Semilobar holoprosencephaly with neurogenic hypernatraemia

Hashim Javad, Saif Al-Yarubi, Alexander P. Chacko, Dilip Sankhla, Amna Al-Futasi, Anas A. Abdelmogheth, Mohamed El-Naggari*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Holoprosencephaly (HPE) is a developmental defect of the embryonic forebrain and midface. It is due to the non-cleavage of the embryonic forebrain into two cerebral hemispheres and the incomplete development of the paramedian structures. The overall prevalence is 1.31 per 10,000 births. The aetiology could be genetic, environmental, or both. HPE is classified into alobar, semilobar, and lobar subtypes based on the degree of separation of the cerebral hemispheres. We report two new cases of semilobar HPE with neurogenic hypernatraemia. Lack of thirst and hypodypsia associated with chronic hypernatraemia in patients with HPE is highly suggestive of neurogenic hypernatraemia. Early identification of neurogenic hypernatraemia is important as it improves with forced fluid therapy and does not require any medication.

Original languageEnglish
Pages (from-to)463-466
Number of pages4
JournalSultan Qaboos University Medical Journal
Issue number3
Publication statusPublished - Aug 2013


  • Case Report
  • Holoprosencephaly
  • Hypernatremia
  • Hypodipsia
  • Malformations
  • Midline
  • Neurogenic
  • Oman
  • Semilobar holoprosencephaly

ASJC Scopus subject areas

  • General Medicine


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