Is McCune-Albright syndrome overlooked in subjects with fibrous dysplasia of bone?

Tamara Hannon, Ken Noonan, Rosemary Steinmetz, Erica Eugster, Michael A. Levine, Ora Hirsch Pescovitz

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Objective: McCune-Albright syndrome (MAS) is characterized by a clinical triad of endocrinopathies, café au lait pigmentation, and polyostotic fibrous dysplasia of bone. We hypothesized that children diagnosed with fibrous dysplasia are not routinely being evaluated for coexisting endocrine dysfunction or MAS. Our objective was to prospectively screen subjects with fibrous dysplasia for endocrine disease and Gsα gene (GNAS1)-activating mutations. Study design: Nine subjects who presented with fibrous dysplasia and were followed in orthopedic clinics were evaluated for other manifestations of MAS. Genomic DNA was isolated from blood, and mutation analysis of GNAS1 was performed. Results: On physical examination, 5 of 9 subjects were found to have café au lait pigmentation. Three of 9 subjects had TSH levels below the normal range. One of these subjects was found to have hyperthyroidism and was treated by total thyroidectomy. GNAS1 mutations were identified in 5 of 9 subjects with either monostotic or polyostotic fibrous dysplasia of bone. Conclusions: We conclude that a substantial proportion of children being followed for fibrous dysplasia of bone have unrecognized clinical and laboratory features of MAS. These children are at risk for endocrinopathy and should be screened accordingly.

Original languageEnglish
Pages (from-to)532-538
Number of pages7
JournalJournal of Pediatrics
Volume142
Issue number5
DOIs
StatePublished - May 1 2003

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Fibrous Dysplasia of Bone
Polyostotic Fibrous Dysplasia
Pigmentation
Mutation
Monostotic Fibrous Dysplasia
Endocrine System Diseases
Thyroidectomy
Hyperthyroidism
Physical Examination
Orthopedics
Reference Values
DNA

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Is McCune-Albright syndrome overlooked in subjects with fibrous dysplasia of bone? / Hannon, Tamara; Noonan, Ken; Steinmetz, Rosemary; Eugster, Erica; Levine, Michael A.; Pescovitz, Ora Hirsch.

In: Journal of Pediatrics, Vol. 142, No. 5, 01.05.2003, p. 532-538.

Research output: Contribution to journalArticle

Hannon, Tamara ; Noonan, Ken ; Steinmetz, Rosemary ; Eugster, Erica ; Levine, Michael A. ; Pescovitz, Ora Hirsch. / Is McCune-Albright syndrome overlooked in subjects with fibrous dysplasia of bone?. In: Journal of Pediatrics. 2003 ; Vol. 142, No. 5. pp. 532-538.
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