Items tagged “fetal mri”
3 results found
Vermian maturity assessment (approach)
Radiological evaluation of the posterior fossa is an essential part of the routine fetal assessment, including vermian maturity assessment. Radiographic features Ultrasonography is a readily available diagnostic tool in the assessment of the fetal posterior fossa but is sometimes limited due t...
Tilted telephone receiver sign
The tilted telephone receiver sign (TTRS) has been described as a specific imaging feature of PHACES syndrome in fetal MRI 1 On the coronal plane, the TTRS sign is described as: upward displaced unilateral hypoplastic cerebellar hemisphere; asymmetric dilated 4th ventricle connected to as ips...
The tail sign has been described as being specific to Dandy-Walker malformation in fetal MRI.1 It is described as a linear T2 hypointensity in the inferior part of the vermis. Histologically, it corresponds to a thickness of the fourth ventricle roof that appears raised and dysplastic.1 The sp...