c)

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