Transient hepatic attenuation differences

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An abscess and a THAD (white arrow) on a contrast CT in native, arterial, portal and delayed phase.[1][predatory publisher]

Transient hepatic attenuation differences (THAD) are areas of enhancement during the arterial phase of contrast CT of the liver. THAD is thought to be a physiological phenomenon resulting from regional variation in the blood supply by the portal vein and/or the hepatic artery. THAD may in some cases be associated with liver tumors such as a hepatocellular carcinoma.[2]

References

  1. ^ Dr. Sanjay M. Khaladkar, Dr. Vidhi Bakshi, Dr. Rajul Bhargava and Dr. V. M. Kulkarni (2016-08-20). "Pseudolesion (THAD) of Liver and Target Sign in hepatic abscess on MDCT" (PDF). International Journal of Current Research. 8 (8).{{cite journal}}: CS1 maint: multiple names: authors list (link) (Creative Commons Attribution License)
  2. ^ Yves Leonard Voss and Dr Yuranga Weerakkody. "Transient hepatic attenuation differences". Radiopaedia. Retrieved 2018-01-25.


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