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Epithelial cells in symptomatic Rathke's cleft cysts. A light- and electron-microscopic study
T Matsushima1, M Fukui, K Fujii
1Department of Neurosurgery, Faculty of Medicine, Kyushu University, Fukuoka, Japan.
Surgical Neurology
|September 1, 1988
Summary
Electron microscopy reveals Rathke's cleft cysts share epithelial cell similarities with sphenoid sinus mucosa and craniopharyngiomas, suggesting a potential relationship. This finding aids in understanding cyst origins and development.
Area of Science:
- Pathology
- Electron Microscopy
- Cell Biology
Background:
- Rathke's cleft cysts (RCC) are benign sellar region cysts of debated origin.
- Understanding RCC epithelial cell characteristics is crucial for differentiating them from other sellar lesions.
Observation:
- Electron microscopic examination of epithelial cells from symptomatic RCC.
- Comparison of RCC epithelial fine structure with normal sphenoid sinus mucosa, choroid plexus, and craniopharyngioma.
Findings:
- RCC epithelium comprises goblet, ciliated, flat (squamous), and basal cells.
- RCC epithelial cells exhibit significant structural similarities to sphenoid sinus mucosa and craniopharyngiomas with goblet and ciliated cells.
- Distinct differences were noted when compared to choroid plexus epithelium.
Implications:
- The findings suggest a potential developmental or cellular relationship between RCC, sphenoid sinus mucosa, and craniopharyngiomas.
- This comparative ultrastructural analysis provides insights into the histogenesis of Rathke's cleft cysts.
- May inform differential diagnosis and understanding of sellar region pathologies.