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Severe bilateral subdural hematomas as a complication of diagnostic lumbar puncture for possible Alzheimer ’s disease
Post lumbar puncture headache (PLPH) is a benign condition and the most frequent complication of spinal anesthesia or lumbar puncture (LP). Subdural hematoma (SDH) is a rare but potentially life-threatening complication. The true incidence of post- LP SDH is unknown [1]. The multicenter study on LP feasibility showed that diagnostic LPs can safely be performed in memory clinics. Severe complications were very rare (0.7% of the study population) and no SDH was reported2. Only a few weeks after the multicenter LP study ended and to which our center participated, we diagnosed a severe bilateral SDH in a patient who underwent ...
Source: Clinical Neurology and Neurosurgery - December 7, 2016 Category: Neurosurgery Authors: Lieven Verslegers, Katlijn Schotsmans, Massimiliano Montagna, Bart Feyen, Lars De Jong, Roel Crols, Sebastiaan Engelborghs Tags: Case Report Source Type: research

Clinical characteristics of headache or facial pain prior to the development of acute herpes zoster of the head
In 70 –80% of patients with herpes zoster, a prodrome of dermatomal pain begins several days before the appearance of the characteristic rash [1]. This pain has been described as sharp, stabbing, tender, shooting, throbbing, itching and hot. Herpes zoster with craniocervical involvement tends to be more severe and cause greater pain [2]. When physicians encounter patients with headache or facial pain (preeruptive pain) associated with acute herpes zoster of the head before the characteristic skin eruptions appear (preeruptive phase), they often find it difficult to make clinical impressions and pr oceed with appropriate ...
Source: Clinical Neurology and Neurosurgery - December 7, 2016 Category: Neurosurgery Authors: Hye Lim Lee, Minju Yeo, Gi Hwa Choi, Ji Yeoun Lee, Ji Seon Kim, Dong-Ick Shin, Sang-Soo Lee, Sung-Hyun Lee Source Type: research

The Effect of Renal Dysfunction on Short-Term Outcomes After Lumbar Fusion
Chronic kidney disease (CKD) remains a worldwide public health problem, with a rising incidence and prevalence of kidney failure [1,2]. Over 660,000 individuals in the USA currently suffer from end-stage renal disease (ESRD) and 88% of these patients are being treated with hemodialysis (HD) [2] CKD ’s clinical progression is correlated with a multitude of major complications, including an increased risk of anemia, hyperlipidemia, metabolic bone disease, and cardiovascular disease. [3]. CKD patients have poorer quality of life, greater overall health care services utilization, and higher rate s of morbidity and mortality ...
Source: Clinical Neurology and Neurosurgery - December 5, 2016 Category: Neurosurgery Authors: Taylor E. Purvis, Remi A. Kessler, Christine Boone, Benjamin D. Elder, C. Rory Goodwin, Daniel M. Sciubba Source Type: research

A Hero in the Strife
Fuad Sami Haddad was born in 1924 in Beirut, Lebanon. In 1950 he was recruited as a resident in neurosurgery at the Montreal Neurological Institute under Wilder Penfield. Five years later he returned home to the American University of Beirut, where for many years he was the only neurosurgeon certified by the American Board of Neurosurgery. He was an excellent polyglot, speaking Arabic, French, and English fluently, with German more mundane. His hard work, excellent organizational skills, exceptional surgical credentials, and contagious cheerfulness soon made him the necessary link between different scientific societies all...
Source: Clinical Neurology and Neurosurgery - December 4, 2016 Category: Neurosurgery Authors: Georges F. Haddad, Patrick W. Hitchon Source Type: research

Toxoplasmosis versus Lymphoma: Cerebral Lesion Characterization Using DSC-MRI Revisited
Cerebral toxoplasmosis and lymphoma are the two most common cerebral lesions in patients with acquired immune deficiency syndrome, [1] but both can occur in immune competent patients, and immune status may be unknown at time of imaging. Although imaging-based diagnosis can facilitate early initiation of appropriate therapy, these entities are often indistinguishable by conventional contrast-enhanced MRI. [2,3] Advanced MRI techniques including diffusion-weighted imaging (DWI), MR spectroscopy (MRS), and dynamic susceptibility contrast (DSC) MRI have been used to characterize lymphoma [4 –6] and toxoplasmosis, [7,8] to di...
Source: Clinical Neurology and Neurosurgery - December 1, 2016 Category: Neurosurgery Authors: Elizabeth H. Dibble, Jerrold L. Boxerman, Grayson L. Baird, John Donahue, Jeffrey M. Rogg Tags: Full Length Article Source Type: research

Description of the Anterior Cerebral Artery and its Cortical Branches: Variation in presence, origin, and size
The anterior cerebral artery (ACA) supplies the medial hemisphere and its cortical branches include the infra-orbital artery (IfO), frontopolar artery (FpA), anterior internal frontal artery (AIFA), middle internal frontal artery (MIFA), posterior internal frontal artery (PIFA), callosomarginal artery (CmA), paracentral lobule artery (PLA), superior internal parietal artery (SIPA) and inferior internal parietal artery (IIPA). Certain aspects of these cortical branches tend to vary. This includes absent or additional arteries, variation in origin, and changes to the diameter and length. (Source: Clinical Neurology and Neurosurgery)
Source: Clinical Neurology and Neurosurgery - December 1, 2016 Category: Neurosurgery Authors: K. Cilliers, B.J. Page Source Type: research

Petroclival meningiomas: remaining controversies in light of minimally invasive approaches
Meningiomas are usually benign lesions that account for 20 –25% of intracranial tumors, and 10% occur in the posterior fossa. Of these, 5–11% affect the petroclival region, accounting for 0.15% of intracranial masses overall [1,2]. Surgical resection of petroclival meningiomas remains challenging due to their depth and relationship to vital neurovascula r structures. (Source: Clinical Neurology and Neurosurgery)
Source: Clinical Neurology and Neurosurgery - November 28, 2016 Category: Neurosurgery Authors: S âmia Yasin Wayhs, Guilherme Alves Lepski, Leonardo Frighetto, Gustavo Rassier Isolan Source Type: research

Response to letter regarding article: “The possible effects of the solar and geomagnetic activity on multiple sclerosis”
Dear Editor, (Source: Clinical Neurology and Neurosurgery)
Source: Clinical Neurology and Neurosurgery - November 24, 2016 Category: Neurosurgery Authors: Odysseas Kargiotis, Panagiota Preka-Papadema, Panagiotis Papathanasopoulos Source Type: research

Response to Letter Regarding Article: ‘The possible effects of the solar and geomagnetic activity on multiple sclerosis.’
Dear Editor, (Source: Clinical Neurology and Neurosurgery)
Source: Clinical Neurology and Neurosurgery - November 24, 2016 Category: Neurosurgery Authors: Odysseas Kargiotis, Panagiota Preka-Papadema, Panagiotis Papathanasopoulos Source Type: research

The Relationship Between MRI Quantitative Parameters and The Expression of Hypoxia Inducible Factor-1 alpha in Cerebral Astrocytoma
Astrocytoma is the commonest primary cranial malignant tumor. The pathogenesis of which is not still absolutely understood for us. There is no radical cure for astrocytoma. A clinical imageology method is badly needed to precisely judge the pathological degree of the tumor and help to implement correct clinical treatment plan and prognosis judgement. The routine MRI scan has too many deficiency in diagnosis, which cannot do precisely qualitative and quantitative diagnosis of astrocytoma and cannot determine the extensive of tumor invasion,the degree of tumor proliferation and cannot judge tumor microvascular form. (Source:...
Source: Clinical Neurology and Neurosurgery - November 22, 2016 Category: Neurosurgery Authors: Chang Shu, Jinhuan Wang Tags: Full Length Article Source Type: research

Movement symptoms in European Moyamoya angiopathy — First systematic questionnaire study
Moyamoya Angiopathy (MMA) is a rare vasculopathy characterized by progressive stenosis and eventual occlusion of the distal internal carotid arteries (ICA) and the proximal cerebral arteries (anterior and medial) of the circle of Willis [1,2]. The prevalence in Asia seems to be the highest worldwide, especially in Japan and Korea [3]. The disease usually manifests with transient ischemic attacks (TIA), strokes or intracranial hemorrhages [2]. Treatment options include different revascularization techniques such as extracranial-intracranial bypass operations, but also conservative strategies using antiplatelet therapy [4]. ...
Source: Clinical Neurology and Neurosurgery - November 22, 2016 Category: Neurosurgery Authors: Markus Kraemer, Leonidas Trakolis, Jens Platzen, Jan Claudius Schwitalla, Anna Bersano, Philipp Albrecht, Marc Schlamann, Peter Berlit Source Type: research

Surgical Apgar Score in Patients Undergoing Lumbar Fusion for Degenerative Spine Diseases
Hibbs et al. reported spine fusion surgery aiming to stabilize diseased vertebrae by utilizing bone grafts as early as 1911 [1]. Since the era, fusion operation becomes a commonly-used procedure for different spinal illnesses, and one of the indications is for patients with degeneration of lumbar spine [2]. The pain and disability from instability, deformity, or spinal stenosis, can be cured or reduced by lumbar fusion operation. Technically, this procedure is familiar to surgeons, but not without significant complications [3,4]. (Source: Clinical Neurology and Neurosurgery)
Source: Clinical Neurology and Neurosurgery - November 20, 2016 Category: Neurosurgery Authors: Chien-Yu Ou, Shih-Yuan Hsu, Jian-Hao Huang, Yu-Hua Huang Source Type: research

Response by Wallace et al. to letter regarding “Quadrigeminal Perimesencephalic Subarachnoid Hemorrhage”
We thank Wu et al. for their interest and critical evaluation of our article. (Source: Clinical Neurology and Neurosurgery)
Source: Clinical Neurology and Neurosurgery - November 17, 2016 Category: Neurosurgery Authors: Adam N. Wallace, Akash P. Kansagra, Ross Vyhmeister, Ryan Viets, Justin T. Whisenant, Arindam R. Chatterjee, DeWitte T. Cross, Christopher J. Moran, Colin P. Derdeyn Tags: Letter to the Editor Source Type: research

Cisplatin-related Cerebral Infarction in Testicular Germ Cell Cancer: Short Report of Three Cases and Pathomechanism
Cisplatin-based combination therapy leads to high remission rates in germ cell cancer (GCC). Therefore, acute and chronic complications as consequences of cisplatin vascular toxicity are of special interest as they potentially contribute to significantly increased morbidity and mortality. Cerebrovascular accidents associated with cisplatin therapy in GCC patients have been occasionally described in the literature [1]. The majorities of GCC patients are young and have few or no vascular risk factors (VRF). (Source: Clinical Neurology and Neurosurgery)
Source: Clinical Neurology and Neurosurgery - November 17, 2016 Category: Neurosurgery Authors: Julia Lange, Heinrich J. Audebert, Matthias Endres, Andrea Rocco Tags: Case Report Source Type: research

Letter to the Editor Regarding “Quadrigeminal Perimesencephalic Subarachnoid Hemorrhage”
We would like to thank the authors Wallace et al. for their study titled “Quadrigeminal Perimesencephalic Subarachnoid Hemorrhage.” [1]. The authors have tried to distinguish truncal from quadrigeminal distribution of perimesencephalic subarachnoid hemorrhage. We would like to raise a few questions/concerns. (Source: Clinical Neurology and Neurosurgery)
Source: Clinical Neurology and Neurosurgery - November 16, 2016 Category: Neurosurgery Authors: Xiao Wu, Ajay Malhotra Tags: Correspondence Source Type: research