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Comprehensive Time-Resolved MRI of Peripheral Vascular Malformations

¹ Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstr. 55, Essen 45122, Germany.
² Department of Angiology, University Hospital Essen, Essen 45122, Germany.

View larger version (132K): [in a new window]   Fig. 1A. —52-year-old man with venous vascular malformation in lower portion of right leg. Photograph shows ectatic crural veins and dermal changes in affected leg. VTP = vena tibialis posterior, ATP = arteria tibialis posterior.

View larger version (195K): [in a new window]   Fig. 1B. —52-year-old man with venous vascular malformation in lower portion of right leg. Color-coded sonogram displays diameters and flow velocities of tortuous vasculature.

View larger version (101K): [in a new window]   Fig. 1C. —52-year-old man with venous vascular malformation in lower portion of right leg. Transverse STIR image reveals that surrounding subcutaneous and muscular tissue are involved.

View larger version (47K): [in a new window]   Fig. 1D. —52-year-old man with venous vascular malformation in lower portion of right leg. Digital subtraction angiogram (D) and venogram (E) show venous filling pattern of lesion.

View larger version (50K): [in a new window]   Fig. 1E. —52-year-old man with venous vascular malformation in lower portion of right leg. Digital subtraction angiogram (D) and venogram (E) show venous filling pattern of lesion.

View larger version (88K): [in a new window]   Fig. 1F. —52-year-old man with venous vascular malformation in lower portion of right leg. Early (F) and late (G) phase contrast-enhanced MR angiograms show vascular enhancement patterns of venous vascular malformation.

View larger version (103K): [in a new window]   Fig. 1G. —52-year-old man with venous vascular malformation in lower portion of right leg. Early (F) and late (G) phase contrast-enhanced MR angiograms show vascular enhancement patterns of venous vascular malformation.

View larger version (51K): [in a new window]   Fig. 2A. —64-year-old man with venous vascular malformation of lateral aspect of left calf. Transverse two-dimensional (2D) T1-weighted (A) and T2-weighted (B) images show dilated vasculature in subcutaneous tissue.

View larger version (48K): [in a new window]   Fig. 2B. —64-year-old man with venous vascular malformation of lateral aspect of left calf. Transverse two-dimensional (2D) T1-weighted (A) and T2-weighted (B) images show dilated vasculature in subcutaneous tissue.

View larger version (50K): [in a new window]   Fig. 2C. —64-year-old man with venous vascular malformation of lateral aspect of left calf. Transverse 2D T1-weighted STIR (C) and transverse 2D T1-weighted contrast-enhanced (D) images provide equally accurate depictions of true extent of lesion involving subcutaneous fat and anterior portions of tibial muscle and bone.

View larger version (52K): [in a new window]   Fig. 2D. —64-year-old man with venous vascular malformation of lateral aspect of left calf. Transverse 2D T1-weighted STIR (C) and transverse 2D T1-weighted contrast-enhanced (D) images provide equally accurate depictions of true extent of lesion involving subcutaneous fat and anterior portions of tibial muscle and bone.

View larger version (109K): [in a new window]   Fig. 2E. —64-year-old man with venous vascular malformation of lateral aspect of left calf. Early (E) and late phase (F) maximum-intensity-projection images were obtained from three-dimensional contrast-enhanced MR angiography. Left hypoplastic anterior tibial artery is shown on early phase image (arrow, E).

View larger version (127K): [in a new window]   Fig. 2F. —64-year-old man with venous vascular malformation of lateral aspect of left calf. Early (E) and late phase (F) maximum-intensity-projection images were obtained from three-dimensional contrast-enhanced MR angiography. Left hypoplastic anterior tibial artery is shown on early phase image (arrow, E).

View larger version (100K): [in a new window]   Fig. 3A. —8-year-old boy with hemangioma of right buttock. Photograph shows well-delineated large vascular lesion.

View larger version (125K): [in a new window]   Fig. 3B. —8-year-old boy with hemangioma of right buttock. Early phase maximum-intensity-projection image obtained from three-dimensional (3D) contrast-enhanced MR angiography shows normal vascular anatomy.

View larger version (126K): [in a new window]   Fig. 3C. —8-year-old boy with hemangioma of right buttock. Late phase maximum-intensity-projection image obtained from 3D contrast-enhanced MR angiography shows nodular filling pattern of lesion (arrows).

View larger version (65K): [in a new window]   Fig. 4A. —14-year-old boy with congenital small arteriovenous malformation of right foot. Arterial phase maximum-intensity-projection image obtained from three-dimensional contrast-enhanced MR angiography shows small shunt (arrow) of dorsal pedal artery to dilated vein.

View larger version (66K): [in a new window]   Fig. 4B. —14-year-old boy with congenital small arteriovenous malformation of right foot. Lesion is also visible on maximum-intensity-projection image obtained during steady-state MR angiography.

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