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  • Title: [Revisiting the chemical diversity in prostatic calculi: a SEM and FT-IR investigation].
    Author: Dessombz A, Méria P, Bazin D, Foy E, Rouzière S, Weil R, Daudon M.
    Journal: Prog Urol; 2011 Dec; 21(13):940-5. PubMed ID: 22118359.
    Abstract:
    OBJECTIVE: Revisiting the chemical diversity of the crystalline phases of prostatic calculi by means of SEM and FT-IR analysis. METHODS: A set of 32 prostatic calculi has been studied by FT-IR and SEM. RESULTS: FT-IR analysis has determined the chemical composition of each prostatic calculus and the SEM observation has described the morphology of the calculi surfaces and layers. Infrared analysis revealed that 90.7% of the stones were mainly composed of calcium phosphates. However, several mineral phases previously not reported in prostatic calculi were observed, as brushite or octocalcium phosphate pentahydrate. CONCLUSION: Prostatic calculi exhibited a diversity of crystalline composition and morphology. As previously reported for urinary calculi, relationships between composition and morphology of prostatic stones and étiopathogenic conditions could be of interest in clinical practice.
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