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[Ultrastructure of primary or endogenous prostatic calculi. Scanning electron microscopic study]
Archivos Espanoles De Urologia
|January 1, 1981
Summary
Scanning electron microscopy revealed prostate stone compositions, identifying Carboapatite, Hydroxyapatite, Whitlockite, and Wedellite. This analysis classified stones into "Crystalline" (Hydroxyapatite) and "Carboapatite" types, with further subdivision of the latter.
Area of Science:
- Urology
- Mineralogy
- Materials Science
Context:
- Prostate stones, also known as prostatic calculi, are common findings in men.
- Understanding their composition is crucial for diagnosis and treatment strategies.
- Previous analyses have varied in their identification of stone components.
Purpose:
- To analyze the ultrastructure and mineral composition of primary prostate stones.
- To classify prostate stones based on their identified ultrastructural components.
Summary:
- Fifteen primary prostate stones were analyzed using Scanning Electron Microscopy (SEM).
- Identified mineral components included Carboapatite (14 stones), Hydroxyapatite (3 stones), Whitlockite (4 stones), and Wedellite (2 stones).
- Stones were classified into two main types: 'Crystalline' (predominantly Hydroxyapatite) and 'Carboapatite' (rich in organic material), with Carboapatite stones further divided into 'Amylaceous' and 'non-amylaceous' subtypes.
Impact:
- Provides detailed ultrastructural insights into prostate stone formation.
- Offers a novel classification system for prostate stones based on mineral and organic content.
- May inform future research into the etiology and management of prostate calculi.