1977年9月于斯里兰卡某茶场中,一些少女采茶工因进食被磷酸三甲苯酯(TCP)污染的芝麻油而引起中毒。患者初呈腓肠肌痛,继之出现手足无力,两足下垂,出现高跨阈步态;两手呈爪状,腕下垂,踝反射消失。经调查估算,每一病人于二周内进食芝麻油560～1120 ml,其中约含TCP 2.8～5.6 g,合70- In September 1977 at a tea house in Sri Lanka, some teenage tea-picking workers were poisoned by eating sesame oil contaminated with tricresyl phosphate (TCP). The patient was initially presented with gastrocnemius and myalgia, followed by hand, foot and limb weakness, drooping, and high-threshold gait. His hands were clawed, the wrist droped and his ankle reflex disappeared. After investigation, each patient in two weeks to eat sesame oil 560 ~ 1120 ml, which contains about TCP 2.8 ~ 5.6 g, together 70-