Diandric triploidy = extra set is paternal (more common)
Digynic triploidy = extra set is maternal
IMAGING
General Features
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Pan M et al: Early prenatal detection of triploidy: a 9-year experience in mainland China. J Matern Fetal Neonatal Med. 1-5, 2019
Massalska D et al: Triploidy - variability of sonographic phenotypes. Prenat Diagn. 37(8):774-80, 2017
Shaaban AM et al: Gestational trophoblastic disease: clinical and imaging features. Radiographics. 37(2):681-700, 2017
Fleischer J et al: Digynic triploidy: utility and challenges of noninvasive prenatal testing. Clin Case Rep. 3(6):406-10, 2015
Wagner P et al: First-trimester screening for trisomy 18, 13, triploidy and Turner syndrome by a detailed early anomaly scan. Ultrasound Obstet Gynecol. 48(4):446-451, 2015
Joergensen MW et al: Triploid pregnancies: genetic and clinical features of 158 cases. Am J Obstet Gynecol. 211(4):370.e1-19, 2014
Nicolaides KH et al: Prenatal detection of fetal triploidy from cell-free DNA testing in maternal blood. Fetal Diagn Ther. 35(3):212-7, 2014
Lakovschek IC et al: Natural outcome of trisomy 13, trisomy 18, and triploidy after prenatal diagnosis. Am J Med Genet A. 155A(11):2626-33, 2011
McWeeney DT et al: Pregnancy complicated by triploidy: a comparison of the three karyotypes. Am J Perinatol. 26(9):641-5, 2009
Kagan KO et al: Screening for triploidy by the risk algorithms for trisomies 21, 18 and 13 at 11 weeks to 13 weeks and 6 days of gestation. Prenat Diagn. 28(13):1209-13, 2008
Blaicher W et al: Dandy-Walker malformation as sonographic marker for fetal triploidy. Ultraschall Med. 23(2):129-33, 2002
Giannattasio M et al: Preeclampsia and fetal triploidy: a rarely reported association in nephrologic literature. J Nephrol. 15(1):74-8, 2002
Daniel A et al: Karyotype, phenotype and parental origin in 19 cases of triploidy. Prenat Diagn. 21(12):1034-48, 2001
Genest DR: Partial hydatidiform mole: clinicopathological features, differential diagnosis, ploidy and molecular studies, and gold standards for diagnosis. Int J Gynecol Pathol. 20(4):315-22, 2001
Spencer K et al: Screening for triploidy by fetal nuchal translucency and maternal serum free beta-hCG and PAPP-A at 10-14 weeks of gestation. Prenat Diagn. 20(6):495-9, 2000
Related Anatomy
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
TERMINOLOGY
Synonyms
Partial mole
Definitions
69 chromosomes (entire extra haploid set)
Diandric triploidy = extra set is paternal (more common)
Digynic triploidy = extra set is maternal
IMAGING
General Features
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Pan M et al: Early prenatal detection of triploidy: a 9-year experience in mainland China. J Matern Fetal Neonatal Med. 1-5, 2019
Massalska D et al: Triploidy - variability of sonographic phenotypes. Prenat Diagn. 37(8):774-80, 2017
Shaaban AM et al: Gestational trophoblastic disease: clinical and imaging features. Radiographics. 37(2):681-700, 2017
Fleischer J et al: Digynic triploidy: utility and challenges of noninvasive prenatal testing. Clin Case Rep. 3(6):406-10, 2015
Wagner P et al: First-trimester screening for trisomy 18, 13, triploidy and Turner syndrome by a detailed early anomaly scan. Ultrasound Obstet Gynecol. 48(4):446-451, 2015
Joergensen MW et al: Triploid pregnancies: genetic and clinical features of 158 cases. Am J Obstet Gynecol. 211(4):370.e1-19, 2014
Nicolaides KH et al: Prenatal detection of fetal triploidy from cell-free DNA testing in maternal blood. Fetal Diagn Ther. 35(3):212-7, 2014
Lakovschek IC et al: Natural outcome of trisomy 13, trisomy 18, and triploidy after prenatal diagnosis. Am J Med Genet A. 155A(11):2626-33, 2011
McWeeney DT et al: Pregnancy complicated by triploidy: a comparison of the three karyotypes. Am J Perinatol. 26(9):641-5, 2009
Kagan KO et al: Screening for triploidy by the risk algorithms for trisomies 21, 18 and 13 at 11 weeks to 13 weeks and 6 days of gestation. Prenat Diagn. 28(13):1209-13, 2008
Blaicher W et al: Dandy-Walker malformation as sonographic marker for fetal triploidy. Ultraschall Med. 23(2):129-33, 2002
Giannattasio M et al: Preeclampsia and fetal triploidy: a rarely reported association in nephrologic literature. J Nephrol. 15(1):74-8, 2002
Daniel A et al: Karyotype, phenotype and parental origin in 19 cases of triploidy. Prenat Diagn. 21(12):1034-48, 2001
Genest DR: Partial hydatidiform mole: clinicopathological features, differential diagnosis, ploidy and molecular studies, and gold standards for diagnosis. Int J Gynecol Pathol. 20(4):315-22, 2001
Spencer K et al: Screening for triploidy by fetal nuchal translucency and maternal serum free beta-hCG and PAPP-A at 10-14 weeks of gestation. Prenat Diagn. 20(6):495-9, 2000
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