CT venography

CT venography

Spiral CT venography Imaging The use of a spiral CT device to evaluate blood flow in peripheral veins, and diagnose DVT, using 80% < contrast media than conventional venography. See CT.
References in periodicals archive ?
14) CT venography can be useful in confirming a diagnosis of CVT and is comparable to magnetic resonance (MR) venography.
Multidetector CT venography of patients with blunt head trauma revealing skull fractures that stretch out to a dural venous sinus or jugular bulb identified DVST in 40.
Addition of CT venography increases the gonadal radiation dose 500-fold in women and 2,000-fold in men compared to the dose from CT pulmonary angiography alone.
14,30,31) In a recent series of 137 patients with LE DVT who underwent CT venography, the most common site was in a muscular calf vein.
5) CT venography has recently been offered as another modality that can help in treatment planning by highlighting the location of an expansile petrous apex granuloma in relation to the jugular bulb and petrous carotid artery.
Neither CT venography nor MRI is recommended in patients with suspected first lower extremity DVT.
In emergency departments, either a CT scan or CT venography can be used if MRI is not available.
Spiral CT venography of the lower extremities by injection via an arm vein in patients with leg swelling.
Newer techniques using CT include CT angiography (CTA), CT venography (CTV), and CT perfusion.
CT venography is not recommended in pregnancy to diagnose DVT.