Copy number variation profile in noninvasive prenatal testing (NIPT) can identify co-existing maternal malignancies: Case reports and a literature review

  • Xing Ji
  • , Fang Chen
  • , Yafeng Zhou
  • , Jia Li
  • , Yuying Yuan
  • , Yu Mo
  • , Qiang Liu
  • , Jen Yu Tseng
  • , Diego Shih-Chieh Lin
  • , Shu Huei Shen
  • , Yu Liu
  • , Weiping Ye
  • , Yuen Nei Cheung
  • , Ka Yiu Yuen
  • , Siyuan Lin
  • , Meili Fu
  • , Hongyun Zhang
  • , Na Liu
  • , Jian Wang
  • , Huanming Yang
  • Yuying Wang, Shen Li, Shushu Fan, Xin Jin, Mao Mao, Pi Lin Sung

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Objective: The coexistence of maternal malignancy and pregnancy has received increasing attention in Noninvasive prenatal testing (NIPT) studies. Malignancy in pregnant women potentially affects the copy number variation (CNV) profile in NIPT results. Only one case of hematologic cancer has been reported in a Hong-Kong pregnant women, and solid tumors have never been reported in pregnant Chinese women. Case report: The patients with dysgerminoma and cervical cancer showed aberrant chromosomal aneuploidies in NIPT and concordant patterns of genome disruption in tumor tissues. The genomic aberrations in the gastric cancer patient had similar copy number variation pattern of gastric cancer. Conclusion: The findings in this study and the literature review further validate the effect of maternal malignancy on the copy number variation profile in NIPT data and strengthen the possibility of detecting malignant tumors with NIPT in the future.

Original languageEnglish
Pages (from-to)871-877
Number of pages7
JournalTaiwanese Journal of Obstetrics and Gynecology
Volume57
Issue number6
DOIs
StatePublished - Dec 2018
Externally publishedYes

Keywords

  • Copy number variation (CNV) profile
  • Massively parallel sequencing
  • Maternal malignancy
  • Multiple aneuploidies
  • Noninvasive prenatal testing (NIPT)

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