PMID: 7324203Oct 1, 1981

Scanning and transmission electron microscopy of a craniopharyngioma: x-ray microanalytical study of the intratumoral mineralized deposits

Ultrastructural Pathology
J VilchesJ Barbera


This paper discusses the value of scanning electron microscopy (SEM) and x-ray microanalysis in the classification of craniopharyngiomas. This neoplasm shows epithelial nest, cords of cuboid cells, foci of squamous metaplasia, and microcystic degeneration. SEM reveals that the epithelial cysts are lined with elongated cells that possess numerous microvilli and blebs and that some cysts are lined with polyhedral cells. The microvilli are interpreted as characteristic of the fast growing craniopharyngiomas. A microanalytical study of the calcified areas reveals the presence of magnesium, phosphorus, and calcium.


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Related Concepts

Tumoral Calcinosis
Plasma Membrane
Papillary Craniopharyngioma
Electron Probe Microanalysis
Electron Microscopy
Red Phosphorus
Pituitary Carcinoma

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