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Placental calcium pump: clinical-based evidence
John M Kasznica1, Eugen B Petcu
1Mallory Institute of Pathology, Boston University School of Medicine, Boston, Massachusetts, USA.
Pediatric Pathology & Molecular Medicine
|May 15, 2003
Summary
Placental calcification, typically seen after fetal death, was observed in a living fetus with heart abnormalities. This suggests impaired fetal circulation may cause calcium buildup in the placenta.
Area of Science:
- Obstetrics and Gynecology
- Fetal Development
- Mineral Metabolism
Background:
- The placenta is crucial for fetal calcium supply.
- Placental basement membrane calcification is usually associated with fetal demise.
- The role of placental calcium deposition in living fetuses is poorly understood.
Observation:
- A case of placental calcification was identified in a living fetus.
- The fetus, from a 21-year-old mother, had cardiac abnormalities.
- Histology revealed calcific incrustations within placental villi and basement membranes.
Findings:
- The study identified intravillous and basement membrane calcifications in the placenta of a living fetus.
- Genetic analysis confirmed a normal male karyotype.
- The observed calcification pattern differs from that typically seen in fetal death.
Implications:
- This finding challenges the notion that placental calcification only occurs post-mortem.
- Impaired fetal circulation is hypothesized as a cause for calcium deposition.
- Further research is needed to understand the clinical significance and management of placental calcification in living fetuses.