Atretic parietal cephalocele

Case contributed by Dr Ammar Haouimi


Midline swelling at the posterior fontanelle.

Patient Data

Age: 6 months
Gender: Male

There is a midline subgaleal cystic mass at the posterior fontanelle with intracranial extension via a calvarial defect. It appears of CSF signal on all sequences, containing some linear structures representing most likely meninges with glial and neural rests. Persistent primitive falcine vein which is vertically oriented to the subgaleal mass. The straight sinus is absent as well as the vein of Galen. High position of the tentorium cerebelli with prominence of the superior cerebellar cistern.

Case Discussion

MRI features of an atretic parietal cephalocele.

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Case information

rID: 64350
Published: 20th Nov 2018
Last edited: 21st Nov 2018
Inclusion in quiz mode: Included
Institution: Aurès Medical Imaging Center - Batna Algeria

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