Scalp arteriovenous malformation : a case report

Abstract

We report a rare case of Arteriovenous malformation (AVM) of the scalp in a 30 year-old Malay gentleman who presented with painless forehead swelling since birth. Magnetic Resonance Imaging (MRI) and cerebral angiogram performed and the findings are discussed.

Keywords: Radiological features; Scalp Arteriovenous Malformations; Subcutaneous Arteriovenous malformations.

Figures

Figure 1 :

The AVM has a bluish discoloration at the midline of the forehead could be due to dilated draining veins. The overlying skin is coarse and dry; however there was neither ulceration nor active hemorrhage present.

Figure 2 :

MRI revealed subcutaneous mass at midline of the forehead has inhomogeous signal intensities with flow void serpinginous structures within in keeping with enlarged draining veins. No intracranial extension.

Figure 3 :

Cerebral angiography revealed multiple feeding arteries with tortous course arising from ophthalmic arteries and also from superficial temporal arteries.