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Related Concept Videos

Teratogenicity01:07

Teratogenicity

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The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
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Neonatal Germ Cell Tumors.

John A Sandoval1, Regan F Williams

  • 1Department of Surgery, St. Jude Children's Research Hospital, MS 332, 262 Danny Thomas Place, Memphis, TN 38105-3678, USA. John.Sandoval@stjude.org.

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Germ cell tumors (GCTs) are the most common neonatal neoplasms. This review covers the postnatal management of these tumors, focusing on sacrococcygeal teratomas (SCTs), with an excellent prognosis for most patients.

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Area of Science:

  • Neonatal oncology
  • Developmental biology
  • Surgical pathology

Background:

  • Germ cell tumors (GCTs) are the most frequent neoplasms in neonates, excluding hemangiomas.
  • Extragonadal GCTs (EGCTs), particularly sacrococcygeal teratomas (SCTs), are the most common type in this age group.
  • Antenatal ultrasonography aids in the early detection of these tumors.

Purpose of the Study:

  • To provide a comprehensive overview of the postnatal management of neonatal GCTs.
  • To explore the embryological origins, histopathology, and diagnostic features of these tumors.
  • To discuss treatment strategies and potential long-term effects of therapies for malignant GCTs.

Main Methods:

  • Review of existing literature on neonatal GCTs.
  • Analysis of embryological development, histopathology, and biomarkers.
  • Examination of clinical presentations, diagnostic modalities, and treatment approaches.

Main Results:

  • Neonatal GCTs exhibit significant histological diversity, ranging from benign to malignant types.
  • SCTs present as sacrococcygeal masses, with prognosis dependent on resection, diagnosis timing, and malignancy.
  • The majority of neonatal GCT patients have an excellent prognosis.

Conclusions:

  • Postnatal management of neonatal GCTs is crucial for optimal outcomes.
  • Understanding the diverse nature of GCTs informs diagnosis and treatment.
  • Long-term effects of treatments for malignant GCTs warrant consideration.