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Background: Subdural empyemas (SDEs) are rare intracranial infections mostly secondary to sinusitis. Incidence of SDEs is 5-25%. Interhemispheric SDEs are even rarer, which makes their diagnosis and treatment difficult. Aggressive surgical interventions and wide-spectrum antibiotics are needed for treatment. In this retrospective clinical study, we intended to evaluate the results of surgical management supported by antibiotics in patients with interhemispheric SDE., Methods: Clinical and radiological features, medical and surgical management and outcomes of 12 patients treated for interhemi-spheric SDE have been evaluated., Results: 12 patients were treated for interhemispheric SDE between 2005 and 2019. Ten (84%) were male, two (16%) were female. Mean age was 19 (7-38). Most common complaint was headache (100%). Five patients were diagnosed with frontal sinusitis prior SDE. Initially, three patients (27%) underwent burr hole aspiration and ten patients (83%) underwent craniotomy. In one patient both were done in the same session. Six patients were reoperated (50%). Weekly magnetic resonance imaging and blood tests were used for follow-up. All patients received antibiotics for at least 6 weeks. There was no mortality. Mean follow-up period was 10 months., Conclusion: Interhemispheric SDEs are rare, challenging intracranial infections that have been related to high morbidity and mor-tality rates in the past. Both antibiotics and surgical interventions play role in treatment. Careful choice of surgical approach and repeated surgeries if necessary, accompanied by appropriate antibiotic regimen, leads to good prognosis reducing morbidity and mortality.

Objective: To report perioperative complications in fully endoscopic lumbar discectomy (FELD)., Methods: From September 2010 to November 2016, 835 patients underwent FELD. In total, 865 disc levels were operated on. Of the 835 patients, the transforaminal (TF) approach was used in 174 patients, while 691 patients were operated on using the interlaminar (IL) approach. Surgical complications occurred in 47 patients, which were retrospectively analyzed., Results: Neurological deficits occurred in six patients. In four of these six patients, deficits resolved spontaneously. In one patient, symptoms resolved after a laminectomy procedure. In only one case, the neurological deficit was permanent. Seven patients complained of dysesthesia, which resolved spontaneously with medical treatment in four patients. In the remaining two patients, dysesthesia symptoms improved after epidural and foraminal injections. Dural tears were encountered in 26 patients. Pudendal neuralgia occurred in three patients. Two cases showed wound infection. The other complications comprised one disc infection, one retroperitoneal hematoma and one wrong level surgery., Conclusion: The FELD procedure has a steep learning curve and it is a difficult procedure to master. Surgeons should be aware of complications that can occur with the FELD procedure, most of which resolve spontaneously., (Copyright © 2017 Sociedad Española de Neurocirugía. Publicado por Elsevier España, S.L.U. All rights reserved.)

Background: The aim of this study is to evaluate functional outcome and quality of life using statistically validated tools., Methods: Participating patients were called and asked questions from the Short Form 36 (SF-36), the Disability of the Arm, Shoulder and Hand (DASH) questionnaire, a pain scale and an additional question on their satisfaction with surgery., Results: A total of 33 patients were operated by a single surgeon (MI) between 1997 and 2010 at the Neurosurgery Department of Istanbul School of Medicine. Three of these patients refused to participate and three other patients were excluded, leaving 27 patients, with an average follow-up of 79,6 months, for review. The most common cause of traumatic brachial plexus injuries (TBPI) was motor vehicle accidents. Fourteen patients had isolated supraclavicular injuries and three patients had infraclavicular injuries. The remaining 10 patients' injuries were both supra- and infraclavicular. Avulsion was encountered in three patients. The patients who were operated within the first six months after trauma represented significantly better scores in DASH, SF-36 and pain scale., Conclusion: Statistically validated tests like DASH and SF-36 questionnaires are valuable tools for evaluating TBPI patients. Centers specialized in treating TBPI with surgery may use these tests pre- and postoperatively which lead to objective personalized evaluation of patients' subjective symptoms.