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Case Reports
. 2010 Mar;152A(3):741-7.
doi: 10.1002/ajmg.a.33296.

Vici syndrome associated with sensorineural hearing loss and evidence of neuromuscular involvement on muscle biopsy

Verity McClelland  1 , Thomas Cullup, Istvan Bodi, Deborah Ruddy, Anna Buj-Bello, Valerie Biancalana, J Boehm, Marc Bitoun, Owen Miller, Wajanat Jan, Esse Menson, Luis Amaya, John Trounce, Jocelyn Laporte, Shehla Mohammed, Caroline Sewry, Julian Raiman, Heinz Jungbluth
Affiliations
Case Reports

Vici syndrome associated with sensorineural hearing loss and evidence of neuromuscular involvement on muscle biopsy

Verity McClelland et al. Am J Med Genet A. 2010 Mar.

Abstract

Vici syndrome is a rare, genetically unresolved congenital multisystem disorder comprising agenesis of the corpus callosum, cataracts, immunodeficiency, cardiomyopathy, and hypopigmentation. An associated neuromuscular phenotype has not previously been described in detail. We report on an infant with clinical features suggestive of Vici syndrome and additional sensorineural hearing loss. Muscle biopsy revealed several changes including markedly increased variability in fiber size, increased internal nuclei, and abnormalities on Gomori trichrome and oxidative stains, raising a wide differential diagnosis including neurogenic atrophy, centronuclear myopathy (CNM) or a metabolic (mitochondrial) cytopathy. Respiratory chain enzyme studies, however, were normal and sequencing of common CNM-associated genes did not reveal any mutations. This case expands the clinical spectrum of Vici syndrome and indicates that muscle biopsy ought to be considered in infants presenting with suggestive clinical features. In addition, we suggest that Vici syndrome is considered in the differential diagnosis of infants presenting with congenital callosal agenesis and that additional investigation has to address the possibility of associated ocular, auditory, cardiac, and immunologic involvement when this radiologic finding is present.

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