What is the role of imaging studies in the workup of heparin-induced thrombocytopenia (HIT)?

Updated: Apr 24, 2018
  • Author: Sancar Eke, MD, FASN; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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Answer

Silent deep venous thrombosis (DVT) is common in patients with HIT. Therefore, bilateral lower extremity compression ultrasonography may be considered in these patients, even in the absence of clinical evidence of lower-limb DVT. [53]

In patients with HIT who experience thrombosis, different vascular imaging studies can be used to document the thrombotic lesions, including ultrasonography and angiography (see the images below). Multislice computed tomography (MSCT) scanning has been utilized in some patients with multiple thrombosis. [54]

Ultrasonographic image of a deep vein thrombosis (DVT).

Ultrasonographic image of a deep vein thrombosis ( Ultrasonographic image of a deep vein thrombosis (DVT).

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