The Teaching Point

Isolated cortical vein thrombosis is an uncommon diagnosis. A high index of suspicion for isolated cortical vein thrombosis is needed in patients presenting with headache and focal seizures of new-onset with a normal brain CT and MRI brain (with Axial T1 and T2 weighted, FLAIR, Gradient-echo, diffusion-weighted as well as MR venography of the brain) should be performed for a definitive diagnosis.






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Isolated Cortical Vein Thrombosis - The Cord Sign

Free full text article: Isolated Cortical Vein Thrombosis - The Cord Sign

Abstract
Isolated cortical vein thrombosis is an uncommon condition and often difficult to diagnose, both clinically and radiologically. We report a case of a 38 years old man who presented with headache of new onset and clinical examination was unremarkable. The unenhanced brain CT did not reveal any abnormality. In view of unrelenting headache and partial seizures, we performed magnetic resonance imaging (with axial T1, T2 and gradient echo sequences, coronal FLAIR, diffusion weighted imaging as well as Gadolinium contrast-enhanced images) and magnetic resonance venography of the brain that revealed an isolated parietal cortical vein thrombosis with the rarely reported `cord sign`. We report the clinical and radiological findings in our patient with isolated parietal cortical vein thrombosis.






References



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