Publications by authors named "Lay Kun Kho"

We describe a man in his 30s with haemophagocytic lymphohistiocytosis (HLH), secondary to an upper respiratory tract infection, with subsequent febrile infection-related epilepsy syndrome. He had a prolonged hospital admission, during which he was treated with chemotherapy for HLH and antiepileptic medications for refractory seizures. He was discharged fully dependent to a care facility and died from aspiration pneumonia 11 months later.

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Primary leptomeningeal melanomas are rare, comprising less than one percent of all brain tumours. They are aggressive and radioresistant tumours, with a poor prognosis. The mainstay of treatment is complete surgical resection and chemotherapy with limited success.

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Embolic stroke of undetermined source (ESUS) is not uncommon in young patients. Here, we describe two cases of stroke from an unusual aetiology; cerebral embolization from carotid artery injury presumed secondary to hyoid bone impingement. Both patients demonstrated angiographic evidence of hyoid bone impingement.

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Herpes simplex encephalitis is the most common sporadic viral encephalitis in the western world, HSV-1 (herpes simplex virus) being the mostly commonly implicated serotype. The disease is usually monophasic, although patients may relapse weeks, months or years after initial infection. This chronic granulomatous inflammatory process is almost exclusively described in children and rarely forms discrete enhancing parenchymal nodules.

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Haemorrhagic transformation (HT) of recently ischaemic brain is a feared complication of thrombolytic therapy that may be caused or compounded by ischaemia-induced activation of matrix metalloproteinases (MMPs). The tetracycline antibiotic minocycline inhibits matrix MMPs and reduces macroscopic HT in rodents with stroke treated with tissue plasminogen activator (tPA). The West Australian Intravenous Minocycline and TPA Stroke Study (WAIMATSS) aims to determine the safety and efficacy of adding minocycline to tPA in acute ischaemic stroke.

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We compared clinical features and prognosis of 72 adults with a first-ever seizure presentation comprising multiple discrete seizures within 24 hours to 425 patients presenting with a single seizure. Those presenting with multiple seizures were no more likely to have seizure recurrence, irrespective of etiology or treatment. Hence, a presentation with multiple seizures within 24 hours should be regarded as a single event, in keeping with the International League Against Epilepsy recommendations.

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