1 From the Department of Pediatrics, Stanford University Medical School, Palo Alto, California, and Department of Pediatrics I, Center of Pediatrics, Johann Wolfgang Goethe University, Frankfurt, Federal Republic of Germany
Two cases of coexistent cystic fibrosis and infantile thoracic neuroblastoma are presented. In one patient, neuroblastoma was congenital, and diagnosis of cystic fibrosis was made at 3 months of age; in the other, the diagnosis of cystic fibrosis was made at 7 months of age, preceding that of neuroblastoma by 4 months. In both infants, surgical resection of the tumors have been successful. Recent advances in the genetic aspects of neuroblastoma, including translocation and activation of the oncogene N-myc, are discussed. Current recombinant DNA technology, which can identify translocation of N-myc and allow localization of the cystic fibrosis gene if the translocation occurs near the cystic fibrosis allele, is being applied to these cases.
Key Words: cystic fibrosis neuroblastoma oncogene
Accepted on December 12, 1984
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