An unnoticed variant of Sirenomelia with constellation of multiple anomalies

Sirenomelia is a rare fatal congenital anomaly, characterized by a single midline lower limb, urogenital anomalies, Potter's facies and a single umbilical artery. Approximately 400 cases have been reported in the literature. Based on the number of feet and the degree of lower limb bone fusion, it is classified into seven different types. Sirenomelia has been reported with associated anomalies involving multiple systems mainly of urogenital, respiratory as well as the alimentary tract system. In the present case, the authors reported an unnoticed variation in the fusion of lower limbs and its rare association with tracheoesophageal fistula

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