Scanning electron microscopic and polarizing microscopic studies on the experimental formation of cholesterol crystals and gallstones in bile of the mouse fed with lithogenic diet

Nishie, Yutaka

doi:10.4044/joma1947.88.5-6_403

Okayama I. Z.

1976

DOI: 10.4044/joma1947.88.5-6_403

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Scanning electron microscopic and polarizing microscopic studies on the experimental formation of cholesterol crystals and gallstones in bile of the mouse fed with lithogenic diet

Yutaka Nishie¹

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1983

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The fine structure of pancreatic stones as shown by scanning electron microscopy and x-ray probe microanalyser

et al. 1983

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To delineate the process of pancreatic stone formation, stones from four patients were studied with a scanning electron microscope and X-ray probe microanalyser. The stones consisted of a central core and surrounding shell. Two kinds of stones were demonstrated: one had a core composed of a calcium-rich amorphous substance and interlacing fibrils; the other had a core consisting of multiple cavities with smooth walls composed of a calcium-deficient amorphous substance. The shells showed a common structure: zones of layers or bands of a calcium-rich amorphous substance, network fibrils filled with a calcium-rich amorphous substance, and laminated parallelogrammic or polygonal plates of calcite parallel to the surface in one layer and oblique or perpendicular in the next layer. Calcium was in the crypto-crystalline state as well as crystalline state of calcite. Crystalline calcite showed spiral and epitaxial growth along with findings of dissolution, resembling cholesterol crystals of gall stones. Pancreatic stones are probably formed through central core formation and layered growth of a shell. Comparison of stones and protein plugs suggests that protein plugs can grow to stones with calcite deposition accompanied by precipitation of network fibrils and an amorphous substance.

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The fine structure of pancreatic stones as shown by scanning electron microscopy and x-ray probe microanalyser

et al. 1983

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Scanning electron microscopic and polarizing microscopic studies on the experimental formation of cholesterol crystals and gallstones in bile of the mouse fed with lithogenic diet

Cited by 1 publication

References 0 publications

The fine structure of pancreatic stones as shown by scanning electron microscopy and x-ray probe microanalyser

The fine structure of pancreatic stones as shown by scanning electron microscopy and x-ray probe microanalyser

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