Der(16)t(1;16)(q21;q13) in Wilms' tumor: friend or foe

Medical and Pediatric Oncology
P MathewD N Shapiro

Abstract

The der(16)t(1;16)(q21;q13) chromosomal abnormality has been reported rarely in Wilms' tumor. This abnormality has also been found in several other pediatric and adult neoplasms, and may imply a poor prognosis in at least some of these solid tumors. To investigate its clinical significance in Wilms' tumor, we examined the records of 65 consecutive children with Wilms' tumor whose tumor cells were successfully karyotyped. The t(1;16) was present in seven patients (10%) whose ages ranged from 2.5 to 4.7 years (median 3.5 years) at diagnosis. Six of the seven patients were female. All four stages of Wilms' tumor were represented (two patients had stage IV disease). No patient had bilateral disease. All tumors were of "favorable histology." All seven patients are alive and off therapy with a median follow-up of 3.2 years (range, 2 to 8.5 years). One patient with this abnormality developed brain metastases within 4 months of completion of therapy. Comparison of these patients with the remaining 58 Wilms' tumor patients revealed no significant differences with regard to disease stage, histology, survival, or relapse-free survival. Cytogenetic evidence of der(16)t(1;16)(q21;q13) in Wilms' tumor does not appear to portend an adverse cl...Continue Reading

References

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Citations

Sep 17, 2013·Genes, Chromosomes & Cancer·H SegersUNKNOWN Children's Cancer and Leukaemia Group and the UK Cancer Cytogenetics Group
Mar 12, 2005·Genes, Chromosomes & Cancer·E Cristy RuteshouserVicki Huff

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