HKU E-learning Platform in Clinical Neurosciences HKU eLearning Platform in Clinical Neurosciences

The set of cranial MRI (coronal cuts) shown here are from a patient presenting with fever and confusion. Multiple, ring-enhancing nodular lesions are noted in the FLAIR sequence (Figures 1 and 2) as well as in the T1W imaging with contrast (Figures 3 and 4). ...

Creutzfeld-Jakob Disease (CJD) are prion diseases and can be subdivided into sporadic (account for 85% of cases), genetic (15% of cases) and acquired forms (<1% cases). CJD is rare with an incidence of 1-1.5 per million population per year with a peak age of onset of 55-75years. It is a common cause of ...

These are the cranial CT scans from a patient with a recent left cerebellar infarct . Due to the significant cytotoxic oedema as a result of the cerebellar infarct, the fourth ventricle is being compressed , thus obstructing the normal CSF flow. The CT scan shows features of obstructive ...

Neoplasms of the central nervous system could be divided into primary and metastatic tumours, each accounting for approximating half of all brain tumours. Primary neoplasms can be further subdivided into several major categories: Tumours of neuroepithelial tissue Tumours of the meninges Tumours of the cranial ...

The set of MRIs shown here are from a middle-aged woman with neuromyelitis optica (NMO) – an autoimmune astrocytopathy. She was diagnosed with left sided optic neuritis 18 months ago, at that time presenting with subacute onset of left eye visual loss, as well as ...