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Neurosurgical implications of Carney complex.

AbstractOBJECT:
The authors present their neurosurgical experience with Carney complex. Carney complex, characterized by spotty skin pigmentation, cardiac myxomas, primary pigmented nodular adrenocortical disease, pituitary tumors, and nerve sheath tumors (NSTs), is a recently described, rare, autosomal-dominant familial syndrome that is relatively unknown to neurosurgeons. Neurosurgery is required to treat pituitary adenomas and a rare NST, the psammomatous melanotic schwannoma (PMS), in patients with Carney complex. Cushing's syndrome, a common component of the complex, is caused by primary pigmented nodular adrenocortical disease and is not secondary to an adrenocorticotropic hormone-secreting pituitary adenoma.
METHODS:
The authors reviewed 14 cases of Carney complex, five from the literature and nine from their own experience. Of the 14 pituitary adenomas recognized in association with Carney complex, 12 developed growth hormone (GH) hypersecretion (producing gigantism in two patients and acromegaly in 10), and results of immunohistochemical studies in one of the other two were positive for GH. The association of PMSs with Carney complex was established in 1990. Of the reported tumors, 28% were associated with spinal nerve sheaths. The spinal tumors occurred in adults (mean age 32 years, range 18-49 years) who presented with pain and radiculopathy. These NSTs may be malignant (10%) and, as with the cardiac myxomas, are associated with significant rates of morbidity and mortality.
CONCLUSIONS:
Because of the surgical comorbidity associated with cardiac myxoma and/or Cushing's syndrome, recognition of Carney complex has important implications for perisurgical patient management and family screening. Study of the genetics of Carney complex and of the biological abnormalities associated with the tumors may provide insight into the general pathobiological abnormalities associated with the tumors may provide insight into the general pathobiological features of pituitary adenomas and NSTs.
AuthorsJ C Watson, C A Stratakis, P K Bryant-Greenwood, C A Koch, L S Kirschner, T Nguyen, J A Carney, E H Oldfield
JournalJournal of neurosurgery (J Neurosurg) Vol. 92 Issue 3 Pg. 413-8 (Mar 2000) ISSN: 0022-3085 [Print] United States
PMID10701527 (Publication Type: Case Reports, Journal Article, Review)
Topics
  • Acromegaly (diagnosis, genetics, surgery)
  • Adenoma (diagnosis, genetics, surgery)
  • Adolescent
  • Adult
  • Chromosome Aberrations (genetics)
  • Chromosome Disorders
  • Cushing Syndrome (diagnosis, genetics, surgery)
  • Female
  • Genes, Dominant (genetics)
  • Humans
  • Male
  • Middle Aged
  • Neoplastic Syndromes, Hereditary (diagnosis, genetics, surgery)
  • Neurilemmoma (diagnosis, genetics, surgery)
  • Peripheral Nervous System Neoplasms (diagnosis, genetics, surgery)
  • Pituitary Neoplasms (diagnosis, genetics, surgery)
  • Spinal Nerve Roots (pathology, surgery)
  • Syndrome

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