Transitional vascular anomaly of a persistent medial procephalic vein causing obstructive hydrocephalus and intracranial haemorrhage Article Swipe

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Medicine Hydrocephalus Obstructive hydrocephalus Bleed Shunting Vascular anomaly Shunt (medical) Catheter Thalamus Arteriovenous malformation Surgery Radiology

Masis Isikbay , Kazim Narsinh , M. Travis Caton , Matthew R. Amans ·

YOU? · · 2022 · Open Access · · DOI: https://doi.org/10.1259/bjrcr.20220064 · OA: W4293792891

We report a case of obstructive hydrocephalus caused by a transitional (shunting) developmental venous anomaly not previously reported in the literature. Both thalami in this patient drain into a midline vein in the floor of the third ventricle that crosses the cerebral aqueduct and exerts mass effect. While this patient’s hydrocephalus was managed by a ventriculoperitoneal shunt catheter, their hospital course was complicated by a spontaneous intraparenchymal bleed of the left thalamus thought to be caused by their vascular malformation. Given the risk of venous infarcts, this transitional venous anomaly could not be treated safely.