ArticlePediatric radiology2021
Taenia-tela choroidea complex and choroid plexus location help distinguish Dandy-Walker malformation and Blake pouch cysts.
Article in Pediatric radiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 20 citations in OpenAlex.
- Prenatal diagnosis of infratentorial anomalies: ultrasound, fetal MRI, and implications for counseling.Pediatric radiology · 2026Review
- Comment: The fetal taenia-tela choroidea complex is frequently detectable on MRI when it is needed in the differential diagnosis of posterior fossa abnormalities.Pediatric radiology · 2026Article
- The fetal taenia-tela choroidea complex: a radiologic-pathologic correlation from normal anatomy to Dandy-Walker malformation.Pediatric radiology · 2026Article
- Radiogenomics of congenital brain malformations: Linking embryology, genetics, and imaging.Neuroradiology · 2026Review
- Utility of Biometric Measurements from Fetal Magnetic Resonance Imaging for Improved Antenatal Diagnosis of Dandy-Walker Spectrum Posterior Fossa Lesions.Diagnostics (Basel, Switzerland) · 2025Article
- Fetal imaging of posterior fossa malformations.Pediatric radiology · 2025Review
- Prenatal assessment of brain malformations on neuroimaging: an expert panel review.Brain : a journal of neurology · 2024Review
- Fetal brain MRI: neurometrics, typical diagnoses, and resolving common dilemmas.The British journal of radiology · 2023Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDandy-Walker malformation and Blake pouch cysts can have overlapping imaging features. The choroid plexus and associated taenia-tela choroidea complex are displaced inferolaterally in Dandy-Walker malformation and below the vermis in Blake pouch cysts.
objectiveTo determine the normal fetal and postnatal MR appearance of the choroid plexus and taenia-tela choroidea complex, and whether their location can help distinguish Dandy-Walker malformation from Blake pouch cysts. MATERIALS AND
methodsIn this retrospective study, we evaluated brain MR exams from normal-appearing fetuses (gestational age 19-38 weeks) and infants, fetal and postnatal exams in Blake pouch cysts and Dandy-Walker malformation, and ambiguous cases equivocal for mild Dandy-Walker malformation and Blake pouch cysts. We documented choroid plexus and the taenia-tela choroidea complex location and axial and sagittal angles in each case. Then we contrasted and compared the original and updated fetal diagnoses based on taenia-tela choroidea complex and choroid plexus positions.
resultsThe choroid plexus location and the taenia-tela choroidea complex location and angles varied significantly among normal exams, Blake pouch cyst exams and Dandy-Walker malformation exams (P<0.01). Dandy-Walker malformation showed inferolateral displacement of the taenia-tela choroidea complex and choroid plexus distant from the vermis. Adding the taenia-tela choroidea complex and choroid plexus into the assessment improved diagnostic accuracy, especially in ambiguous cases.
conclusionThe location of the taenia-tela choroidea complex and choroid plexus provided additional diagnostic neuroimaging clues that could be used in conjunction with other conventional findings to distinguish Dandy-Walker malformation and Blake pouch cysts. Normal, Blake pouch cyst, and Dandy-Walker malformation cases differed with regard to taenia-tela choroidea complex and choroid plexus position. Inferolateral taenia-tela choroidea complex displacement distant from the vermian margin was characteristic of Dandy-Walker malformation.
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