Publications by authors named "Song Yee Ang"

Article Synopsis
  • Lipoblastoma is a rare, benign tumor commonly affecting children, with spinal involvement occurring infrequently—only 14 cases documented.
  • A case study of a 7-year-old boy revealed a long-standing neck swelling that was found to be a lipomatous lesion affecting his spinal area, requiring near-total tumor excision.
  • Post-surgery, the patient initially experienced temporary ptosis and pupillary changes, but follow-up examinations showed no lasting neurological deficits or tumor recurrence.
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Neuroendoscopy procedures in pediatrics have expanded beyond the endoscopic third ventriculostomy. As such, a direct and angled endoscope allows further visualization around the corner, capturing the surrounding anatomy. Intraoperative live images look different than radiological images.

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Vagus nerve stimulation (VNS) is a neurostimulatory modality in treating patients with medically resistant epilepsy (MRE). It was introduced in 1997 and has been proven to reduce patients' dependency on antiepileptic drugs and seizure frequency. However, the usage of VNS in children with MRE has been limited, especially those with Lennox Gastaut Syndrome (LGS).

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Polymyxin B (PB) is a polypeptide bactericidal antibiotic that is commonly used for extensively drug-resistant (XDR) microorganisms such as and It can be administered intravenously or intrathecally. Common side effects are nephrotoxicity, neurotoxicity, pruritus and skin hyperpigmentation (SH). The latter is an uncommon adverse reaction of intravenously administered PB.

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Patients with medically refractory epilepsy (MRE) are indicated for vagus nerve stimulation (VNS) placement. Anaesthesia for VNS placement is extremely challenging and requires several considerations. We present a man in his 20s with MRE who successfully underwent VNS placement.

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Background: Impairment in cognitive function is a recognized outcome of traumatic brain injury (TBI). However, the degree of impairment has variable relationship with TBI severity and time post injury. The underlying pathology is often due to diffuse axonal injury that has been found even in mild TBI.

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The debilitating effect of traumatic brain injury (TBI) extends years after the initial injury and hampers the recovery process and quality of life. In this study, we explore the functional reorganization of the default mode network (DMN) of those affected with non-severe TBI. Traumatic brain injury (TBI) is a wide-spectrum disease that has heterogeneous effects on its victims and impacts everyday functioning.

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Objective: Subgaleal drains are generally deemed necessary for cranial surgeries including decompressive craniectomies (DCs) to avoid excessive postoperative subgaleal hematoma (SGH) formation. Many surgeries have moved away from routine prophylactic drainage but the role of subgaleal drainage in cranial surgeries has not been addressed.

Methods: This was a randomized controlled trial at 2 centers.

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