Examining the Sensory System
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Subtitles in English for this video can be displayed by clicking on
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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 and spinal nerves and Lymphomas and haematopoietic neoplasms Tumours of…
Subtitles in English for this video can be displayed by clicking on (first button on the bottom right hand corner of the video). Inspection of the Upper Limbs After adequate exposure, one should then lay the patient’s arms out comfortably. The examiner should stand at the end of the bed / facing the patient if the patient is…
a) Principles of CT scan Computed Tomography (CT) is an imaging modality that uses computer-generated analysis ( i.e. computed ) of the x-ray attenuation through a section of the body tissue to produce cross-sectional images ( i.e. tomography ) with great anatomical details. Unlike plain X-ray images which are projected images of one plane, CT…
Alzheimer’s disease is the most common cause of dementia and accounts for ~55% of all cases of dementia. One to two percent of the population at age 65 will have dementia and the prevalence increases by 15-25% each decade. The neuro-pathological changes in Alzheimer’s disease are due to two main processes. First of all, there…
This cranial MRI is from a young woman who presented with low-grade fever, confusion, visual hallucinations and status epilepticus. Significant orofacial dyskinesias and autonomic dysfunction was also noted. Lumbar puncture was performed and cerebrospinal fluid (CSF) revealed mild lymphocytic predominant leukocytosis and slightly elevated protein. CSF glucose was within normal range and CSF for microbiological…
These two photos (Figures 1 and 2) show wasting of the left small hand muscles including the interosseous muscles, 3rd and 4th lumbricals and hypothenar muscles. The picture also shows an ulnar claw hand in which there is extension of the metacarpophalangeal joints and flexion of the proximal and distal interphalangeal joints of the 4th…