CPS CASE 171. All in the Family

Although the initial shaking in all four limbs is suggestive of bilateral central nervous system dysfunction, the subsequent focal nature of the deficits, including aphasia and weakness on the patient's right side, suggests a unilateral lesion, probably in the left hemisphere of the brain, affecting the corticospinal tracts and language centers.

初めの四肢の振戦は両側の中枢神経系の障害を思わせるが、続く欠損が巣症状、つまり、失語、右側の脱力などは、片側の病変、おそらく左大脳半球で、皮質脊髄路と言語中枢を侵していることを示唆する。