肺部包虫囊肿破裂后．囊液经支气管排出，气体进入囊肿内，形成液气平面，破碎的囊肿内囊壁塌陷、脱落呈不规则状漂浮在液平面上，以前称之为“水上百荷”或“水上浮莲”征，已众所周知，被广大临床、放射工作者们所接受。而大块的内囊壁或未完全破碎的子囊脱落，漂浮在囊液平 Pulmonary hydatid cyst rupture. Cystic fluid through the bronchial discharge, the gas into the cyst, the formation of liquid-gas plane, broken cyst wall collapsed, shedding irregularly floating in the liquid level, previously known as the “water 100 Dutch” or “floating on the water” Levy, has been well-known, by the majority of clinical, radiation workers are accepted. The bulk of the inner wall or incompletely broken ascus off, floating in the cyst level