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Objectives. To determine the treatment effect of corticosteroids in periradicular therapy (PRT) for radicular pain and to compare different types of corticosteroids and ozone. We also examined the effect in different indication groups for periradicular therapy for each type of treatment agent. Background. Various studies have examined the therapeutic value of periradicular infiltration using treatment agents consisting of local anesthetic and corticosteroids or ozone application for radicular pain. This is the first study to compare different types of corticosteroids and ozone. Methods. Eligible patients with radicular pain who failed conservative management were divided into five indication groups and prospectively followed to assess the PRT effect of corticosteroids or ozone application. PRT was performed under computer tomography (CT) monitoring. A set of three PRT applications in three weeks was applied and the outcome was evaluated using a visual analogue score for back and leg pain. The in-group and between-group treatment effect was tested using the Wilcoxon signed-rank test and the Kruskal-Wallis H-test with Dunn's post-hoc tests, respectively. The dependency between treatment effectiveness and indication for each group was tested using the Kruskal-Wallis H-test and Dunn's post-hoc tests. Results. We prospectively followed 150 patients, randomized into three groups of 50 patients each. The follow-up rate was 100%. All three treatment agents showed a statistically significant treatment effect (P

Background. Transsphenoid meningoencephalocele is a congenital anomaly formed by herniation of an ependyma delimited sac through a bony defect into the sphenoid sinus. The sac contains cerebrospinal fluid and neurovascular structures. The prevalence of transsphenoid meningoencephalocele in the adult population is rare. It usually manifests as nasal liquorrhoea. Methods and Results. This case report presents an adult male who underwent surgery due to suspected pituitary macroadenoma. The surgery was performed endoscopically via the transnasal approach with a surprising finding of true transsphenoid meningoencephalocele. Ectopic solid tissue was found in the sphenoid sinus in which pituitary adenoma was histologically confirmed. Conclusion. This paper presents a previously unpublished combination of true transsphenoid meningoencephalocele and pituitary adenoma in an adult individual.

Background. Stroke-like syndrome is defined as a rare, delayed complication of brain oncotherapy. Cases with more favorable brain cancer diagnoses and longer life expectancy have been previously reported, but here we present, for the first time, three long-term survivors of glioblastoma with stroke-like syndromes. Methods and Results. Three young or middle-aged patients underwent tumor resection and chemoradiotherapy. They received regular clinical and imaging follow-up with stable neurological status and no signs of tumor recurrence. They exhibited varied signs and symptoms (motor and sensory deficits, aphasia, memory and cognitive disorders, seizures, and headache) accompanied by imaging abnormalities. Stroke-like syndromes developed within 2-5 days and resolved in 2-6 weeks. Diffusion-weighted MRI and T2 brain perfusion abnormalities were demonstrated in all patients. In addition, there was focal T1 MRI contrast enhancement due to blood-brain barrier disruption. In addition to tumor recurrence, classic stroke, encephalitis, metabolic and mitochondrial disorders, and post-seizure swelling should be excluded. The imaging indicated intensive MRI scanning and symptomatic medication (steroids supplemented by antiepileptics, vasoactive agents, etc.) for judicious management. With respect to the course, an invasive procedure was still considered an option. Conclusion. All stroke-like syndromes are diagnoses of exclusion. To avoid misinterpretation of imaging findings as glioblastoma recurrence and avert recall oncotherapy or redundant interventions, better understanding of delayed complications of brain tumor therapy is crucial.

Aims. Angiotensin converting enzyme inhibitors (ACEI) have been recently discussed in connection with the medical treatment of chronic subdural haematoma (CSDH). They may improve the treatment results. The objective of our study was to evaluate the impact of ACEI on the development of CSDH. The first question was to assess the impact of ACEI on postoperative CSDH healing. The second was to assess the impact of ACEI on the development of CSDH as such. Patients and Methods. The study recruited patients treated surgically for CSDH at our department in the 2013-2018 period. Based on medical records, we retrospectively evaluated the clinical condition of the patients, their history (mainly pharmacological - the use of ACEI) and the course of treatment focussing on the reoccurrence of disease necessitating further therapeutic interventions. For the purpose of evaluating the impact of ACEI on postoperative CSDH healing, the patients were divided into two groups: those using ACEI and those without this medication. The results were compared. We also compared the prevalence of ACEI use in patients with CSDH with the prevalence of ACEI in the comparable population. The difference of the rates allowed us to evaluate the impact of ACEI on the development of CSDH itself. Results. Of the 217 patients after surgery for CSDH, 79 continued the use of ACEI; the remaining 138 patients did not use this medication. Patients using ACEI after the surgery experienced a recurrence in 24 (30.4%) cases; patients without ACEI in 37 (26.8%) cases. A negligibly higher number of recurrences was recorded in patients with postoperative use of ACEI, but this difference was not statistically significant (P=0.574). Of a total of 230 patients who underwent surgery for CSDH, 81 were using ACEI chronically (35.2%). In the control group of 100 patients, 38 (38.0%) patients used ACEI. The difference was not statistically significant (P=0.629), so it is not possible to assume that ACEIs influence the development of CSDH as such. Conclusion. The initial high hopes for a positive ACEI effect on the healing of CSDH are now waived after the publication of several recent studies. According to our present knowledge, the development of CSDH does not appear to be influenced by ACEI use.

Aim: The aim of this study was to identify retrospectively, lumbar sympathectomy (SE) using thermography (TG) and to evaluate clinically, the severity of post-sympathectomy (post-SE) dysfunction after anterior and lateral lumbar interbody fusion procedures (ALIF, XLIF). Methods: Twenty eight patients with suspected SE were referred for TG to both legs. They completed our questionnaire on severity of difficulties after SE. We evaluated the ability of physical examinations to reveal the SE in contrast to TG and compared the symptoms (warmer leg and inhibited leg sweating) of SE with questionnaire responses as subjective measure and TG as objective measure. Results: SE was diagnosed in 0.5% after ALIF at L5/S1, in 15% after ALIF at Th12-L5 and in 4% after XLIF at T12-L5. SE severely reduced the quality of life in two cases. The ability to distinguish differences in leg temperature by palpation after SE was found in 32%. All physical examinations together were insufficient for reliably disclosing SE. Subjective symptoms of SE were often false positive and proven SE by TG was often a clinically false negative. Conclusion: This is the first study to examine post-SE dysfunction objectivelya using TG after ALIF and XLIF, and the first to evaluate clinically, the severity of the post-SE syndrome. Before surgery we cannot foresee potentially poor SE results. For this reason, injury to the sympathetic chain during surgery must be avoided. The advantage of TG for identifying SE is its non-invasiveness and reliability.

Aim: The aim of this study was to compare resection and biopsy of glioblastoma (GBM) in eloquent brain areas (EBA). Methods: This was a prospective evaluation of 38 patients with GBM in EBA. 22 were treated by surgical resection and 16 by biopsy. Preoperative KPS, neurological status and size of lesion on MRI were assessed. One week and three months postoperatively KPS, neurological status and Performance Status (PS) WHO were evaluated. Extent of resection (EOR) and overall survival (OS) were described. Overall mean age of the patients was 64.3 years, the mean lesion size in the resection group was 47.7 mm and in the biopsy group 51.0 mm. Results: Worsening or development of permanent neurological deficits 3 months after surgery were significantly lower in the resection group (23%), than the biopsy group (94%). In the resection group the median pre and postoperative KPS three months after surgery was 80.0. In the biopsy group the median pre and postoperative KPS was 68.1 one week after the procedure. In the resection group, 3 months after surgery, the median PS was 1, in the biopsy group one week after surgery the median PS was 2. The difference was statistically insignificant. The mean OS after resection was 12.2 months, and after biopsy 3.5 months. The difference was highly statistically significant. The mean EOR was 90%. Conclusion: This is the first prospective study, to our knowledge, that compares the results of resection and biopsy of primary GBM in EBA. For patients in good clinical condition with tumors in or near EBA, recommended is as radical resection of GBM as possible.