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Citation:
Veiga M, Warner R, Moore C, Tilted telephone receiver sign. Reference article, Radiopaedia.org (Accessed on 24 Apr 2024) https://doi.org/10.53347/rID-75039
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 ipsilateral retrocerebellar cyst
- elongated oblique connection between the hemispheres formed upwardly rotated and deviated vermis merging with the contralateral cerebellar peduncle
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1. Leibovitz Z, Guibaud L, Garel C, Massoud M, Karl K, Malinger G, Haratz KK, Gindes L, Tamarkin M, Ben-Sira L, Lev D, Shalev J, Brasseur-Daudruy M, Contreras Gutierrez de Piñeres CA, Lerman-Sagie T. The cerebellar "tilted telephone receiver sign" enables prenatal diagnosis of PHACES syndrome. (2018) European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society. 22 (6): 900-909. DOI: 10.1016/j.ejpn.2018.08.006
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