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FISH for Pre-implantation Genetic Diagnosis
Published on: February 23, 2011
Hidden chromosomal abnormalities in pleuropulmonary blastomas identified by multiplex FISH
Benoit Quilichini1, Nicolas Andre, Corinne Bouvier
1Département de Génétique Médicale, CHU-Hôpital d'Enfants La Timone, Bd Jean Moulin, 13385 Marseille Cedex 5, France. Benoit.Quilichini@ap-hm.fr
BMC Cancer
|January 7, 2006
Summary
Pleuropulmonary blastoma (PPB), a rare childhood lung cancer, exhibits complex chromosomal abnormalities. Advanced molecular cytogenetics, including multicolor FISH, aids in identifying these aberrations and understanding PPB pathogenesis.
Area of Science:
- Pediatric Oncology
- Cancer Genetics
- Thoracic Neoplasms
Background:
- Pleuropulmonary blastoma (PPB) is a rare pediatric intrathoracic neoplasm.
- PPB is characterized by aggressive clinical behavior.
Observation:
- This study reports pathological and cytogenetic findings in two cases of PPB.
- Tumors were classified as type III pneumoblastoma, with similar histology at diagnosis and recurrence.
- Conventional and molecular cytogenetic techniques revealed complex chromosomal abnormalities, including TP53 gene deletion in one case.
Findings:
- Molecular cytogenetics, particularly multicolor FISH, accurately identified chromosomal aberrations in PPB.
- Cytogenetic data for PPB are scarce, highlighting the need for further research.
Implications:
- Establishing the genetic profile of PPB is crucial for comparison with other embryonal neoplasms.
- Multicolor FISH is valuable for identifying recurrent aberrations in PPB pathogenesis.
