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Unusual association of diseases/symptoms
Subarachnoid haemorrhage as the initial manifestation of cortical venous thrombosis

Aneurysmal rupture is the commonest cause of non-traumatic subarachnoid haemorrhage (SAH). SAH can rarely be the manifestation of cortical venous thrombosis (CVT). CVT is potentially lethal but treatable disorder with positive outcome if timely treatment is instituted. The site of bleeding is mainly on convexities and sulcus with sparing of basal cisterns in SAH related to CVT. Anticoagulation is the mainstay of treatment, in spite of SAH complicated by CVT. In this submission, the author highlighted a case of SAH presented as initial manifestation of CVT in an elderly woman. Early therapy with anticoagulation led to complete clinical and radiological recovery in a short duration of 2 weeks. Thus, diagnosis of CVT should be kept in mind in unusual presentation of SAH.

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