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[Morphological changes in triploidy in human ontogeny]
Arkhiv Anatomii, Gistologii I Embriologii
|September 1, 1975
Summary
Triploidy, a chromosomal disorder, presents consistent morphological changes like body asymmetry and syndactyly. These features aid in diagnosing triploidy, distinguishing it from conditions like molar pregnancies.
Area of Science:
- Genetics
- Developmental Biology
- Pathology
Context:
- Analysis of cytological and morphological data from spontaneous abortuses, fetuses, infants, and literature cases of triploidy.
- Investigated phenotypic manifestations and associated anomalies in triploid individuals.
Purpose:
- To identify consistent morphological changes indicative of triploidy.
- To differentiate triploidy from other chromosomal disorders and conditions with similar presentations, such as molar pregnancies.
Summary:
- Triploidy (69 chromosomes) exhibits characteristic dysplasias including body asymmetry, syndactyly (III-IV fingers/toes), and nervous/genito-urinary system anomalies.
- Hydropic degeneration of chorion villi in 85% of triploidy cases resembles true molar mole but differs cytogenetically and morphofunctionally.
Impact:
- Establishes a recognizable syndrome for triploidy in humans, improving diagnostic probability.
- Highlights crucial cytogenetic and morphofunctional distinctions between triploidy with hydropic degeneration and true molar mole.