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Abstract：
Meconium peritonitis (MP) is a rare fetal disease that needs to be urgently identified for surgical intervention. We report a series of 35 patients diagnosed prenatally with MP by magnetic resonance imaging (MRI), illustrate the imaging findings and investigate the predictive value of these findings for postpartum management.
A consecutive cohort of patients diagnosed with MP who were born at our institution from 2013 to 2018 was enrolled retrospectively. The prenatal ultrasound and MRI findings were analyzed. Fisher\'s exact probability test was used to evaluate the predictive value of MRI for surgical intervention between the operative group and the nonoperative group.
Ascites (30/35) and distended bowel loops (27/35) were two of the most common prenatal MP-related findings on fetal MRI. Of the 35 infants, 26 received surgical intervention. All fetuses with MRI scans showing bowel dilatation (14/26, p = 0.048) and micro-colorectum (13/26, p = 0.013) required surgery. There were no significant differences in the number of fetuses with meconium pseudocysts and peritoneal calcifications between the two groups.
Fetuses with bowel dilatation and micro-colorectum on MRI may need postpartum surgical intervention. Infants with only a small amount of ascites and slight bowel distention were likely to receive conservative treatment.
A consecutive cohort of patients diagnosed with MP who were born at our institution from 2013 to 2018 was enrolled retrospectively. The prenatal ultrasound and MRI findings were analyzed. Fisher\'s exact probability test was used to evaluate the predictive value of MRI for surgical intervention between the operative group and the nonoperative group.
Ascites (30/35) and distended bowel loops (27/35) were two of the most common prenatal MP-related findings on fetal MRI. Of the 35 infants, 26 received surgical intervention. All fetuses with MRI scans showing bowel dilatation (14/26, p = 0.048) and micro-colorectum (13/26, p = 0.013) required surgery. There were no significant differences in the number of fetuses with meconium pseudocysts and peritoneal calcifications between the two groups.
Fetuses with bowel dilatation and micro-colorectum on MRI may need postpartum surgical intervention. Infants with only a small amount of ascites and slight bowel distention were likely to receive conservative treatment.
摘要：
胎粪腹膜炎（MP）是一种罕见的胎儿疾病，需要紧急识别以进行手术干预。我们报告了一系列35例产前通过磁共振成像（MRI）诊断为MP的患者，说明影像学发现，并调查这些发现对产后管理的预测价值。
回顾性纳入了2013年至2018年在我们机构出生的诊断为MP的患者的连续队列。分析产前超声和MRI表现。Fisher精确概率检验用于评估MRI对手术组和非手术组之间手术干预的预测价值。
腹水（30/35）和扩张肠环（27/35）是胎儿MRI上最常见的两种与MP相关的产前发现。在35个婴儿中，26例接受手术干预。所有MRI扫描显示肠扩张（14/26，p=0.048）和微结肠直肠（13/26，p=0.013）的胎儿都需要手术。两组胎粪假性囊肿和腹膜钙化的胎儿数量无明显差异。
在MRI上有肠道扩张和微结肠直肠的胎儿可能需要产后手术干预。只有少量腹水和轻微肠管扩张的婴儿可能会接受保守治疗。
回顾性纳入了2013年至2018年在我们机构出生的诊断为MP的患者的连续队列。分析产前超声和MRI表现。Fisher精确概率检验用于评估MRI对手术组和非手术组之间手术干预的预测价值。
腹水（30/35）和扩张肠环（27/35）是胎儿MRI上最常见的两种与MP相关的产前发现。在35个婴儿中，26例接受手术干预。所有MRI扫描显示肠扩张（14/26，p=0.048）和微结肠直肠（13/26，p=0.013）的胎儿都需要手术。两组胎粪假性囊肿和腹膜钙化的胎儿数量无明显差异。
在MRI上有肠道扩张和微结肠直肠的胎儿可能需要产后手术干预。只有少量腹水和轻微肠管扩张的婴儿可能会接受保守治疗。
