Abdominal US outperforms AR for NEC diagnosis
A preterm infant presented with a new onset of emesis and bloody stool. This picture showed the infant with a distended, discolored abdomen, which may be the manifestation of a life-threatening intra-abdominal process. The differential diagnosis included necrotizing enterocolitis (NEC).
![Image of a discolored abdomen of an infant.](https://legacy.123sonography.com/sites/default/files/styles/article_image/public/image/images/blog-discolored-abdomen-infant.png?itok=cmSuqFoD)
The abdominal X-ray (AR) showed a non-specific dilated bowel gas pattern.
![Abdominal X-ray of an infant.](https://legacy.123sonography.com/sites/default/files/styles/article_image/public/image/images/blog-abdominal-xray-infant.png?itok=vGcxG8BG)
Abdominal ultrasound (AUS) was obtained. The intestinal content spillage from the intestinal perforation was "caught on camera." It also showed abnormally dilated, echogenic intestines. These findings were undetectable by AR alone.
![Abdominal ultrasound of an infant showing intestinal content spillage.](https://legacy.123sonography.com/sites/default/files/styles/article_image/public/image/images/blog-abdominal-ultrasound-infant.png?itok=RktzW-Xl)
AUS also showed an extraluminal abscess and meconium collection. All these findings were consistent with NEC with intestinal perforation. This patient underwent emergent abdominal surgery for bowel resection and ileostomy.
![Abdominal ultrasound of an infant showing extraluminal abscess and meconium collection.](https://legacy.123sonography.com/sites/default/files/styles/article_image/public/image/images/blog-abdominal-ultrasound-infant-2.png?itok=t04sdw9Z)
1Chen, J., Mu, F., Gao, K. et al. Value of abdominal ultrasonography in predicting intestinal resection for premature infants with necrotizing enterocolitis. BMC Gastroenterol. 2022;22, 524. https://doi.org/10.1186/s12876-022-02607-0
2Cuna AC, Reddy N, Robinson AL, Chan SS. Bowel ultrasound for predicting surgical management of necrotizing enterocolitis: a systematic review and meta-analysis. Pediatr Radiol. 2018;48(5):658-666. doi:10.1007/s00247-017-4056-x
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