The Cavitron Ultrasonic Surgical Aspirator is a unique modality for precise tissue removal which results in increased visibility, reduced bleeding, and shorter operating time when dealing with vascular lesions or organs.
Mutations in the gene for the enzymes superoxide dismutase 1 (SOD1) or copper zinc superoxide dismutase have been found in approximately 15-20 percent of the familial cases of ALS. Some quick math shows, then, that approximately 1 to 2 percent of all cases of ALS involve this particular gene mutation.
ALS resulting from this mutation has an onset from 30's to 50's. Lower motor neuron loss is more common with sensory loss and/or postural tremor. Common signs of this mutation are cramps, fasciculations, and lower motor weakness. The gene is located on chromosome 20q13.33.