Prenatal sonographic diagnosis of meconium peritonitis from duodenal atresia

Description

A primigravid woman aged 29 years presented for the first time to our antenatal clinic for routine check-up at 34 weeks of pregnancy. She denied any symptoms. Medical, surgical, social and family histories were reviewed and were unremarkable. Prior scans and prenatal workup from 7 to 15, and 24 weeks were reviewed and were normal. Physical examination revealed a fundal height consistent with 34 weeks of pregnancy. Abdominal ultrasound scan detected 25.3 mm bowel dilation consistent with duodenal atresia, and ascites (figures 1 and 2). The fetus was diagnosed to have grade II meconium peritonitis secondary to duodenal atresia. Biophysical profile was performed on admission was 3. The decision for emergency caesarean section was made.

Figure 1

Double bubble sign signifying the bowel dilation of duodenal atresia (orange arrow). Ascites is also visible (yellow arrow).

Figure 2

Bowel dilation (orange arrow)...

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