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Germ Cell Tumors in Dysgenetic Gonads
Mauri José Piazza1, Almir Antonio Urbanetz1
1Departamento de TocoGinecologia, Universidade Federal do Parana, Curitiba, PR, BR.
Clinics (Sao Paulo, Brazil)
|November 14, 2019
Summary
Malignant germ cell tumors are more common in gonadal dysgenesis due to chromosomal anomalies. Gonadoblastoma is the most frequent, but other rare tumors can occur, especially in abdominal locations.
Area of Science:
- Reproductive Medicine
- Oncology
- Genetics
Background:
- Gonadal dysgenesis is associated with an increased risk of germ cell tumors.
- Malignant germ cell neoplasms are a significant concern in individuals with gonadal dysgenesis.
Purpose of the Study:
- To review the incidence and characteristics of germ cell tumors in gonadal dysgenesis.
- To evaluate the circumstances surrounding these specific tumors.
Main Methods:
- A systematic review of PubMed and Medline databases was conducted.
- Studies were selected based on high-quality data and relevance to gonadal dysgenesis and germ cell tumors.
- Search terms included "gonadal dysgenesis," "ovarian germ cell tumors," and "germ cell neoplasia."
Main Results:
- Gonadoblastoma is the most common germ cell neoplasm in gonadal dysgenesis.
- Dysgerminomas, yolk-sac tumors, and teratomas are rare but can occur.
- Increased incidence is linked to chromosomal anomalies, particularly involving the Y chromosome or specific genes.
Conclusions:
- Germ cell tumors in gonadal dysgenesis are often associated with chromosomal abnormalities.
- The location of tumors within the abdomen may influence incidence.
- Further research into genetic factors is warranted.
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