Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
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Biography Historical Article
Mentors in neuroscience. Peter Orlebar Bishop.
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Intracranial dural arteriovenous fistula (DAVF) is an uncommon neurosurgical condition; in particular, it has been infrequently reported in Korea. To understand the general clinical characteristics of DAVFs, the authors reviewed 53 cases and analyzed factors affecting DAVF hemorrhage of and treatment outcome. Since 1980 we have encountered 480 pial and 53 DAVFs, a ratio of 9.1 to 1. ⋯ Endovascular treatment is preferred in the majority of cases except tentorial DAVF. The goal of embolization in cavernous DAVF is the alleviation of symptoms, not angiographic cure. But transverse-sigmoid sinus DAVF with venous restriction and leptomeningeal drainage should be treated aggressively.
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Case Reports
Growth hormone-secreting pituitary adenoma confined to the sphenoid sinus associated with a normal-sized empty sella.
We present a case of growth hormone (GH)-secreting ectopic pituitary adenoma confined to the sphenoid sinus associated with a normal-sized empty sella. It has been well known that acromegaly is sometimes associated with an empty sella. ⋯ Primary empty sella existed originally, and the pituitary adenoma developed later. The adenoma extended into the sphenoid sinus because of the pulsatile intracranial cerebrospinal fluid pressure.
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Recurrent, irresectable meningioma constitutes an uncommon but significant problem. Many systemic therapies have been tested without clear evidence of efficacy. More recently, two reports have suggested that hydroxyurea has activity in this context. ⋯ Eleven patients achieved stable disease including eight patients who had documented progression prior to commencing hydroxyurea. These results are consistent with previous reports. In conclusion, hydroxyurea may provide some clinical benefit in patients with progressive meningioma by delaying progression of disease.