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Chyloperitoneum following open myelomeningocele repair: dealing with an extremely rare finding

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Abstract

Purpose

Chyloperitoneum is an extremely rare finding following myelomeningocele (MMC) repair in neonates. We aimed to describe the characteristics of such a case and explore its clinical significance.

Case report

A male baby born at term with open MMC and hydrocephalus underwent MMC repair surgery with rotational flaps on the first postnatal day. The procedure was uneventful. Three days later, he underwent a right ventriculoperitoneal shunt (VPS) insertion. On opening the peritoneum, a remarkable amount of yellowish opaque fluid was observed. Chyloperitoneum was suspected, but the VPS procedure was completed as planned. Biochemical analysis was consistent with that of chyle.

Discussion

Neonatal chylous ascites is a rare condition; hence, available data on pathophysiology and therapy in the literature are scarce. It is postulated that the MMC repair in neonates causes abdominal tautness, which leads to rupture of small lymphatics and raised intraportal pressure. The combination of these two processes results in extravasation of chyle from the gastrointestinal tract. Presence of chyloperitoneum is not a contraindication for VPS insertion.

Conclusion

Chyloperitoneum is an extremely rare sequela of MMC repair in neonates. Pediatric neurosurgeons should be aware of it, especially when a VPS procedure is to follow a repair, in order to know how to deal with it and avoid unnecessary abandonment of the shunt.

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Abbreviations

CT:

computed tomography

MMC:

myelomeningocele

MRI:

magnetic resonance imaging

VPS:

ventriculoperitoneal shunt

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Authors and Affiliations

  1. Department of Neurosurgery, Birmingham Children’s Hospital, Birmingham, West Midlands, UK

    Ioannis N. Mavridis, Ashish Basnet, Welege Samantha Buddhika Wimalachandra, William B. Lo, Katie Herbert & Desiderio Rodrigues

Authors
  1. Ioannis N. Mavridis
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  2. Ashish Basnet
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  3. Welege Samantha Buddhika Wimalachandra
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  4. William B. Lo
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  5. Katie Herbert
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  6. Desiderio Rodrigues
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Correspondence to Ioannis N. Mavridis.

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Mavridis, I.N., Basnet, A., Wimalachandra, W.S.B. et al. Chyloperitoneum following open myelomeningocele repair: dealing with an extremely rare finding. Childs Nerv Syst 37, 995–998 (2021). https://doi.org/10.1007/s00381-020-04793-2

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  • DOI: https://doi.org/10.1007/s00381-020-04793-2

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