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Prevalence of Rathke cleft cysts in children on magnetic resonance imaging

B Schmidt1, F Cattin1, S Aubry2

  • 1Department of Radiology, Neuroradiology Unit, CHRU Besançon, 25030 Besançon, France.

Diagnostic and Interventional Imaging
|January 19, 2020
PubMed

Insights

Rathke cleft cysts (RCC) are more common in children than previously thought, found in 3.04% of pediatric brain MRIs. This study details their appearance and confirms reliable detection by radiologists.

Area of Science:

  • Pediatric Radiology
  • Neuroradiology
  • Neuroimaging

Background:

  • Rathke cleft cysts (RCC) are congenital cysts in the pituitary region.
  • Previous prevalence data in pediatric populations is limited.
  • Accurate identification and characterization are crucial for diagnosis.

Purpose of the Study:

  • To determine the prevalence of Rathke cleft cysts (RCC) in children using brain MRI.
  • To describe the imaging characteristics of pediatric RCC.
  • To assess interobserver agreement in RCC detection.

Main Methods:

  • Retrospective review of 460 pediatric brain MRI scans by two radiologists.
  • Analysis of RCC presence, internal content, and classification (serous vs. mucosal).
  • Interobserver agreement calculated using Cohen's Kappa coefficient.

Main Results:

  • A prevalence of 3.04% (14/460) for Rathke cleft cysts was identified in the pediatric cohort.
  • Mucosal type RCC (79%) was more common than serous type (21%).
  • Strong interobserver agreement (Kappa=0.85) was achieved for RCC detection.

Conclusions:

  • The prevalence of Rathke cleft cysts in children appears higher than previously reported.
  • Standardized MRI interpretation facilitates reliable detection of pediatric RCC.
Abstract

Keywords:
ChildCystMagnetic resonance imaging (MRI)Pituitary glandPrevalence

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