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Related Experiment Videos

Partial hydatidiform moles: deoxyribonucleic acid content and course.

J R Davis1, D P Kerrigan, D L Way

  • 1Department of Pathology, Arizona Health Sciences Center, Tucson 85724.

American Journal of Obstetrics and Gynecology
|October 1, 1987
PubMed
Summary

Partial moles can be diploid or triploid. Triploid partial moles showed no complications, while diploid cases had a 20% sequelae rate, highlighting the importance of genetic classification for risk assessment.

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Plant disease·2019

Area of Science:

  • Reproductive Medicine
  • Genetics
  • Gynecologic Oncology

Background:

  • Partial moles are classified by chromosomal number, either diploid (46 chromosomes) or triploid (69 chromosomes).
  • Accurate classification is crucial for risk assessment and management of potential complications.

Purpose of the Study:

  • To evaluate the correlation between ploidy in partial moles and the occurrence of complications.
  • To assess the utility of deoxyribonucleic acid (DNA) cell cycle fractions and proliferation index in predicting complications in diploid partial moles.

Main Methods:

  • Ploidy was determined using flow cytometry for nuclear DNA quantitation in 35 partial mole cases.
  • Follow-up data was analyzed to identify complications such as persistent mole, metastasis, choriocarcinoma, and placental site trophoblastic tumor.

Related Experiment Videos

  • Deoxyribonucleic acid cell cycle fractions and proliferation index were calculated for diploid cases.

    • Main Results:

    • Out of 35 cases, 17% were triploid and 83% were diploid.
    • No complications were observed in the triploid group.
    • Twenty percent of diploid cases with evaluable follow-up experienced nonfatal sequelae, including persistent mole requiring treatment and chemotherapy for advanced disease.
    • A proliferation index greater than 3.6 demonstrated high sensitivity (100%) and specificity (95%) in distinguishing cases with sequelae from uncomplicated cases.

    Conclusions:

    • A combined morphologic and genetic classification of partial moles is recommended for improved identification and risk stratification.
    • Deoxyribonucleic acid cell cycle fractions, particularly the proliferation index, can aid in identifying diploid partial mole patients at high risk for complications.