Pathophysiology a group of disorders with progressive upper and lower motor neuron disease causing progressive motor weakness Signs and … [Read more...]
Former NFL Fullback Diagnosed With Lou Gehrig’s Disease
Former Philadelphia Eagle fullback Kevin Turner has been diagnosed with Lou Gehrig's disease (aka ALS or amyotrophic lateral sclerosis.) Related … [Read more...]
Was Lou Gehrig Misdiagnosed With Lou Gehrig’s Disease?
In a study to be published tomorrow in a leading journal of neuropathology, researchers are now questioning whether some patients diagnosed with Lou … [Read more...]
Wernicke’s Syndrome
Pathophysiology 1) caused by thiamine deficiency (vitamin B1) 2) usually (but not always) seen in chronic alcoholism Signs and Symptoms 1) … [Read more...]
Neuroblastoma
Pathophysiology 1) malignant tumor of neural crest origin, from adrenal medulla or sympathetic ganglia 2) 33% of tumors occur in adrenals, 33% in … [Read more...]
Meningioma
Pathophysiology 1) tumor of arachnoid cells of meninges 2) usually attached to dura 3) may invade skull but rarely invades brain tissue 4) found … [Read more...]
Astrocytoma
Pathophysiology of Astrocytoma 1) primary brain tumor dervied from astrocytes 2) wide variation in differentiation - grade 1 (astrocytoma), grade 2 … [Read more...]
Down’s Syndrome (trisomy 21)
Pathophysiology congenital mental retardation caused by trisomy 21 (an extra chromosome 21) Signs and Symptoms 1) moderate mental retardation … [Read more...]
Post-traumatic Stress Disorder (PTSD)
Pathophysiology 1) type of stress disorder with delayed, recurrent development of anxiety after experiencing a traumatic event 2) involves threat … [Read more...]
Rabies
Pathophysiology 1) cause is infection with Lyssavirus 2) virus attacks unmyelinated peripheral neurons and travels to spinal cord (retrograde at … [Read more...]
Pernicious Anemia
Pathophysiology 1) cause - lack of intrinsic factor in gastric secretions 2) adult form - deficiency of intrinsic factor owing to gastric atrophy … [Read more...]
Chediak-Higashi Syndrome
Pathophysiology 1) autosomal recessive congenital condition marked by defective lysosomal granules and poor chemotaxis 2) caused by abnormal … [Read more...]