Diagnosis of tuberous sclerosis complex

E. Steve Roach, Steven P. Sparagana

Research output: Contribution to journalArticle

217 Citations (Scopus)

Abstract

Tuberous sclerosis complex is a dominantly inherited disorder affecting multiple organs; because of its phenotypic variability the diagnosis of tuberous sclerosis complex can be difficult in the young or in individuals with subtle findings. Recently revised consensus diagnostic criteria for tuberous sclerosis complex reflect an improved understanding of its clinical manifestations and its genetic and molecular mechanisms. The diagnostic criteria are based on the premise that there are probably no truly pathognomonic clinical signs for tuberous sclerosis complex; signs that were once regarded as specific occur as isolated findings in individuals with no other clinical or genetic evidence of tuberous sclerosis complex. Consequently, the revised criteria require tuberous sclerosis complex-associated lesions of two or more organ systems or at least two dissimilar lesions of the same organ to confirm the diagnosis. The addition of DNA testing complements clinical diagnosis and allows more precise genetic counseling and, in some individuals, prenatal diagnosis. Nevertheless, the 15% false-negative rate for DNA testing and the occurrence of germline mosaicism in about 2% of individuals with tuberous sclerosis complex make it difficult to exclude the diagnosis of tuberous sclerosis complex in family members.

Original languageEnglish (US)
Pages (from-to)643-649
Number of pages7
JournalJournal of Child Neurology
Volume19
Issue number9
StatePublished - Sep 2004

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Tuberous Sclerosis
Mosaicism
DNA
Genetic Counseling
Prenatal Diagnosis
Molecular Biology
Consensus

ASJC Scopus subject areas

  • Clinical Neurology
  • Pediatrics, Perinatology, and Child Health

Cite this

Diagnosis of tuberous sclerosis complex. / Roach, E. Steve; Sparagana, Steven P.

In: Journal of Child Neurology, Vol. 19, No. 9, 09.2004, p. 643-649.

Research output: Contribution to journalArticle

Roach, E. Steve ; Sparagana, Steven P. / Diagnosis of tuberous sclerosis complex. In: Journal of Child Neurology. 2004 ; Vol. 19, No. 9. pp. 643-649.
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