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Background The diagnosis of isolated cortical vein thrombosis (ICVT) involving superficial middle cerebral vein (SMCV) remains challenging even in the present era of modern MRI protocols. Objective The purpose of this study is to review the clinical and radiological characteristics of SMCV thrombosis in our hospital. Methods Chart review of cases of SMCV thrombosis admitted in a tertiary care university hospital in South India during a 1-year period from September 2015 to August 2016. Results Five SMCV thrombosis patients were identified and presented with focal seizures. Neuroimaging showed edema (with or without hemorrhage) of cortex and white matter of inferior frontal gyrus, temporal pole, superior temporal gyrus, insular cortex, and external capsule. The thrombosis of SMCV was demonstrated by Spin echo T1-weighted, GRE-weighted axial, and postcontrast T1-weighted images in coronal and sagittal planes, with a slice thickness of less then 3 mm. Four received anticoagulation and all improved rapidly and completely. Conclusion SMCV thrombosis should be considered in patients having recent onset seizures in appropriate setting based on MRI evidence of parenchymal edema and/or hemorrhage in the perisylvian region along with evidence of thrombosed vein in that region. Appropriate imaging sequences help in confirmation of diagnosis.Background This prospective study analyzes the factors responsible for pre and postoperative persistent tinnitus following vestibular schwannoma (VS) surgery and discusses the possible etiopathogenetic mechanisms. Materials and Methods Sixty-seven consecutive patients with unilateral VS operated via the retrosigmoid-suboccipital approach were included in the study. The Cochlear nerve, often unidentifiable from the tumor capsule, was resected during the surgery. https://www.selleckchem.com/products/deferoxamine-mesylate.html Tinnitus Handicap Inventory (THI) score assessed the severity of pre and postoperative tinnitus. Result Twenty-eight (41%) patients had preoperative tinnitus. Out of those 28 patients, 24(85%) had significantly improvement in postoperative THI score. In 15 of the 24 patients, tinnitus subsided completely. In 3 of the 28 (10%) patients, THI scores were unaltered, and in 1 of the 28 (3.5%) patients, THI scores worsened. In 39 (58.2%) patients without preoperative tinnitus, 4 (10%) developed a new-onset postoperative tinnitus. Patients with severe sensory neural hearing loss (SNHL) had significantly higher incidence of postoperative persistent tinnitus (PPT) (P = 0.00) compared to those with mild-to-moderate SNHL. Patients with profound SNHL, however, had a much lower incidence of PPT (P = 0.007; odds ratio = 0. 0.077; 95% CI 0.009-0.637). Large (P = 0.07) and giant schwannomas (P = 0.03) VS had an increased risk of PPT. Patients with PPT further analyzed with brain stem auditory evoked response (BAER) showed normal contralateral waveform. Conclusion Assessment of tinnitus is mandatory during the management of VS as there are high chances (nearly 46%) of PPT. Preoperative tinnitus, linked to the degree of SNHL (higher incidence in severe SNHL compared to mild-to-moderate/profound SNHL), is dependent on an intact cochlear nerve functioning. However, PPT is dependent on other mechanisms (brain stem/ipsilateral cochlear nuclei compression, and cortical reorganization) as it persists despite cochlear nerve resection.Background The current study was planned at a tertiary centre in northern India to develop and validate a Diagnostic and Statistical Manual-5 (DSM-5)-based diagnostic tool and design a severity score for attention deficit hyperactivity disorder (ADHD) in children aged 6-18 years. An existing DSM-IV-based tool, INDT (International Clinical Epidemiology Network [INCLEN] diagnostic tool) for ADHD has been modified and named All India Institute of Medical Sciences (AIIMS)-modified INDT ADHD tool. Method The first phase was development of the tool and the second phase was validation of the same against the gold standard of diagnosis by the DSM-5. A severity score was developed for ADHD in concordance with the Conners rating scale. Results The tool was validated in 66 children with a sensitivity and specificity of 100 per cent and 90 per cent, respectively. A cut-off score of 12 was decided for labelling severity of ADHD, which corresponded to 63 in the Conners rating scale. Conclusion This diagnostic tool for ADHD based on DSM-5 has acceptable psychometric properties. The severity score will be useful for prognostication, monitoring treatment response, and designing intervention trials.Background Delayed hyponatremia is a serious complication seen after pituitary surgery. We document the incidence, presentation, outcome and risk factors for this condition. Materials and Methods This was a retrospective study involving 222 patients operated for nonfunctioning pituitary macroadenomas between 2007-2016. Delayed hyponatremia was defined as serum sodium 138 mmol/L (day 1-day 3) were unlikely to develop delayed hyponatremia (sensitivity, 55.2% and specificity, 83.9%), positive predictive value, 63.2% [confidence interval (CI) 48, 76.7%] and negative predictive value, 78.8% (CI 70.6, 85.5%). In most patients (57%) hyponatremia was corrected within 48 hours (h). Conclusions We recommend routine serum sodium testing on the seventh post-operative day for all patients undergoing pituitary surgery. Most patients remain asymptomatic and unless they are detected early they can go on to develop serious complications.Background and Purpose The purpose of this study is to evaluate posterior cerebral artery (PCA) aneurysms along with the efficacy, safety, procedural, and clinical outcome of the endovascular management of these aneurysms. We studied different techniques of endovascular treatment such as selective aneurysmal coiling, parent artery occlusion, and stent-assisted coiling in PCA aneurysms. Methods From 2010 to 2017, 11 patients (8 females, 3 males) harboring a PCA aneurysm were treated via an endovascular approach. Seven of eleven aneurysms were saccular in nature; four were fusiform shaped. All aneurysms were treated using detachable coils either by selective obliteration of the aneurysm sac or by parent artery occlusion. In one patient, stent-assisted coiling of PCA aneurysm was done, and in one patient, flowdivertor along with few coils used to treat the aneurysm. Results Five of the eleven aneurysms were successfully treated with preservation of the parent artery, and the other six were treated with aneurysm coiling along with parent vessel occlusion.
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