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Mechanisms of calcification in Peyronie's disease

J S Vande Berg, C J Devine, C E Horton

    The Journal of Urology
    |January 1, 1982
    PubMed
    Summary
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    Peyronie

    Area of Science:

    • Pathology
    • Biomineralization
    • Urology

    Background:

    • Peyronie's disease is characterized by penile plaque formation.
    • Calcification within these plaques is a key pathological feature.

    Purpose of the Study:

    • To investigate the cellular and matrix mechanisms of calcification in Peyronie's disease plaques.
    • To elucidate the origin and progression of osteoid formation in affected tissues.

    Main Methods:

    • Scanning electron microscopy (SEM) of penile plaques.
    • Transmission electron microscopy (TEM) of penile plaques.

    Main Results:

    • SEM and TEM revealed a distinct calcification process within penile plaques.
    • Osteoid formation initiated from vascular lumina, involving osteoblast-like cells.

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  • Calcified connective tissue and collagen fibers with altered periodicity were observed.

    • Conclusions:

    • The study elucidates the process of calcification in Peyronie's disease.
    • Osteoblast-like cells play a crucial role in plaque calcification originating from vasculature.
    • Altered collagen structure accompanies calcification in penile plaques.