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The intraluminal location of the enterolithiasis enables differentiation from calcifications that are secondary to bowel perforation and meconium peritonitis. We report on a term male neonate with VACTERL (vertebral defects, imperforate anus, cardiac anomalies, tracheoesophageal fistula, renal anomalies, limb anomalies) association and rectourethral fistula, in whom enterolithiasis was documented by prenatal ultrasound imaging at 21 weeks' gestation. A review of the literature and a summary of all previously described cases of neonates with intraluminal meconium calcifications are provided. Prenatal ultrasonographic detection of enterolithiasis in fetuses with anal atresia may indicate the presence of an enterourinary fistula. Copyright \u00a9 2006 ISUOG. 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