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Pineal cysts in children

V Lacroix-Boudhrioua, A Linglart, P Y Ancel

    Insights Into Imaging
    |February 21, 2012
    PubMed

    Insights

    Pineal cysts are common in children and appear similar on MRI regardless of the reason for the scan. These benign findings are a normal variant and do not require further follow-up imaging.

    Area of Science:

    • Pediatric Radiology
    • Neuroimaging
    • Cystic Lesions

    Background:

    • Pineal cysts are frequently identified during pediatric neuroimaging.
    • Understanding their prevalence and characteristics is crucial for accurate diagnosis.

    Purpose of the Study:

    • To determine the prevalence and imaging characteristics of pineal cysts in children undergoing MRI.
    • To compare findings between children evaluated for idiopathic short stature (ISS) and central precocious puberty (CPP).

    Main Methods:

    • Retrospective monocentric study of brain MRI scans in 116 children with ISS and 56 with CPP.
    • Analysis of cyst dimensions, wall/septal thickness, signal intensity, and solid components.
    • Comparison of prevalence between groups using statistical tests (p < 0.05).

    Main Results:

    • Comparable prevalence of pineal cysts in ISS (11.2%) and CPP (10.7%) groups.
    • Most cysts (74%) had thin septations and showed no changes on follow-up.
    • No neurological signs were observed in children with pineal cysts.

    Conclusions:

    • Benign pineal cysts are a common finding in pediatric populations.
    • High-resolution MRI reveals frequent septations, indicative of a normal variant.
    • Routine follow-up MRI or contrast administration is generally unnecessary for these findings.

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