Young female with history of vascular malformation
in the leg and failed surgical attempts. Persistent
pain and small size upper calf.
Photo shows a
surgical scar and small upper calf. No obvious skin
abnormalities are seen.
MRI (see above & below): T2 weighted axial image (above
2nd image) shows
a typical venous malformation (low-flow vascular birthmark)
involving the muscle groups in the back of the knee.
Post-contrast MR images (above 3rd image and below 1st
image) demonstrate characteristic inhomogeneous, but intense
Arteriogram. This study
was performed at different institution earlier. In general,
arteriography is not needed for venous malformations and
these lesions can not be treated with transcatheter
embolization. Arterial phase of the study (below, 2nd image)
shows no arterial abnormalities. However, delayed phase
(venous phase) demonstrates the malformation with scattered
inhomogeneous filling of the lesion with the contrast
This lesion can not be treated surgically due to
the fact that the muscles are involved with this
malformation extensively. However, this lesion can
be treated with percutaneous means (Sclerotherapy).