Calcification of choroid



Keywords: normal intracranial calcifications, normal intracranial calcification, refs, central nervous system, gamuts
Description: Normal intracranial calcifications can be defined as all age-related physiologic and neurodegenerative calcifications that are unaccompanied by any evidence of disease and have no demonstrable pathological cause.The most common sites include: pin...

Normal intracranial calcifications  can be defined as all age-related physiologic and neurodegenerative calcifications that are unaccompanied by any evidence of disease and have no demonstrable pathological cause.

  • pineal gland
    • seen in 2/3 of the adult population and increases with age
    • calcification over 1cm in diameter or under nine years old may be suggestive of a neoplasm
  • habenula
    • it has a central role in the regulation of the limbic system and is often calcified with a curvilinear pattern a few millimeters anterior to the pineal body in 15% of the adult population
  • choroid plexus
    • a very common finding, usually in the atrial portions of the lateral ventricles
    • calcification in the third or fourth ventricle or patients less than nine years of age is uncommon
  • basal ganglial calcification
    • are usually incidental idiopathic findings that have an incidence of 1% (range 0.3-1.5%) and increases with age
    • usually, demonstrate a faint punctuate or a coarse conglomerated symmetrical calcification pattern
    • see basal ganglia calcification for specific differential
  • falx. dura mater or tentorium cerebelli
    • occur in 10% of the elderly population
    • dural and tentorial calcifications are usually seen in a laminar pattern and can occur anywhere within the cranium
  • petroclinoid ligaments
    • common age-related degeneration sites and usually have laminar or mildly nodular patterns
  • superior sagittal sinus
    • common age-related degeneration sites and usually have laminar or mildly nodular patterns






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