Tilted telephone receiver sign

Last revised by Roland Warner on 14 Mar 2020

Citation, DOI, disclosures and article data

Citation:

Veiga M, Warner R, Moore C, Tilted telephone receiver sign. Reference article, Radiopaedia.org (Accessed on 23 Apr 2024) https://doi.org/10.53347/rID-75039

DOI:

https://doi.org/10.53347/rID-75039

Permalink:

https://radiopaedia.org/articles/75039

rID:

75039

Article created:

13 Mar 2020, Marcos Gil Alberto da Veiga ◉

Disclosures:

At the time the article was created Marcos Gil Alberto da Veiga had no recorded disclosures.

View Marcos Gil Alberto da Veiga's current disclosures

Last revised:

14 Mar 2020, Roland Warner

Disclosures:

At the time the article was last revised Roland Warner had no recorded disclosures.

View Roland Warner's current disclosures

Revisions:

4 times, by 3 contributors - see full revision history and disclosures

Systems:

Central Nervous System

Sections:

Signs

Tags:

fetal mri

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