Computed Tomography in Dural Sinus Thrombosis

Abstract

Patients in whom intracranial dural sinus thrombosis develops may exhibit relatively nonspecific symptoms and signs, making the diagnosis on clinical grounds alone difficult to establish. Angiography has been the traditional definitive imaging modality in this disease. Since the introduction of computed tomography (CT), several reports have described various appearances of dural sinus thrombosis in patients studied with thismodality. 1-4 The clinical and CT presentation of this disorder can be subtle. A strong index of suspicion is necessary to establish the diagnosis, as is exemplified by the following case. REPORT OF A CASE A 37-year-old man experienced sudden, generalized headache with photophobia that prompted hospital admission two days after an initial outpatient evaluation. Results of the examination were unre markable and no evidence of papilledema was present. A CT scan was normal