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JOURNAL ARTICLE
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Role of intraluminal bowel echogenicity on prenatal ultrasounds to determine the anatomical level of intestinal atresia.

OBJECTIVE: To evaluate the correlation between different degrees of bowel intraluminal echogenicity showed by prenatal ultrasounds and the anatomic level of intestinal atresia.

METHODS: We report three cases of intestinal atresia at different intestinal levels verified during the neonatal surgery with specific ultrasonographic prenatal features. Intensity of sonolucency was analyzed using the image-processing program ImageJ for quantitative measurements based on the gray-scale intensity values.

RESULTS: A total of three cases are reported, a jejunal, an ileal and a colonic atresia. All cases showed intestinal dilatation. Both, jejunal and ileal atresia, showed two degrees of hypoechoic intestinal content, while colonic atresia showed hyperechogenic content dilated loop at prenatal ultrasound scan.

CONCLUSIONS: We propose the use of prenatal ultrasounds echogenicity of intestinal dilated loop fluid content to help in determining the level of obstruction in bowel atresia. These are initial results, to be confirmed by a multicentric research with more cases.

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