After treatment by administration of drugs, pneumatic balloon dilation, or intrasphincteric injection of botulinum toxin, the 8 patients were re-examined by TAUS for longitudinal comparison.

• 并对贲门失弛缓症患者经药物治疗、球囊扩张或肉毒杆菌毒素注射前后的超声表现进行比较。