Connatal cyst

Case contributed by Dr Cali Rose Lubrant

Presentation

Discovered on routine intraventricular hemorrhage (IVH) screening.

Patient Data

Age: 29 days
Gender: Female
Ultrasound

Bilateral connatal cysts. The ventricles are normal in volume and symmetry with no evidence of intracranial hemorrhage.

The brain is normal in parenchymal echotexture and architecture. No mass effect or midline shift is seen. The posterior fossa is within normal limits.

Impression: No intracranial hemorrhage seen. Normal ventricular size. Stable bilateral connatal cysts.

Case Discussion

Connatal cysts are cystic lesions adjacent to the superolateral margins of the body and/or frontal horns of the lateral ventricles. Although previously considered to represent an ischemic insult, they are now considered to represent a normal variant. Connatal cysts have a reported incidence of 0.7% in pre-term low birth weight infants and usually resolve on follow up imaging.

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Case information

rID: 63825
Published: 28th Oct 2018
Last edited: 14th Aug 2019
Tag: neonate
Inclusion in quiz mode: Included
Institution: MedStar Georgetown University Hospital

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