Cauda Equina (A-HORSE)
A- usually asymmetric (i.e. unilateral vs bilateral conus medularis syndrome)
H- herniation (caused by herniation)
O- overgrowth (caused by malignancy)
R- reflexes (absent ankle & patellar reflex)
S- saddle anesthesia
E- excrement (fecal & urinary incontinence)