Megalencephaly and perisylvian polymicrogyria with postaxial polydactyly and hydrocephalus (MPPH): Report of a new case

L. Garavelli, E. Guareschi, S. Errico, A. Simoni, P. Bergonzini, M. Zollino, F. Gurrieri, G. M. Mancini, R. Schot, P. J. Van Der Spek, G. Frigieri, P. Zonari, E. Albertini, E. Della Giustina, S. Amarri, G. Banchini, W. B. Dobyns, G. Neri

Research output: Contribution to journalArticlepeer-review

Abstract

Megalencephaly (MEG), or enlargement of the brain, can either represent a familial variant with normal cerebral structure, or a rare brain malformation associated with developmental delay and neurological problems. MEG has been split into two subtypes: anatomical and metabolic. The latter features a build-up inside the cells owing to metabolic causes. Anatomical MEG has been detected in many different conditions, including many overgrowth syndromes. In 2004 Mirzaa et al. reported five non-consanguineous patients with a new MCA/MR syndrome characterized by severe congenital MEG with polymicrogyria (PMG), postaxial polydactyly (POLY) and hydro cephalus (HYD). The authors argued that these findings identified a new and distinct malformation syndrome, which they named MPPH. We report on a new case of MPPH, the first to be described after the original series (Mirzaa et al., 2004).

Original languageEnglish
Pages (from-to)200-203
Number of pages4
JournalNeuropediatrics
Volume38
Issue number4
DOIs
Publication statusPublished - Aug 2007

Keywords

  • Hydrocephalus
  • Megalencephaly
  • MPPH syndrome
  • Perisylvian polymicrogyria
  • Postaxial polydactyly

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Clinical Neurology

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