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Updated: May 28, 2026

Isolation and Expansion of Mesenchymal Stem/Stromal Cells Derived from Human Placenta Tissue
Published on: June 6, 2016
Placental mesenchymal dysplasia
Gregory W Woo1, Frederico G Rocha, Maria Gaspar-Oishi
1Department of Obstetrics, Gynecology and Women's Health, University of Hawaii, John A. Burns School of Medicine, Honolulu, HI, USA. gregorywwoo@gmail.com
Placental mesenchymal dysplasia, a benign condition, can mimic molar pregnancy on ultrasound. Conservative management is advised for cases with a normal fetus and cystic placenta, leading to favorable outcomes.
Area of Science:
- Obstetrics and Gynecology
- Fetal Medicine
- Pathology
Background:
- Placental mesenchymal dysplasia (PMD) is a rare placental anomaly.
- It can be misdiagnosed as molar pregnancy due to similar ultrasound and gross pathological features.
Observation:
- This case involved a singleton fetus with a normal appearance.
- The placenta exhibited a cystic appearance, suggestive of PMD.
Findings:
- The diagnosis of placental mesenchymal dysplasia was confirmed.
- Despite initial concerns for molar pregnancy, the condition was managed conservatively.
Implications:
- Accurate differentiation between PMD and molar pregnancy is crucial for appropriate management.
- Conservative management can lead to favorable outcomes in selected cases of PMD.
- This case highlights the importance of careful evaluation in placental pathology.
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