Examining the Sensory System
Subtitles in English for this video can be displayed by clicking on (first button on the bottom right hand corner of the video).
Subtitles in English for this video can be displayed by clicking on (first button on the bottom right hand corner of the video).
This is a collection of curated and illustrated 5-minute videos demonstrating common neurosurgical procedures performed by the Division of Neurosurgery. The aim is to stimulate interest, share the knowledge, and provide an opportunity for undergraduate medical students to have a taste of Neurosurgery in Action. We will include general and basic procedures in the beginning,…
Interpret the following CT brain carefully.
This is a set of cranial MRIs from a patient with osmotic demyelination syndrome, formerly called central pontine myelinolysis. Osmotic demyelination syndrome occurs when wide fluxes in serum sodium levels are induced by too rapid correction of hyponatremia. Oligodendrocytes, which forms the myelin sheaths, are particularly vulnerable to osmotic changes. If the osmotic stress is…
This patient complained of on and off tingling sensation over the lateral 3 ½ fingers of the right hand. There was wasting of the thenar muscles as noted in this photo. Further testing showed that the thumb abduction and opposition was weak. Tinel’s sign and Phalen’s test was positive. A nerve conduction study was performed,…
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). Serology was positive for toxoplasma and the patient was tested…
In this video, the examiner is testing the tone of the lower limbs. After ensuring that the patient is fully relaxed, he first of all rolls each leg using both hands – one placed above the knee and another below the knee. Then, the examiner lifts up each leg at the level of the popliteal fossa. Besides…