• Takumi Morita, Yoshinori Maki, Daisuke Yamada, Ryota Ishibashi, Masaki Chin, and Sen Yamagata.
• Department of Neurosurgery, Kurashiki Central Hospital, Okayama, Japan. Electronic address: kapipara10000@gmail.com.
• World Neurosurg. 2017 Oct 1; 106: 1056.e9-1056.e13.

BackgroundIntracranial nail gun injury is a rare traumatic event and can result from a suicide attempt. Cerebral angiography is essential in the evaluation of damage to the intracranial vessels, and surgical removal of nails is generally the optimal treatment. Intraventricular hemorrhage can happen after removal of intracranial nails. Endovascular surgery or intraoperative computed tomography has been reported to be useful for detection and treatment of intraventricular hemorrhage. After the surgical removal of nails, attention should be paid for complications such as pseudoaneurysm and infection.Case DescriptionA 63-year-old man with a history of depression was transferred to our hospital in an unconscious state. Physical examination showed 2 nails puncturing his left thorax, and computed tomography revealed a nail puncturing the intracranial space. No damage to these intracranial vessels was observed on computed tomography angiography and venography. After drainage for potential intraventricular hemorrhage, the nails were removed. Postoperatively, prophylactic antibiotic therapy was administrated for secondary infection. Computed tomography angiography did not detect any postoperative pseudoaneurysms. The patient also underwent therapy from a psychiatrist and was transferred to another hospital.ConclusionsAs for treatment of a case of intracranial nail gun injury, our case shows that preoperative cerebral angiography is not always needed in intracranial nail gun injury when there is no apparent damage to the intracranial vessels and emergent removal of nails is required. External ventricular drainage preceding the removal of a puncture object can be an effective management strategy for secondary intraventricular hemorrhage.Copyright © 2017 Elsevier Inc. All rights reserved.

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