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Related Experiment Videos

Combined chemotherapy and teratogenicity.

Giorgio Adriano Paskulin1, Paulo Ricardo Gazzola Zen, Louise Lapagesse de Camargo Pinto

  • 1Disciplina de Genética Clínica e Programa de Pós-Graduação em Patologia, Fundação Faculdade Federal de Ciências Médicas de Porto Alegre, Porto Alegre, Brazil. paskulin@fffcmpa.tche.br

Birth Defects Research. Part A, Clinical and Molecular Teratology
|August 17, 2005
PubMed
Summary

Maternal chemotherapy during pregnancy for breast cancer can cause birth defects. Fetal exposure to drugs like cyclophosphamide, 5-fluorouracil, and adriamycin may lead to limb and craniofacial malformations.

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Area of Science:

  • Obstetrics and Gynecology
  • Pediatric Oncology
  • Teratology

Background:

  • Concomitant breast cancer and pregnancy is rare.
  • Maternal chemotherapy poses risks to fetal development.
  • This case highlights previously undescribed associations.

Observation:

  • Patient exposed in utero to cyclophosphamide, 5-fluorouracil, and adriamycin during the first trimester.
  • Observed anomalies include syndactyly, cleft hands, absent distal phalanges, high-arched palate, microcephaly, and deficient growth.
  • These malformations occurred despite maternal breast cancer treatment.

Findings:

  • In utero exposure to chemotherapy agents resulted in significant congenital malformations.
  • Malformations were highly variable, with craniofacial and limb anomalies being most common.

Related Experiment Videos

  • The pattern of malformations correlated with the timing and duration of drug exposure.

    • Implications:

    • Effective contraception is crucial for women of reproductive age undergoing chemotherapy.
    • Understanding teratogenic risks is vital for managing pregnancy in cancer patients.
    • This case underscores the importance of teratogen counseling and risk management.