Bilateral cortical nephrocalcinosis

Case contributed by Mahmoud Ibrahim Mekhaimar , 28 Dec 2019
Diagnosis almost certain
Changed by Yusra Sheikh, 28 Dec 2019

Updates to Case Attributes

Body was changed:
  • the above described features are suggestive of bilateral cortical nephrocalcinosis
  • renal calcification can be found in the collecting system and is termed nephrolithiasis.
  • when the calcification is found in the renal parenchyma itself, the term nephrocalcinosis is used.
  • nephrocalcinosis can be subdivided into medullary and cortical types. 
  • cortical nephrocalcinosis is 20 times rarer than the medullary nephrocalcinosis.
  • causes of cortical nephrocalcinosis can be remembered by the mnemonic:

COAG

  • C: cortical necrosis.

  • O: oxalosis.

  • A: Alport syndrome.

  • G: (chronic) glomerulonephritis.

  •  three patterns of calcifications have been described:
    • Aa thin peripheral band of calcifications (the most common).
    • Twotwo thin parallel calcified tracks.

Multiple punctate calcifications in a random distribution throughout the renal cortex (the least common type).

There is ​no correlation between the pattern of calcification and a specific cause. 

  • -<li>the above described features are suggestive of bilateral cortical nephrocalcinosis. </li>
  • -<li>renal calcification can be found in the collecting system and is termed nephrolithiasis.</li>
  • +<li>the above described features are suggestive of bilateral <a title="Cortical nephrocalcinosis" href="/articles/cortical-nephrocalcinosis">cortical </a><a title="Cortical nephrocalcinosis (mnemonic)" href="/articles/cortical-nephrocalcinosis-mnemonic">nephrocalcinosis</a>. </li>
  • +<li>renal calcification can be found in the collecting system and is termed <a title="Nephrolithiasis" href="/articles/urolithiasis">nephrolithiasis</a>.</li>
  • -<li>nephrocalcinosis can be subdivided into medullary and cortical types. </li>
  • +<li>
  • +<a title="Nephrocalcinosis" href="/articles/nephrocalcinosis">nephrocalcinosis</a> can be subdivided into medullary and cortical types. </li>
  • -</ul><p> </p><ul><li> three patterns of calcifications have been described:</li></ul><ol>
  • -<li>A thin peripheral band of calcifications (the most common).</li>
  • -<li>Two thin parallel calcified tracks.</li>
  • -</ol><p>Multiple punctate calcifications in a random distribution throughout the renal cortex (the least common type).</p><p>There is ​no correlation between the pattern of calcification and a specific cause. </p><p> </p><p> </p>
  • +</ul><p> </p><ul><li> three patterns of calcifications have been described:<ul>
  • +<li>a thin peripheral band of calcifications (the most common).</li>
  • +<li>two thin parallel calcified tracks.</li>
  • +</ul>
  • +</li></ul><p>Multiple punctate calcifications in a random distribution throughout the renal cortex (the least common type).</p><p>There is ​no correlation between the pattern of calcification and a specific cause. </p><p> </p><p> </p>

Systems changed:

  • Paediatrics

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