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<p>A 57-year-old male with multiple supratentorial and infratentorial cavernomas presented with subacute-onset headache, tinnitus, and worsening neurological deficits. Imaging revealed spontaneous thrombosis of a previously documented developmental venous anomaly (DVA) in the posterior fossa, resulting in cerebellar parenchymal hemorrhage and posterior fossa hypertension consistent with venous infarction. This case highlights the rare occurrence of spontaneous DVA thrombosis, emphasizing its potential for severe complications, such as venous ischemic infarction, parenchymal hemorrhage, venous congestion, or subarachnoid hemorrhage, as well as the importance of sequential imaging in documenting pathological progression.</p>

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Spontaneous thrombosis of drainage vein in cavernoma-associated developmental venous anomaly

  • 期刊论文

  • 发表日期：

    2025年10月9日

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  • Miguel Ossuna,
  • Pedro Tadao Hamamoto Filho,
  • Marco Antônio Zanini

摘要

A 57-year-old male with multiple supratentorial and infratentorial cavernomas presented with subacute-onset headache, tinnitus, and worsening neurological deficits. Imaging revealed spontaneous thrombosis of a previously documented developmental venous anomaly (DVA) in the posterior fossa, resulting in cerebellar parenchymal hemorrhage and posterior fossa hypertension consistent with venous infarction. This case highlights the rare occurrence of spontaneous DVA thrombosis, emphasizing its potential for severe complications, such as venous ischemic infarction, parenchymal hemorrhage, venous congestion, or subarachnoid hemorrhage, as well as the importance of sequential imaging in documenting pathological progression.