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Case Reports
. 2017 Oct 23:2017:bcr2017220211.
doi: 10.1136/bcr-2017-220211.

Rhomboencephalosynapsis

Stephanie Arrigo  1 , Reuben Grech  1
Affiliations
Case Reports

Rhomboencephalosynapsis

Stephanie Arrigo et al. BMJ Case Rep. .
No abstract available

Keywords: Brain Stem / Cerebellum; Hydrocephalus; Neuroimaging; Radiology.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
Axial T2-weighted images through the posterior fossa demonstrate fusion of the cerebellar hemispheres, with transversely oriented inferior cerebellar folia (panel A). The caudal cerebellar vermis is deficient (panel B). Note the abnormally shaped 4th ventricle which assumes a ‘key hole’ shape (panel B). The radiological features are consistent with rhombencephalosynapsis.
Figure 2
Figure 2
Coronal T1-weighted images confirm deficiency of the caudal vermis resulting in fusion of the cerebellar hemispheres (panel A). The cerebellar folia are noted to be horizontally oriented (panel B). Incidental note is also made of established bilateral parieto-occipital infarcts, the cause of which could not be identified.
See this image and copyright information in PMC

References

    1. Fcy L, Barnes PD. A Case Report of Rhombencephalosynapsis. HK J Paediatr 2006;11:157–9.
    1. Mendonca JL, Natal MR, Viana SL, et al. . Rhombencephalosynapsis: CT and MRI findings. Neurol India 2004;52:118–20. - PubMed

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