Ultrasonographic Assessment of Optic Nerve Sheath Diameter as a Screening Tool for Intracranial Hypertension in Traumatic Brain Injury.

Background: Severe traumatic brain injury (TBI) is a condition burdened by high morbidity and mortality. Prevention of secondary insults is 1 of the main goals of management and intracranial pressure (ICP) monitoring is a cornerstone in management of TBI. The relationship between ICP and optic nerve sheath is known from the literature.

Frequency of brain ventricular enlargement among patients with diabetes mellitus.

Aims: To determine the prevalence of dilated ventricles and concomitant high blood glucose measures.

Methods: We retrieved blood glucose measures from the emergency department database and selected a subgroup of individuals having both the radiological marker Evans' index (EI) values and blood glucose measures.

Results: Out of 1221 consecutive patients submitted to axial Computed Tomography scans, a blood glucose measure was detected in 841 individuals.

Cerebellum's Contribution to Attention, Executive Functions and Timing: Psychophysiological Evidence from Event-Related Potentials.

Since 1998, when Schmahmann first proposed the concept of the "cognitive affective syndrome" that linked cerebellar damage to cognitive and emotional impairments, a substantial body of literature has emerged. Anatomical, neurophysiological, and functional neuroimaging data suggest that the cerebellum contributes to cognitive functions through specific cerebral-cerebellar connections organized in a series of parallel loops. The aim of this paper is to review the current findings on the involvement of the cerebellum in selective cognitive functions, using a psychophysiological perspective with event-related potentials (ERPs), alone or in combination with non-invasive brain stimulation techniques.

Balloon-Assisted Corpus Callosotomy. Reducing the Impact of Transcallosal Approaches.

Background: The interhemispheric transcallosal approach is widely used to remove intraventricular lesions. Corpus callosotomy gives immediate access to the ventricular chambers but is invasive in nature. Loss of callosal fibers, although normally tolerate, may cause disturbances ranging from a classical disconnection syndrome up to minor neuropsychological changes.

The Central Cord Syndrome in Patients with Cervical Spinal Cord Tumors: A 19th-Century Vignette from (Karl) Julius Vogel (1814-1880).

Between 1830 and 1850, (Karl) Julius Vogel was one of the most important German pathologists. He received his doctorate in medicine in 1838 from the University of Munich and habilitation in pathology in 1840. In 1846, he moved to the University of Giessen as a full professor of pathology.

Cotinine levels influence the risk of rupture of brain aneurysms.

Unlabelled: Cotinine, the primary metabolite of nicotine, is currently regarded as the best biomarker of tobacco smoke exposure. We aim to assess whether cotinine levels are associated with (1) intracranial aneurysm and (2) intracranial aneurysm rupture.

Methods: We performed a single-center case-control study.

Factor XI deficiency and delayed hemorrhages after resection of choroid plexus papilloma: illustrative case.

Background: Factor XI deficiency, also known as hemophilia C, is a rare inherited bleeding disorder that may leave routine coagulation parameters within normal range. Depending on the mutation subtype, prolonged activated partial thromboplastin time may occasionally be found. The disease has an autosomal transmission, with an estimated prevalence in the general population of approximately 1 in 1 million.

Temporal Horn Enlargements Predict Secondary Hydrocephalus Diagnosis Earlier than Evans' Index.

The aim of this study was to identify early radiological signs of secondary hydrocephalus. We retrieved neuroradiological data from scans performed at various times in patients who underwent surgery for secondary hydrocephalus due to severe traumatic brain injury (TBI), subarachnoid haemorrhage (SAH), or brain tumour (BT). Baseline measurements, performed on the earliest images acquired after the neurological event (T0), included Evans’ index, the distance between frontal horns, and the widths of both temporal horns.

Third Cranial Nerve Palsy after Monoclonal Antibody Therapy for Lung Cancer: A Case Report.

Immune checkpoint inhibitors (ICIs) have shown promise in treating cancer patients, and pembrolizumab is a monoclonal IgG4 antibody that targets a human cell surface protein (receptor) called PD-1. Among the side effects, a rare cranial nerve palsy unrelated to the surgical treatment may occur. We report a case of a woman, which after neurosurgical treatment for cerebellar metastasis presented painless third cranial nerve palsy.

Surgical Treatment of Single Pontomedullary Junction Metastasis from Lung Cancer.

Background: When lung cancer develops a solitary metastasis at the pontomedullary junction, due to surgical risk, the current oncologic treatment is radiosurgery and chemotherapy. . We describe a patient with a single intrinsic metastasis at the pons and medulla.

Near-Infrared Transflectance Spectroscopy Discriminates Solutions Containing Two Commercial Formulations of Botulinum Toxin Type A Diluted at Recommended Volumes for Clinical Reconstitution.

Botulinum neurotoxin type A (BoNT-A) is the active substance in pharmaceutical preparations widely used worldwide for the highly effective treatment of various disorders. Among the three commercial formulations of BoNT-A currently available in Italy for neurological indications, abobotulinum A toxin (Dysport, Ipsen SpA, Milano, Italy) and incobotulinum A toxin (Xeomin, Merz Pharma Italia srl, Milano, Italy) differ in the content of neurotoxin, non-toxic protein, and excipients. Clinical applications of BoNT-A adopt extremely diluted solutions (10 mg/mL) for injection in the target body district.

Emergent carotid stenting versus no stenting for acute ischemic stroke due to tandem occlusion: a meta-analysis.

Background: Emergent carotid artery stenting (eCAS) is performed during mechanical thrombectomy for acute ischemic stroke due to tandem occlusion. However, the optimal management strategy in this setting is still unclear.

Objective: To carry out a systematic review and meta-analysis to investigate the safety and efficacy of eCAS in patients with tandem occlusion.

Habituation of Somatosensory Evoked Potentials in Patients with Alzheimer's Disease and Those with Vascular Dementia.

: The most prevalent dementia are Alzheimer's disease and vascular dementia. There is evidence that cortical synaptic function may differ in these two conditions. Habituation of cortical responses to repeated stimuli is a well-preserved phenomenon in a normal brain cortex, related to an underlying mechanism of synaptic efficacy regulation.

Preoperative brain shift is a prognostic factor for survival in certain neurosurgical diseases other than severe head injury: a case series and literature review.

Preoperative brain shift after severe brain injury is a prognostic factor for survival. The aim of this study was to determine whether preoperative brain shift in conditions other than severe head injury has significant prognostic value. We analyzed a radiological database of 800 consecutive patients, who underwent neurosurgical treatment.

In vivo non-invasive near-infrared spectroscopy distinguishes normal, post-stroke, and botulinum toxin treated human muscles.

In post-stroke hemiparesis, neural impairment alters muscle control, causing abnormal movement and posture in the affected limbs. A decrease in voluntary use of the paretic arm and flexed posture during rest also induce secondary tissue transformation in the upper limb muscles. To obtain a specific, accurate, and reproducible marker of the current biological status of muscles, we collected visible (VIS) and short-wave Infrared (SWIR) reflectance spectra in vivo using a portable spectroradiometer (350-2500 nm), which provided the spectral fingerprints of the elbow flexors and extensors.

Interhemispheric contralateral approach: the falx as a retractor.

The contralateral transfalcine approach is a valuable option to access lesions around the mesial surface of the brain hemispheres. Despite a favourable perspective, surgical manoeuvres within the interhemispheric fissure carry a risk of inadvertent injury to the healthy cortex on the craniotomy side. To overcome this drawback, a new method of brain retraction was developed.

A dataset of visible - short wave infrared reflectance spectra collected on the dorsal and ventral aspect of arms.

Advancement of technology and device miniaturization have made near infrared spectroscopy (NIRS) techniques cost-effective, small-sized, simple, and ready to use. We applied NIRS to analyze healthy human muscles in vivo, and we found that this technique produces reliable and reproducible spectral "fingerprints" of individual muscles, that can be successfully discriminated by chemometric predictive models. The dataset presented in this descriptor contains the reflectance spectra acquired in vivo from the ventral and dorsal aspects of the arm using an ASD FieldSpec® 4 Standard-Res field portable spectroradiometer (350-2500 nm), the values of the anthropometric variables measured in each subject, and the codes to assist access to the spectral data.

Intracranial meningioma and concomitant cavernous malformation: A series description and review of the literature.

Objectives: Intracranial meningioma with concomitant cavernous malformation has been rarely described in the literature. This study aimed to investigate the correct neurosurgical conduct.

Patients And Methods: We retrieved clinical and radiological data for 39 outpatients or patients that underwent surgery (mean age: 60 years; n = 25 females) for a single or multiple meningiomas and concomitant single or multiple cavernous malformations.