Ahmed M Meleis

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Toxoplasmosis can have catastrophic consequences in immunocompromised patients if left untreated. Accurate diagnosis is difficult, as there is substantial overlap between the imaging findings and presenting clinical syndromes of cerebral toxoplasmosis and primary central nervous system lymphoma. This paper reviews the previously described and fairly(More)
Spinal vascular malformations, although rare, cause devastating disease. These malformations are commonly categorized as follows: spinal arteriovenous malformations (AVMs), dural arteriovenous fistulas (DAVFs), spinal hemangiomas, cavernous angiomas, and aneurysms. Spinal DAVFs (SDAVFs), or type 1 spinal AVMs, occur most frequently, representing ∼ 60 to 80%(More)
BACKGROUND Occipital artery pseudoaneurysms are extremely rare pathologies that manifest after traumatic injury; only 11 cases have been reported in the literature. Because of their low incidence and vague symptoms, the initial diagnosis can be difficult. However, for correctly diagnosed occipital artery pseudoaneurysms, many successful treatment modalities(More)
OBJECTIVE The utility of routine repeat head CT (HCT) scans in the management of minimal head injury (MHI) patients with an intracranial hemorrhage (ICH) has been questioned in multiple studies. All these studies analyzed this by obtaining a repeat HCT study, and none examined the effects of eliminating these routine HCT studies in neurologically intact(More)
Cerebellar ptosis and dural prolapse are known complications after posterior craniocervical decompression of Chiari 1 malformation (CM1), and are associated with larger craniectomies, epidural scarring and intradural adhesions. Although management of these complications has been well documented, little has been reported in regards to their prevention. We(More)
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