Putty kidney

Changed by Ankit Balani, 17 Oct 2015

Updates to Article Attributes

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Putty kidney refers to a pattern of renal calcification associated with renal tuberculosis conventionally described on plain radiography. Calcification outlines a kidney entirely,characteristically is very homogeneous and this isground glass like, representing calcified caseous tissue 3,4. Premkumar et al labelled calcification 'putty like' if any faint area of uniform calcification was more than 1 cm in diameter 4. Putty calcification needs to be differentiated from lobar pattern of calcification, wherein dense calcific rims outline the periphery of distorted renal lobes. Lobar calcification represents an end-stage appearance, associated with autonephrectomy.

  • -<p><strong>Putty kidney</strong> refers to a pattern of renal calcification associated with <a href="/articles/renal-tuberculosis">renal tuberculosis</a>. Calcification outlines a kidney entirely, and this is an end-stage appearance, associated with <a href="/articles/autonephrectomy">autonephrectomy</a>.</p>
  • +<p><strong>Putty kidney</strong> refers to a pattern of renal calcification associated with <a href="/articles/renal-tuberculosis">renal tuberculosis</a> conventionally described on plain radiography. Calcification characteristically is very homogeneous and ground glass like, representing calcified caseous tissue <sup>3,4</sup>. Premkumar et al labelled calcification 'putty like' if any faint area of uniform calcification was more than 1 cm in diameter <sup>4</sup>. Putty calcification needs to be differentiated from lobar pattern of calcification, wherein dense calcific rims outline the periphery of distorted renal lobes. Lobar calcification represents an end-stage appearance, associated with <a href="/articles/autonephrectomy">autonephrectomy</a>.</p>

References changed:

  • 3. Merchant S, Bharati A, Merchant N. Tuberculosis of the Genitourinary System-Urinary Tract Tuberculosis: Renal Tuberculosis-Part I. Indian J Radiol Imaging. 2013;23(1):46-63. <a href="https://doi.org/10.4103/0971-3026.113615">doi:10.4103/0971-3026.113615</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/23986618">Pubmed</a>
  • 4. Premkumar A, Lattimer J, Newhouse J. CT and Sonography of Advanced Urinary Tract Tuberculosis. AJR Am J Roentgenol. 1987;148(1):65-9. <a href="https://doi.org/10.2214/ajr.148.1.65">doi:10.2214/ajr.148.1.65</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/3538835">Pubmed</a>

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