X-linked hereditary hemihypotrophy hemiparesis hemiathetosis

James Reese, Kimberly A. Aldinger, William B. Dobyns, Karen W. Gripp

Research output: Contribution to journalArticlepeer-review

Abstract

Hereditary hemihypotrophy hemiparesis hemiathetosis syndrome (HHHH; OMIM 306960) was first reported in a family with congenital left hemiplegia in two males and moderately affected females. We describe a family with three males demonstrating congenital right hemiplegia with porencephalic lesions of the left internal capsule and putamen, or the periventricular white matter just above the internal capsule. Clinical findings within each family are limited to the same side, though sidedness differed between families. Both pedigrees were most consistent with X-linked inheritance. Genome-wide linkage analysis in our family further supports a locus for HHHH on chromosome X.

Original languageEnglish (US)
Pages (from-to)2727-2730
Number of pages4
JournalAmerican Journal of Medical Genetics, Part A
Volume152
Issue number11
DOIs
StatePublished - Nov 2010
Externally publishedYes

Keywords

  • Linkage
  • Porencephaly
  • X-linked

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