PMC5286566_01
Contrast-enhanced computed tomography on the first visit. A contrast deficit in (a) the inferior vena cava at the level of kidney lower lobe (the yellow arrow), (b) the left external iliac vein (the yellow arrow), (c) the left superficial femoral vein (the yellow arrow), (d) the left popliteal vein (the yellow arrow)
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Fig1
A contrast-enhanced computed tomography (CT)-scan revealed prominent swelling in his left extremity and contrast deficits in the inferior vena cava (IVC) at the level of the lower lobe of kidney (Fig. 1a) and from the left external iliac vein (Fig. 1b) to the left superfacialis femoral vein.
Magnetic resonance venography (T2-TRA) on the first visit. rt. CIA; right common iliac artery, lt. CIA; left common iliac artery, lt. CIV; left common iliac vein, *: vertebral body at fifth lumbar vertebra
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Fig2
Magnetic resonance venography demonstrated that the bifurcation of the left common iliac vein was compressed between the right common iliac artery and the fifth lumbar vertebral body (Fig. 2), confirming a diagnosis of IVCS.
Contrast-enhanced computed tomography at 7 days after the initiation of anticoagulation therapy. The yellow arrow indicates reduced thrombosis
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Fig3
After 7 days, a follow-up contrast-enhanced CT scan showed a reduction in the size of the thrombosis (Fig. 3).
Contrast-enhanced computed tomography at 3 months after the initiation of anticoagulation therapy. The thrombosis was disappeared completely
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Fig4
A follow-up contrast-enhanced CT scan revealed that the thrombosis had completely resovled (Fig. 4).