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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
Mega cisterna magna (MCM)
Definitions
Cisterna magna measuring > 10 mm
IMAGING
General Features
Ultrasonographic Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
D'Antonio F et al: Systematic review and meta-analysis of isolated posterior fossa malformations on prenatal ultrasound: nomenclature, diagnostic accuracy and associated anomalies. Ultrasound Obstet Gynecol. ePub, 2015
Ghali R et al: Perinatal and short-term neonatal outcomes of posterior fossa anomalies. Fetal Diagn Ther. 35(2):108-17, 2014
Gandolfi Colleoni G et al: Prenatal diagnosis and outcome of fetal posterior fossa fluid collections. Ultrasound Obstet Gynecol. 39(6):625-31, 2012
Patek KJ et al: Posterior fossa anomalies diagnosed with fetal MRI: associated anomalies and neurodevelopmental outcomes. Prenat Diagn. 32(1):75-82, 2012
Bolduc ME et al: Neurodevelopmental outcomes in children with cerebellar malformations: a systematic review. Dev Med Child Neurol. 51(4):256-67, 2009
Tao G et al: Sex-related differences in the anteroposterior diameter of the foetal cisterna magna. Clin Radiol. 63(9):1015-8, 2008
Koktener A et al: The cisterna magna size in normal second-trimester fetuses. J Perinat Med. 35(3):217-9, 2007
Robinson AJ et al: The cisterna magna septa: vestigial remnants of Blake's pouch and a potential new marker for normal development of the rhombencephalon. J Ultrasound Med. 26(1):83-95, 2007
Zimmer EZ et al: Clinical significance of isolated mega cisterna magna. Arch Gynecol Obstet. 276(5):487-90, 2007
Long A et al: Outcome of fetal cerebral posterior fossa anomalies. Prenat Diagn. 26(8):707-10, 2006
Serhatlioglu S et al: Sonographic measurement of the fetal cerebellum, cisterna magna, and cavum septum pellucidum in normal fetuses in the second and third trimesters of pregnancy. J Clin Ultrasound. 31(4):194-200, 2003
Haimovici JA et al: Clinical significance of isolated enlargement of the cisterna magna (> 10 mm) on prenatal sonography. J Ultrasound Med. 16(11):731-4; quiz 735-6, 1997
Nyberg DA et al: Prenatal sonographic findings of trisomy 18: review of 47 cases. J Ultrasound Med. 12(2):103-13, 1993
Nyberg DA et al: Enlarged cisterna magna and the Dandy-Walker malformation: factors associated with chromosome abnormalities. Obstet Gynecol. 77(3):436-42, 1991
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
Mega cisterna magna (MCM)
Definitions
Cisterna magna measuring > 10 mm
IMAGING
General Features
Ultrasonographic Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
D'Antonio F et al: Systematic review and meta-analysis of isolated posterior fossa malformations on prenatal ultrasound: nomenclature, diagnostic accuracy and associated anomalies. Ultrasound Obstet Gynecol. ePub, 2015
Ghali R et al: Perinatal and short-term neonatal outcomes of posterior fossa anomalies. Fetal Diagn Ther. 35(2):108-17, 2014
Gandolfi Colleoni G et al: Prenatal diagnosis and outcome of fetal posterior fossa fluid collections. Ultrasound Obstet Gynecol. 39(6):625-31, 2012
Patek KJ et al: Posterior fossa anomalies diagnosed with fetal MRI: associated anomalies and neurodevelopmental outcomes. Prenat Diagn. 32(1):75-82, 2012
Bolduc ME et al: Neurodevelopmental outcomes in children with cerebellar malformations: a systematic review. Dev Med Child Neurol. 51(4):256-67, 2009
Tao G et al: Sex-related differences in the anteroposterior diameter of the foetal cisterna magna. Clin Radiol. 63(9):1015-8, 2008
Koktener A et al: The cisterna magna size in normal second-trimester fetuses. J Perinat Med. 35(3):217-9, 2007
Robinson AJ et al: The cisterna magna septa: vestigial remnants of Blake's pouch and a potential new marker for normal development of the rhombencephalon. J Ultrasound Med. 26(1):83-95, 2007
Zimmer EZ et al: Clinical significance of isolated mega cisterna magna. Arch Gynecol Obstet. 276(5):487-90, 2007
Long A et al: Outcome of fetal cerebral posterior fossa anomalies. Prenat Diagn. 26(8):707-10, 2006
Serhatlioglu S et al: Sonographic measurement of the fetal cerebellum, cisterna magna, and cavum septum pellucidum in normal fetuses in the second and third trimesters of pregnancy. J Clin Ultrasound. 31(4):194-200, 2003
Haimovici JA et al: Clinical significance of isolated enlargement of the cisterna magna (> 10 mm) on prenatal sonography. J Ultrasound Med. 16(11):731-4; quiz 735-6, 1997
Nyberg DA et al: Prenatal sonographic findings of trisomy 18: review of 47 cases. J Ultrasound Med. 12(2):103-13, 1993
Nyberg DA et al: Enlarged cisterna magna and the Dandy-Walker malformation: factors associated with chromosome abnormalities. Obstet Gynecol. 77(3):436-42, 1991
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