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Can you explain a major difference between the twos to the level of USMLE? Thanks.
Here is how I understand. Please let me know if they are correct.
Pyramidal tracts = descending corticospinal tract (you have two - Lateral and Anterior - lateral for limbs and anterior for truncal)
Pyramidal signs = seen with UMN lesions.
I am confused about extrapyramidal signs/ tracts though. I saw somewhere that it means LMN signs, then in other place, it says it's of basal ganglia disorders.
Thanks again.
Here is how I understand. Please let me know if they are correct.
Pyramidal tracts = descending corticospinal tract (you have two - Lateral and Anterior - lateral for limbs and anterior for truncal)
Pyramidal signs = seen with UMN lesions.
I am confused about extrapyramidal signs/ tracts though. I saw somewhere that it means LMN signs, then in other place, it says it's of basal ganglia disorders.
Thanks again.