Intracranial hypertension is defined as an intracranial pressure (ICP) >20mmHg. It is often a complication of head trauma or other neurological conditions and it may have lethal consequences. PATHOPHYSIOLOGY: The […]
Subdural hematoma is a blood collection between the dura mater and the arachnoid that may be present in ~10% of head traumas. It is visible as a crescent-shaped lesion on […]
Epidural hematoma (also known as extradural hematoma) is a blood collection between the dura mater and the skull with a characteristic lens-shaped appearance on the CT scan. It can be […]
Parkinson disease is a disorder characterized by dopamine depletion on the basal ganglia (striatum, pallidum, substancia nigra, subthalamic nucleus), which leads to dysfunction of the thalamus and motor cortex. As […]
Progressive supranuclear palsy is a condition characterized by progressive gait disorder, postural instability, ophtalmoplegia, rigidity, dysarthria, dysphagia, and cognitive disturbance (frontal region). It usually affects elderly patients. The prevalence in […]