Fuchs' Dystrophy

 

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Spinal Cord Stroke

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  Spinal cord stroke, also known as spinal cord infarction, is a rare type of stroke that occurs within the spinal cord or the arteries supplying it. Here are some key points about spinal cord stroke: Causes Arteriosclerosis :  Thickening or narrowing of the arteries can lead to reduced blood flow to the spinal cord. Embolism or Thrombosis:  Blockage of blood vessels by a clot can cause ischemia in the spinal cord. Aortic Pathologies:  Conditions like  aortic dissection  or surgery can lead to spinal cord ischemia. Symptoms Sudden Onset:  Symptoms often appear suddenly and can include severe back  pain . Motor and Sensory Deficits:  Patients may experience  weakness  or paralysis, and loss of sensation below the level of the infarct. Bowel and Bladder Dysfunction:   Autonomic dysfunction  can lead to issues with bowel and bladder control. Diagnosis MRI:  Magnetic resonance imaging is crucial for diagnosing spinal cord...
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Traumatic Brain Injury (TBI) and Diffuse Axonal Injury (DAI)

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  Traumatic Brain Injury ( TBI ) and Diffuse Axonal Injury (DAI) are closely related, with DAI being a significant pathological feature of TBI. Definition and Pathophysiology : TBI :  Traumatic Brain Injury  is an injury to the brain caused by an external force, which can result in temporary or permanent impairment of cognitive, physical, and psychosocial functions. DAI : Diffuse Axonal Injury is a type of  brain injury  characterized by widespread lesions in the white matter tracts. It occurs when the brain rapidly shifts inside the skull as an injury is occurring, leading to shearing forces that damage axons. Mechanism : DAI is typically caused by high-speed acceleration-deceleration forces, such as those experienced in car accidents or  falls . These forces stretch and tear axons, disrupting communication between neurons. Clinical Presentation : Patients with DAI often present with a range of symptoms from mild confusion to  coma , depending on the...
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Aneurysms and Strokes

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  Aneurysms and strokes are closely related, particularly when it comes to hemorrhagic strokes. Here is a brief overview of their relationship: Aneurysm Definition : An aneurysm is a bulge or ballooning in a blood vessel caused by a weakness in the vessel wall. When this occurs in the brain, it is known as a cerebral aneurysm . Rupture and Hemorrhagic Stroke : If a cerebral aneurysm ruptures, it can lead to a hemorrhagic stroke, which is a type of stroke caused by bleeding in or around the brain. This can result in significant brain damage , coma , or even death. Subarachnoid Hemorrhage (SAH) : A common consequence of a ruptured aneurysm is a subarachnoid hemorrhage, where bleeding occurs in the space between the brain and the surrounding membrane. This can lead to delayed cerebral ischemia and poor outcomes if not treated promptly. Risk Factors : Factors that increase the risk of aneurysm rupture include high blood pressure, smoking , and a family history of aneurysms. The s...
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