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Keywords:

  • pituitary adenomas;
  • familial isolated pituitary adenomas;
  • AIP gene

Abstract

According to autopsy and radiological data, pituitary adenomas (PAs) develop in approximately 15% to 20% of the population. The great majority of PAs arise sporadically and affect adults. Rarely they are diagnosed in children and adolescents. Approximately 5% of cases are thought to be familial. Inherited conditions associated with pituitary tumors include multiple endocrine neoplasia type 1 (MEN-1) and type 4 (MEN-4), (CNC) Carney Complex, and familial isolated PA (FIPA) syndrome. FIPA is an autosomal dominant condition, defined by the presence of two or more patients affected by PAs in the same kindred, and no other associated condition. Germline mutations of the aryl hydrocarbon receptor interacting protein gene located on chromosome 11q13 have been reported in 15%–40% of FIPA cases. In the remaining cases, genetic defect are unidentified. This article focuses on FIPA clinical, pathological, genetic features, and therapeutic management. Clin Trans Sci 2011; Volume 4: 55–62