Abstract:
:Pituicytomas are rare low-grade glial lesions of neurohypophysis or adenohypophysis. They are often misdiagnosed as adenomas due to their similar morphology. Previous reports have underlined their nonspecific aspect. In our experience, presence of flow voids on magnetic resonance, which usually indicate hypervascularized tumors with strong arterial supply, may be a useful sign to identify pituicytomas. Unlike adenomas, pituicytomas are highly vascularized tumors. Second, we emphasize the strong enhancement of these tumors when compared with normal hypophysis, which may be another sign of their hypervascularization. Indeed, adenomas, on the opposite side, present less enhancement than normal hypophysis. This observation is corroborated by previous histologic studies that showed adenomas present less vascular density than normal pituitary glands. However, in large tumors, the normal hypophysis can sometimes not be individualized and thus the enhancement gradient between the tumor and normal tissue cannot be properly assessed. Due to their rarity, no previous reports had ever emphasized the specific signs that could allow us to differentiate pituicytomas from adenomas; however, it seems crucial due to the potential hemorrhagic complications of pituicytoma surgery.
journal_name
World Neurosurgjournal_title
World neurosurgeryauthors
Law-Ye B,Cholet C,Leclercq Ddoi
10.1016/j.wneu.2017.10.036subject
Has Abstractpub_date
2018-01-01 00:00:00pages
304-306eissn
1878-8750issn
1878-8769pii
S1878-8750(17)31763-1journal_volume
109pub_type
杂志文章abstract::This report portrays our pitfall in the initial diagnosis of an intracranial arterial dissection that we misinterpreted as a saccular aneurysm. Intracranial arterial dissections presenting with convexity subarachnoid hemorrhage are rare, thus being easily mistaken with mild traumatic head injuries and therefore preven...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2016.11.145
更新日期:2017-02-01 00:00:00
abstract:INTRODUCTION:The aim of this study was to explore the predisposing factors for fracture nonunion after a lateral screw was combined with C2 pedicle/laminar screw for a type II odontoid fracture and hopefully provide references in decision making and surgical planning for spinal surgeons. METHODS:This is a retrospectiv...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2017.09.198
更新日期:2018-01-01 00:00:00
abstract:BACKGROUND:Temporal bone tegmen defects may be associated with cerebrospinal fluid (CSF) otorrhea. A variety of techniques have been used for repair. We report our experience with skull base reconstruction for tegmen defects using either autologous or alloplastic grafts. METHODS:A retrospective chart review was perfor...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2018.05.196
更新日期:2018-10-01 00:00:00
abstract:BACKGROUND:We describe the histopathology of an unruptured giant calcified left middle cerebral artery (MCA) fusiform aneurysm initially treated with endovascular flow diversion. The flow diversion construct underwent postoperative in-stent thrombosis, necessitating surgical resection of the aneurysm to eliminate mass ...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2017.04.070
更新日期:2017-07-01 00:00:00
abstract::Control of bleeding in the confined area of the skull is imperative for successful neurosurgery and the prevention of devastating complications such as postoperative hemorrhage. This paper reviews the historical evolution of methods to achieve successful hemostasis in neurosurgery from the early1800s to today. The maj...
journal_title:World neurosurgery
pub_type: 杂志文章,评审
doi:10.1016/j.wneu.2018.12.015
更新日期:2018-12-19 00:00:00
abstract:OBJECTIVE:To examine the influence of cerebral vasospasm on health-related quality of life after subarachnoid hemorrhage. An additional objective was to determine how the timing of nimodipine therapy can influence health-related quality of life. METHODS:Patients treated between 1998 and 2008 for nontraumatic subarachn...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2012.09.011
更新日期:2013-07-01 00:00:00
abstract:OBJECTIVE:This study set out to investigate the relationships between the neutrophil-to-albumin ratio (NAR) in the early stages of aneurysmal subarachnoid hemorrhage (aSAH) and the occurrence of delayed cerebral ischemia (DCI). METHODS:A total of 439 patients with aSAH were included in this retrospective study. NAR as...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2020.12.084
更新日期:2020-12-26 00:00:00
abstract:BACKGROUND:It remains controversial which bypass methods are optimal for treating adult moyamoya angiopathy patients. This study aimed to analyze the literature about whether different bypass methods affect differently outcome results of adult moyamoya patients with symptoms or hemodynamic instability. METHODS:A syste...
journal_title:World neurosurgery
pub_type: 杂志文章,meta分析,评审
doi:10.1016/j.wneu.2016.07.009
更新日期:2016-10-01 00:00:00
abstract:BACKGROUND:Metastatic tumors involving the pituitary gland are very rare, with only few cases reported so far in the literature. CASE DESCRIPTION:We report a case of a man who presented with an extremely vascular hemorrhagic pituitary metastasis as the first manifestation of renal cell carcinoma. The patient was succe...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2012.09.006
更新日期:2013-05-01 00:00:00
abstract:OBJECTIVE:To explore influence of reduction of slippage on radiologic parameters, clinical outcomes, and perioperative complications in treatment of grade II/III lumbar isthmic spondylolisthesis. METHODS:We divided 156 patients with grade II/III spondylolisthesis into 2 groups with preoperative balanced or unbalanced ...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2018.08.217
更新日期:2018-12-01 00:00:00
abstract:BACKGROUND:Consistent data on head injury is lacking especially in the low- and middle-income countries. Our study tries to characterize patients with head injury at the emergency department of one of the few tertiary public hospitals giving neurosurgical care in the country. METHODS:A retrospective cross-sectional st...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2019.03.044
更新日期:2019-07-01 00:00:00
abstract::This paper explores the clinical effect of midazolam as an adjuvant analgesic and tranquilizer after brachial plexus block anaesthesia with the aid of medical imaging. The paper selected 106 patients who underwent elective unilateral upper extremity surgery from January 2017 to December 2019, and randomly divided them...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2020.11.101
更新日期:2020-11-26 00:00:00
abstract:BACKGROUND:Approximately 60 cases of schwannoma unrelated to the cranial nerve have been reported, and only 12 arose from the tentorium. We present a case of tentorial schwannoma extending into the pons and midbrain without cranial nerve involvement, which was almost totally resected with an occipital transtentorial ap...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2016.11.049
更新日期:2017-02-01 00:00:00
abstract:INTRODUCTION:Vertebral compression fractures are a common clinical occurrence in elderly individuals with osteoporosis. No current evidence exists on risk factors and clinical impact of discharge to inpatient (IP) care facility after vertebral augmentation procedures. MATERIALS AND METHODS:The 2012-2014 American Colle...
journal_title:World neurosurgery
pub_type: 杂志文章,多中心研究
doi:10.1016/j.wneu.2018.06.221
更新日期:2018-10-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2018.08.056
更新日期:2018-12-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2015.10.051
更新日期:2016-03-01 00:00:00
abstract:BACKGROUND:For children who survive traumatic atlantooccipital dislocation (AOD), early surgical stabilization and arthrodesis of the occipitoatlantoaxial complex is typically performed. Because of the unique and crowded anatomy of the occipitocervical junction, the creation of a fusion construct that is both safe and ...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2011.12.079
更新日期:2012-12-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2018.02.053
更新日期:2018-05-01 00:00:00
abstract:BACKGROUND:Intracranial-intracranial bypass is a valuable cerebral revascularization option. Despite several advantages, one of the main shortcomings of the intracranial-intracranial bypass is the possibility of ischemic complications of the donor artery. However, when sacrificed, the temporopolar artery (TPA) is not a...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2017.04.142
更新日期:2017-08-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2017.05.003
更新日期:2017-08-01 00:00:00
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journal_title:World neurosurgery
pub_type:
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更新日期:2020-05-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2017.05.077
更新日期:2017-08-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2018.03.138
更新日期:2018-06-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章,评审
doi:10.1016/j.wneu.2012.08.002
更新日期:2013-05-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2019.01.163
更新日期:2019-05-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2018.06.065
更新日期:2018-09-01 00:00:00
abstract::The use of lateral mass atlas screws is an important technique to achieve fusion and stability at the craniocervical region affected by different pathologies (degenerative, traumatic, inflammatory, neoplastic, or congenital). This paper describes the anatomy and techniques necessary for proper insertion of posterior C...
journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2010.05.010
更新日期:2010-08-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2012.11.053
更新日期:2013-12-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章
doi:10.1016/j.wneu.2019.05.197
更新日期:2019-09-01 00:00:00
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journal_title:World neurosurgery
pub_type: 杂志文章,多中心研究
doi:10.1016/j.wneu.2018.07.178
更新日期:2018-11-01 00:00:00