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Controversy in the management of lenticulostriate artery dissecting aneurysm: a case report and review of the literature.

AbstractBACKGROUND:
Intracranial arterial dissection is an uncommon but well-recognized entity. Treatment remains variable, ranging from observation to intervention via the use of either surgical or endovascular techniques. Aneurysms along the lenticulostriate artery have been reported in only 41 patients. With the current case study we illustrate the effectiveness of observation in the context of a dissecting lenticulostriate aneurysm and discuss other approaches that have been used in the treatment of this particular entity.
CLINICAL SUMMARY:
An accomplished mountain climber presented, after coitus, with acute headache, mild facial weakness, and forgetfulness. Vascular imaging studies revealed a right putaminal hemorrhage secondary to a 3-mm lenticulostriate artery dissecting aneurysm. Clinically, the patient did well, with marked improvement in presenting symptoms enabling his return to mountain climbing. Follow-up angiography showed spontaneous resolution of the arterial dissecting aneurysm. Among the 41 reported cases, 19 were idiopathic, 5 associated with hypertension, and 17 related to various conditions such as Moyamoya disease, arteriovenous malformation, systemic vasculitis, intraventricular tumor, or substance abuse. Of the 42 cases, including the present case, 28 were surgically or endovascularly managed and 12 observed. Only one of the reported cases, a 33-year-old man with Moyamoya disease, who was managed conservatively, died of rebleeding.
CONCLUSION:
There is no common consensus in the literature on a single treatment strategy for a lenticulostriate artery aneurysm. The present case illustrates that observation and follow-up vascular imaging can be an important treatment strategy, allowing healing of the vessel wall and disappearance of the dissecting aneurysm.
AuthorsSanju Lama, Parviz Dolati, Garnette R Sutherland
JournalWorld neurosurgery (World Neurosurg) Vol. 81 Issue 2 Pg. 441.e1-7 (Feb 2014) ISSN: 1878-8769 [Electronic] United States
PMID23246740 (Publication Type: Case Reports, Journal Article, Review)
CopyrightCopyright © 2014 Elsevier Inc. All rights reserved.
Topics
  • Aortic Dissection (complications, diagnostic imaging, therapy)
  • Basal Ganglia Cerebrovascular Disease (complications, diagnostic imaging, therapy)
  • Cerebral Angiography
  • Humans
  • Male
  • Middle Aged
  • Mountaineering
  • Putaminal Hemorrhage (diagnostic imaging, etiology, therapy)
  • Tomography, X-Ray Computed
  • Watchful Waiting (methods)

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