Publications by authors named "Kookhee Yang"

Intradiploic encephalocele is a rare condition of herniation of the brain parenchyma through the diploic space. A 52-year-old man presented with a parietal intradiploic encephalocele manifesting as an intermittent headache for 7 months. CT revealed an osteolytic lesion involving the right parietal bone.

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The dual microcatheter technique is an alternative treatment for stent-assisted coiling in acutely ruptured wide-necked aneurysms because of no antiplatelet therapy. We assessed the safety and efficacy of this technique in ruptured wide-necked aneurysms. Between March 2008 and March 2016, 56 acutely ruptured aneurysms were treated with the dual microcatheter technique.

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Object: The aim of this study was to determine the risk factors associated with the development of postoperative ischemic complications after surgical revascularization used to treat pediatric patients with ischemic moyamoya disease.

Methods: The clinical, imaging, and perioperative data from 170 procedures in 90 children who underwent indirect revascularization surgery were retrospectively reviewed. To clarify the risk factors, cases with identified ischemic complications and those without such events were compared.

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Although intractable epilepsy associated with hypothalamic hamartoma (HH) can be controlled by microsurgical resection of the lesion, excision of deep-seated lesions is often associated with morbidity and mortality. Endoscopic disconnection is less invasive and seems to be well suited for this indication. The authors discuss the role of endoscopic-assisted surgery in the management of HH-induced seizures.

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We evaluated the surgical effects of the callosotomy, particularly with respect to the effect of callosotomy in some seizure types and the extent of surgery. Twenty-one patients with a minimum follow-up of two year were enrolled. The most significant effect of callosotomy was the complete suppression of the generalized seizures associated with drop attack in 12 of 21 patients and seizure reduction of more than 75% in 6 of 21 patients.

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Case Report: A 17-month-old infant girl was admitted with complex partial seizures and right side hemiparesis. Five days after the last seizure, MR signal changes were observed in the left hemisphere with a cavernous hemangioma in the middle temporal gyrus. However, these MR signal changes had normalized 11 days after the last seizure, except for the cavernous hemangioma.

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Introduction: Schwannomas are benign tumors that arise from Schwann cells in the peripheral nervous system. The vestibular division of the VIIIth cranial nerve is the nerve segment most commonly affected, the trigeminal nerve root being the next most frequently affected. Although schwannomas of other cranial nerves are very rare, these nerves do have myelinated sheaths composed of Schwann cells and are potential sites for intracranial schwannomas.

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Background: It is well known that selective posterior rhizotomy is effective for relieving spasticity associated with cerebral palsy. However, there is significant variation between surgeons in terms of how much and which of the posterior rootlets should be cut for the improvement of ambulatory function without causing adverse effects.

Methods: The study population was composed of 200 CP patients who underwent SPR more than 1 year before this study.

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