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[Structure of secondary or exogenous prostatic calculi]
Archivos Espanoles De Urologia
|September 1, 1979
Summary
This study analyzed eight secondary prostatic stones, finding two main types: uric and oxalic. Uric acid stones exhibited unique structures not seen in urinary stones.
Area of Science:
- Urology
- Crystallography
- Materials Science
Context:
- Prostatic stones, often endogenous, can also be secondary or exogenous.
- Understanding the crystallographic structure of prostatic stones is crucial for diagnosis and treatment.
Purpose:
- To perform crystallographic analysis on secondary prostatic stones.
- To identify the composition and structural characteristics of these stones.
Summary:
- Eight secondary prostatic stones were analyzed, revealing two main types: predominantly uric (5) and predominantly oxalic (3).
- While some stones were pure, most had uric or oxalic nuclei with peripheral layers of apatite or whitlockite, similar to endogenous stones.
- Anhydrous uric acid stones displayed unique structures, including a combination of granuloporous, fibrosoradiated, and palisaded formations, and a novel 'concretioning' structure.
Impact:
- Identifies novel crystallographic structures in anhydrous uric acid prostatic stones.
- Contributes to a deeper understanding of prostatic stone formation and composition.
- Provides insights for potential diagnostic markers and therapeutic strategies for prostatic lithiasis.