{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T07:21:59Z","timestamp":1769498519453,"version":"3.49.0"},"reference-count":20,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1979,8]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 The author reports on 41 aneurysms of the proximal internal carotid artery (PICA) demonstrated in 36 patients with subarachnoid hemorrhage. The patients included a striking preponderance of women, and there was a high incidence of multiple aneurysms. In cases with multiple aneurysms the PICA aneurysm was usually found incidentally, a more distal aneurysm on the internal carotid artery being the source of hemorrhage. An infundibulum at the origin of a posterior communicating artery was unusually common in these patients. The origin of the ophthalmic artery is proposed as the angiographic landmark of the level at which the internal carotid artery penetrates the dura mater.<\/jats:p>","DOI":"10.3171\/jns.1979.51.2.0151","type":"journal-article","created":{"date-parts":[[2009,5,7]],"date-time":"2009-05-07T15:34:30Z","timestamp":1241710470000},"page":"151-154","source":"Crossref","is-referenced-by-count":56,"title":["Some observations on aneurysms of the proximal internal carotid artery"],"prefix":"10.3171","volume":"51","author":[{"given":"Jonathan","family":"Punt","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1","series-title":"Radiology of the Skull and Brain","first-page":"2435","article-title":"Aneurysms","volume":"II","author":"Allcock","year":"1974"},{"key":"b2","series-title":"Brain","first-page":"607","article-title":"Intracavernous carotid aneurysms. 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I. Origin and intra-cranial and intra-canalicular course.","volume":"46","author":"Hayreh","year":"1962"},{"key":"b11","series-title":"Lancet","first-page":"1","article-title":"Intracerebral haemorrhage. Accuracy of computerised transverse axial scanning in predicting the underlying aetiology.","volume":"1","author":"Hayward","year":"1976"},{"key":"b12","series-title":"Br J Radiol","first-page":"483","article-title":"Computerized tomography and angiography in subarachnoid haemorrhage.","volume":"49","author":"Kendall","year":"1976"},{"key":"b13","series-title":"J Neurosurg","first-page":"544","article-title":"Carotid-ophthalmic aneurysms. A study of 19 patients.","volume":"34","author":"Kothandaram","year":"1971"},{"key":"b14","series-title":"J Neurosurg","first-page":"219","article-title":"Report on the cooperative study of intracranial aneurysms and subarachnoid hemorrhage. Section V, Part I. Natural history of subarachnoid hemorrhage, intracranial aneurysms, and arteriovenous malformations. Based on 6368 cases in the cooperative study.","volume":"25","author":"Locksley","year":"1966"},{"key":"b15","series-title":"Lancet","first-page":"623","article-title":"Multiple intracranial aneurysms.","volume":"1","author":"McKissock","year":"1964"},{"key":"b16","series-title":"Br Med J","first-page":"559","article-title":"Subarachnoid haemorrhage due to intracranial aneurysms. 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