Bronchopulmonary sequestration is a congenital abnormality of nonfunctional pulmonary tissue that lacks normal connections with the bronchial tree. The sequestered tissue typically receives the majority of its blood supply from systemic vessels, most often the distal thoracic or upper abdominal aorta. These lesions often are associated with fetal hydrops, polyhydramnios, and persistent masses postnatally. Bronchopulmonary sequestrations are thought to require resection owing to their predisposition for chronic pulmonary infections later in life. However, spontaneous in utero resolution of these lesions can occur. This report describes the real time, color Doppler, and duplex Doppler ultrasonographic investigation of an intrathoracic bronchopulmonary sequestration that resolved spontaneously. Our investigation of this case provides new insight into a possible mechanism for spontaneous regression of bronchopulmonary sequestration.

译文

支气管肺隔离症是一种先天性的非功能性肺组织异常,与支气管树缺乏正常的连接。隔离的组织通常从全身血管 (通常是远端胸主动脉或上腹主动脉) 获得大部分血液供应。这些病变通常与胎儿积水,羊水过多和出生后持续性肿块有关。由于支气管肺病在以后的生活中易患慢性肺部感染,因此需要切除。但是,这些病变可能会在子宫内自发消退。本报告描述了自发解决的胸内支气管肺隔离症的实时,彩色多普勒和双工多普勒超声检查。我们对该病例的研究为支气管肺隔离自发消退的可能机制提供了新的见解。

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