Hypoxic Ischemic Encephalopathy

Hypoxic- Ischemic Encephalopathy Causes in adults: Drowning Asphyxiation Cardiac arrest Cerebrovascular accident Selectively vulnerable areas of the brain: For detailed pathophysiology cascade Areas with highest concentrations of glutamate or other excitatory amino acid receptors Areas of the brain with greatest energy demands. Mild to moderate ischemic insult: Watershed territory infarcts. Severe ischemic insult: Basal ganglia […]

Excerpts from RSNA Case-based Review of Thoracic Radiology (An Interactive Session)- Part 1

Webinar :Case-based Review of Thoracic Radiology (An Interactive Session)  This was part of RSNA 2017 virtual meeting. I am writing down the salient points from this excellent lecture: Paediatric chest: Congenital immunodeficiency syndromes: Chronic Granulomatous Disease: Inability to kill catalase positive organisms like staphylococcus and aspergillus. Early manifestations: Miliary nodules, abscess, pneumonia, empyema. Late manifestations: bronchiectasis […]

Imaging of White Matter Diseases

Imaging of white matter diseases: Topics covered: Normal myelination. Hypoxic Ishemic Encephalopathy. Dysmelinating and demyelinating disorders. Approach to dysmyelinating disorders depending on Involvement of grey matter / white matter or both Central/ Peripheral involvement. Enhancement pattern Symmetrical involvement. Head size. Systemic involvement. Important disorders are covered with typical imaging findings. Check out the Atlas of […]