Genetic predisposition to peripheral nerve neoplasia: Diagnostic criteria and pathogenesis of neurofibromatoses, Carney complex, and related syndromes

Fausto J Rodriguez, Constantine A. Stratakis, D. Gareth Evans

Research output: Contribution to journalArticle

Abstract

Neoplasms of the peripheral nerve sheath represent essential clinical manifestations of the syndromes known as the neurofibromatoses. Although involvement of multiple organ systems, including skin, central nervous system, and skeleton, may also be conspicuous, peripheral nerve neoplasia is often the most important and frequent cause of morbidity in these patients. Clinical characteristics of neurofibromatosis type 1 (NF1) and neurofibromatosis type 2 (NF2) have been extensively described and studied during the last century, and the identification of mutations in the NF1 and NF2 genes by contemporary molecular techniques have created a separate multidisciplinary field in genetic medicine. In schwannomatosis, the most recent addition to the neurofibromatosis group, peripheral nervous system involvement is the exclusive (or almost exclusive) clinical manifestation. Although the majority of cases of schwannomatosis are sporadic, approximately one-third occur in families and a subset of these has recently been associated with germline mutations in the tumor suppressor gene SMARCB1/INI1. Other curious syndromes that involve the peripheral nervous system are associated with predominant endocrine manifestations, and include Carney complex and MEN2b, secondary to inactivating mutations in the PRKAR1A gene in a subset, and activating mutations in RET, respectively. In this review, we provide a concise update on the diagnostic criteria, pathology and molecular pathogenesis of these enigmatic syndromes in relation to peripheral nerve sheath neoplasia.

Original languageEnglish (US)
Pages (from-to)349-367
Number of pages19
JournalActa Neuropathologica
Volume123
Issue number3
DOIs
StatePublished - Mar 2012

Fingerprint

Carney Complex
Neurofibromatoses
Neurofibromatosis 1
Genetic Predisposition to Disease
Peripheral Nerves
Neurofibromatosis 2
Peripheral Nervous System
Mutation
Neoplasms
Neurofibromatosis 2 Genes
Peripheral Nervous System Neoplasms
Multiple Endocrine Neoplasia Type 2b
Nerve Sheath Neoplasms
Molecular Pathology
Germ-Line Mutation
Tumor Suppressor Genes
Skeleton
Central Nervous System
Medicine
Morbidity

Keywords

  • Carney complex
  • Multiple endocrine neoplasia
  • Neurofibroma
  • Neurofibromatosis
  • NF1
  • NF2
  • Schwannoma
  • Schwannomatosis

ASJC Scopus subject areas

  • Clinical Neurology
  • Pathology and Forensic Medicine
  • Cellular and Molecular Neuroscience

Cite this

Genetic predisposition to peripheral nerve neoplasia : Diagnostic criteria and pathogenesis of neurofibromatoses, Carney complex, and related syndromes. / Rodriguez, Fausto J; Stratakis, Constantine A.; Evans, D. Gareth.

In: Acta Neuropathologica, Vol. 123, No. 3, 03.2012, p. 349-367.

Research output: Contribution to journalArticle

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