Multiple neural tube defects may not be very rare in the general population, especially the populations with high incidence of neural tube defects. Multisite closure theory has the versatility to explain various combinations of neural tube defects, but better insights into the molecular pathways governing this tightly regulated process can provide us the missing link in establishing the pathogenesis of multiple NTDs. It can also provide us with an opportunity to prevent NTDs or treat them in utero by pharmacological modulation of these signaling pathways.
The present case report describes two patients with a novel combination of VACTERL (vertebral, anorectal, cardiac, tracheoesophageal, renal, limb), neural tube defect and crossed renal ectopia. Though cases of VACTERL associated with crossed renal ectopia have been described, the present case report is the first to describe its combination with neural tube defect. The cases reported here are significant because central nervous system manifestations are scarce in VACTERL syndrome. The role of sonic hedgehog pathway has been proposed in VACTERL association and neural tube defects. Axial Sonic hedgehog signaling has also been implicated in the mediolateral positioning of the renal parenchyma. With this knowledge, the etiopathogenesis of this novel combination is discussed to highlight the role of sonic hedgehog signaling as a point of coherence.
Our preliminary experience suggests that there is no statistically significant difference in the proportion of early post-operative wound infection between the patients who received single dose of pre-operative antibiotics and the patients who received no antibiotics after inguinal herniotomy and orchiopexy. The risk of surgical site infection in paediatric heriotomies does not increase even if the child's weight is less than his/her expected weight for age.
The occurrence of four gastrointestinal (GIT) anomalies in a single patient is extremely rare. Only one report of four GIT anomalies in a child has been published in the English literature. The current report presents a child with four anomalies and discusses the molecular mechanisms which control the development of the gastrointestinal tract.
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