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Related Experiment Videos

A comparative study of physiologic intracranial calcifications.

K Abbassioun, B Aarabi, M Zarabi

    Pahlavi Medical Journal
    |April 1, 1978
    PubMed
    Summary

    Pineal calcification is significantly less common in Shiraz, Iran, than in the U.S.A. This study investigated intracranial calcifications, finding lower incidences of pineal, choroid plexus, and falx cerebri calcification in the Iranian population.

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    Area of Science:

    • Neurology
    • Radiology
    • Anthropology

    Background:

    • Clinical observations suggested infrequent pineal calcification in Shiraz, Iran.
    • Physiologic intracranial calcifications vary geographically.
    • Understanding these variations can offer insights into population health and environmental factors.

    Purpose of the Study:

    • To evaluate the incidence of pineal calcification in Shiraz, Iran.
    • To compare intracranial calcification rates with international data.
    • To explore potential factors influencing geographical differences in calcification.

    Main Methods:

    • Retrospective review of 2000 consecutive skull X-rays from Saadi Hospital, Shiraz.
    • Assessment of pineal, choroid plexus, and falx cerebri calcification.
    • Analysis of incidence by age (10-year groups) and sex, compared to global literature.

    Main Results:

    • Average pineal calcification incidence over age 20 was 18.29% in Shiraz, versus 55% in the U.S.A.
    • Significantly lower incidences of choroid plexus and falx cerebri calcification were observed.
    • Age and sex were confirmed as factors within the studied population.

    Conclusions:

    • Pineal and other intracranial calcifications are less frequent in Shiraz compared to Western populations.
    • Racial and dietary factors are hypothesized as potential contributors to these geographical variations.
    • Further research is warranted to elucidate the specific etiological factors.

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