What is the role of CT scanning and MRA in the workup of antithrombin III (ATIII) deficiency?

Updated: Mar 04, 2020
  • Author: James L Harper, MD; Chief Editor: Hassan M Yaish, MD  more...
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Pulmonary thrombosis can be imaged with ventilation-perfusion scan.

Thin-cut spiral CT scanning has also been used for this, but small lesions may be missed.

MR angiography may be used to detect PE or other intrathoracic thrombi.

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