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Disproportionately large communicating fourth ventricle resulting from adjustable valve shunt in an infant

Abstract

Disproportionately large communicating fourth ventricle (DLCFV) is usually experienced in adults with no previous experience of shunting. We present a case of an infant with an enlarged fourth ventricle similar to isolated fourth ventricle (IFV) which appeared after shunting. The patient’s brain stem symptoms and the abnormal appearance of the fourth ventricle were dramatically ameliorated simply by reducing the opening pressure of the adjustable valve of the ventriculo-peritoneal shunt. The present case suggests that in the present era, with adjustable or programmable valve shunt a common procedure, DLCFV may occur, at least temporarily, even in infants and even after shunting.

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Correspondence to Hiroyuki Katano.

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Katano, H., Matsuo, S. & Yamada, K. Disproportionately large communicating fourth ventricle resulting from adjustable valve shunt in an infant. Acta Neurol Belg 112, 91–93 (2012). https://doi.org/10.1007/s13760-012-0031-3

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  • DOI: https://doi.org/10.1007/s13760-012-0031-3

Keywords

  • Disproportionately large communicating fourth ventricle
  • Isolated fourth ventricle
  • Adjustable valve shunt
  • Programmable valve shunt