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Article
Open AccessIntracranial angioleiomyoma: a case series of seven patients and review of the literature
Angioleiomyoma, predominantly arising from the extremities, is a benign soft tissue tumor. Reports on its intracranial location are rare. We assessed clinical, radiological, and pathological features of intrac...
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Article
Open AccessWhy We Should Stop Using the Kogut and Singh Index
The Kogut and Singh (J Int Bus Stud 19(3):411–432, 1988) index is the most widely used construct to measure cultural distance in international business and management research. We show that this index is incorrec...
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Article
The Corporate Political Activity of MNCs: Taking Stock and Moving Forward
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Article
Internationalization Speed and Firm Performance: A Study of the Market-Seeking Expansion of Retail MNEs
Existing research is divided on whether firms that rapidly expand their overseas operations perform better than firms that internationalize slowly. Drawing on Penrose’s theory of the growth of the firm, we arg...
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Article
The contingent effect of state participation on the dissolution of international joint ventures: A resource dependence approach
We adopt a resource dependence approach to explain the effect of state participation on the dissolution of international joint ventures (IJVs). While resource dependence theory (RDT) has been used to explain t...
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Article
Open AccessArea-dependent time courses of brain activation during video-induced symptom provocation in social anxiety disorder
Previous functional imaging studies using symptom provocation in patients with social anxiety disorder (SAD) reported inconsistent findings, which might be at least partially related to different time-dependen...
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Article
Impact of a new metal artefact reduction algorithm in the noninvasive follow-up of intracranial clips, coils, and stents with flat-panel angiographic CTA: initial results
Flat-panel angiographic CT after intravenous contrast agent application (ivACT) is increasingly used as a follow-up examination after coiling, clip**, or stenting. The purpose of this study was to evaluate t...
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Article
Open AccessNecrotizing infundibulo-hypophysitis: an entity too rare to be true?
We report a young woman with sudden and severe retroorbital headache, neck pain, and a large sellar mass extending to the suprasellar cistern. A presumptive diagnosis of non-secreting pituitary macroadenoma un...
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Article
Open AccessComparing different MR angiography strategies of carotid stents in a vascular flow model: toward stent-specific recommendations in MR follow-up
Carotid artery stenting (CAS) requires adequate follow-up imaging to assess complications such as in-stent stenosis or occlusion. Options include digital subtraction angiography, CT angiography, ultrasound, an...
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Article
Open AccessEvaluation of angiographic computed tomography in the follow-up after endovascular treatment of cerebral aneurysms—a comparative study with DSA and TOF-MRA
Following coil embolization of intracranial aneurysms, many centers perform at least one digital subtraction angiography (DSA) continuing with time-of-flight magnetic resonance angiography (TOF-MRA). Angiograp...
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Article
Open AccessNo advantage of time-of-flight magnetic resonance angiography at 3 Tesla compared to 1.5 Tesla in the follow-up after endovascular treatment of cerebral aneurysms
Long-term follow-up after coil embolization of intracranial aneurysms is mandatory to monitor coil compacting and aneurysm recurrence. Most centers perform one digital subtraction angiography (DSA) on follow-u...
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Article
T2*-weighted MRI in diagnosis of multiple system atrophy
Putaminal iron deposition is a histopathological feature of multiple system atrophy (MSA), which is not observed in patients with idiopathic Parkinson’s disease (PD). T2*-weighted magnetic resonance imaging (M...
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Article
Exploring the Relationship Between Trust and Control — An Empirical Analysis of Sino-German Joint Ventures
Trust and control are recurring themes in the research on international joint ventures (IJVs). So far, however, researchers have mainly focused on analysing either trust or control and its association with IJV...
