Developmental Venous Anomaly With Asymmetrical Basal Ganglia Calcification: Two Case Reports and Review of the Literature

Abstract

Developmental venous anomaly (DVA) is a common lesion formerly known as venous angioma. DVAs drain normal brain parenchyma; however, parenchymal abnormalities surrounding DVAs have been reported. Unilateral putamen and caudate calcification in the drainage territory of DVAs has so far been reported in 7 cases, all with deep venous drainage. We present two additional cases of DVAs, one with superficial and the other one with deep venous drainage, associated with basal ganglia calcifications. We emphasize that DVAs should be in the differential diagnosis of unilateral basal ganglia calcifications.

Unilateral Hyperkinetic Choreiform Movements due to Calcification of the Putamen and Caudate from an Underlying Developmental Venous Anomaly

“…The association between unilateral putamen and caudate calcification in association with a DVA has been described only a number of times in the literature: six cases [11], two cases [13], and one case [10]. These all interestingly spared the anterior limb of the internal capsule.…”

Acute Pontine Infarct Adjoining a Preexisting Radiation-Induced Vascular Malformation 25 Years after Cranial Radiation

“…Indeed, slow flow within a cavernoma has been reported previously 17. A dilated vein and parenchymal capillaries together with dystrophic calcification can reflect abnormal flow dynamics associated with the lesion 78. However, this is speculative, and no further study (e.g., pathology, catheter angiography, or vessel-wall MRI) was performed.…”