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H. Bečulić, I. Sladojević, Aldin Jusic, Rasim Skomorac, Melica Imamović, A. Efendic

Aim To analyse potential clinical implications of the distance between large retroperitoneal vessels and lower segment of the lumbar spine in the supine and prone position. Methods Prospective, non-randomised study included 40 patients of different age and gender. For all patients magnetic resonance imaging of the lumbar spine was performed in supine and prone position. The level of aortal bifurcation, common iliac vein confluence, the distance from the anterior and posterior aspect of the annulus to the posterior wall of the large retroperitoneal vessels were analysed. Results The study included 40 patients, 22 (55%) males and 18 (45%) females. The level of aortal bifurcation was higher in prone compared to supine position (χ2 = 29.88571; p<0.05). In supine and prone positions, the common iliac veins confluence was most commonly at the level of the lower third of the L4 vertebra (p>0.05). There was a statistically significant difference between the distance from the left common iliac artery to the anterior contour of L4/L5 intervertebral disc (p<0.05). Conclusion Knowledge of the anatomic relationship between iliac vessels and structures of the lower segment of the lumbar spine is very important in the prevention of a potentially severe complication, such as artificial common iliac vessels rupture. Our study showed that the risk of lesions of the common left iliac artery was lesser in the prone position.

Fahrudin Alić, Aldin Jusic, H. Bečulić

Objective - To present the most efficatious management of raised intracranial pressure after severe trauma brain injury in a pediatric patient. Case report - A 5-year-old Caucasian presented to the emergency room due to head injury caused by falling down stairs. At the time of admission the patient was comatose with pediatric Glasgow Coma Score 6 (V-1, E-1, M-4) and signs of recent posterior head trauma. Computed tomography (CT) scan showed a multifragmented fracture of the occipital bone above the “sinus lake” causing an epidural mass, contusion in the right cerebellar hemisphere, a skull base fracture without signs of midline shifting. Six hours later, during monitoring in the intensive care unit, the patient became cardiorespiratory unstable with signs of uncal brain herniation and Cushing’s triad. Control CT revealed previously verified posttraumatic changes with new signs of decompensating internal hydrocephalus. Considering that evacuation of the epidural collection and decompression of impaired bone fragments in the area of the “sinus lake” would be too risky, extraventricular drainage as the first tier management was properly selected as the option of treatment. Taking into account the hazard / benefit ratio it was shown to be the most effective form of treatment, which was confirmed after six-month follow-up without any form of neurocognitive impairment. Conclusion – Treatment of traumatic brain injury (TBI) in the pediatric population requires a multidisciplinary approach. Different mechanisms of pediatric TBI injury vary widely by age groups and its impact on the development of primary and secondary brain lesions differs. Although many general principles of managing pediatric TBI are similar to adults, cerebral plasticity is one of the features which ultimately always leaves space for a better final outcome of treatment.

H. Bečulić, Rasim Skomorac, Aldin Jusic, Fahrudin Alić, Anes Masovic, E. Burazerovic, I. Omerhodžić, Mirsad Dorić et al.

SUMMARY The aim of the study was to analyze correlation between morphological characteristics of intracranial meningiomas and Ki67 labeling index (Ki67 LI), and their influence on peritumoral brain edema (PTBE). There were 41 consecutive patients with intracranial meningiomas surgically treated at the Department of Neurosurgery, Zenica Cantonal Hospital, Zenica, Bosnia and Herzegovina, during the period from January 2010 to December 2015. We reviewed clinical data including patient age, gender, magnetic resonance imaging (MRI) characteristics of the tumor and peritumoral edema, tumor margins, intraoperative characteristics, histopathologic grade and Ki67 LI. In all cases, follow up MRI was obtained at about three months after resection and PTBE was analyzed. Our research showed the tumor volume, tumor margins, and intraoperative signs of arachnoidal and pial invasion to be associated with PTBE in intracranial meningiomas. Ki67 LI expression correlated with PTBE. This study showed the resolution of PTBE to depend on invasive behavior of meningioma and KI67 LI. PTBE, pial/cortical and arachnoidal invasion significantly influence the extent of surgical resection.

H. Bečulić, Rasim Skomorac, Aldin Jusic, Melica Imamović, Fahrudin Alić, Anes Masovic, Alma Mekić Abazović, A. Efendic et al.

Aim To investigate the presence, type and distribution of spontaneous brain and arachnoid herniation into the dural venous sinuses as well as a clinical significance of these herniations. Methods This retrospective - prospective, non-randomised anatomical and clinical study included 990 patients who were referred to Magnetic Resonance Imaging at the Department of Radiology of the Cantonal Hospital in Zenica in the period from January to December 2016. The T1 and T2 sequences in axial, sagittal, and coronary section were used for brain or arachnoid herniation analysis. In all patients with intra-sinusal herniation health records were analysed and symptoms and reasons to refer for MRI examination were evaluated . Results In 26 (2.6%) patients (19 females; 73.08%) the arachnoid or brain herniation was found. Average age of patients was 40.269±16.496 years. Arachnoid herniation was presented in 15 (57.69%) and brain herniation in 11 (42.31%) patients. Statistical significance in relation to type of herniation was not found (p=11.070). Statistical significance between the symptoms and localisation of herniation (except for nausea and vomiting and posterior fossa herniations) (p=0.05) as well us between symptoms and type of herniation was not found (p>0.05). Conclusion The results suggest that there is a possibility of interconnection between arachnoid or/and brain herniations and some clinical symptoms such as nausea and vomiting.

Fahrudin Alić, Aldin Jusic, H. Bečulić, Nedim Barucija, Enisa Ibrahimagic, Suljic

Received: 12.09.2017 Accepted: 28.10.2017 Department of Neurosurgery, Cantonal Hospital Zenica, Bosnia and Herzegovina1, Department of maxillofacial surgery, Cantonal Hospital Zenica, Bosnia and Herzegovina2, Department of infectious diseases, Cantonal Hospital Zenica, Bosnia and Herzegovina3 Yazışma adresi: Fahrudin Alić, Department of Neurosurgery, Cantonal Hospital Zenica, Bosnia and Herzegovina e-mail: alifahrudyn@gmail.com INTRODUCTION

Anes Masovic, H. Bečulić, Rasim Skomorac

O bjective − To evaluate the optimal neurosurgical treatment of rare paediatric transorbital penetrating brain injuries. C ase report − A 6 year-old male patient was admitted to the Department of Emergency Medicine of Zenica Cantonal Hospital, Bosnia and Herzegovina, be- cause of an injury to the right eye caused by a knife. The patient was fully conscious, oriented, hemodynamically stable and without any neurological deficit and with a Glasgow Coma Scale score of 15. Computed Tomography showed a knife blade entering the right orbital roof and the medial part of the right frontal lobe, with an underlying tract hematoma. The patient underwent bifrontal craniotomy. The knife was removed carefully. There were no signs of vascular or related injuries on the trajectory. After surgery, the eye was examined by an ophthalmologist. The patient recovered fully and was discharged about ten days after surgery. Conclusion − Early surgery with a multidisciplinary approach is indicated in patients with transorbital penetrating brain injury to prevent serious complications. The outcome depends on the type of object, the point of entry, the trajectory, the extent of parenchymal injury, the presence of vascular injury, adequate dural closure and septic complications. .

H. Bečulić, Rasim Skomorac, Aldin Jusic, A. Mekić-Abazović, Anes Masovic, Fahrudin Alić, E. Burazerovic, Melica Imamović et al.

O bjective − To analyse the results of the surgical treatment of myelomeningocele in the Zenica Cantonal Hospital in a five-year period. P atients and methods − This retrospective study included 10 patients with myelomeningocele, surgically treated at the Department of Neurosurgery, Zenica Cantonal Hospital, in the 2011-2016 period. Patients were assessed based on their history, symptoms and neurological state. In all cases we performed a detailed neurological examination and craniospinal Magnetic Resonance Imaging. In most cases we performed surgery within the first 72 hours after birth. In three patients we did not perform early surgery because the parents did not give consent for the operation in this period. All patients were hospitalized at the Department of Paediatrics, Zenica Cantonal Hospital. The patients were followed up by a neurosurgeon, a paediatric surgeon and a paediatrician. R esults − In our research, the incidence of myelomeningoceles in females and males was equal. In most cases the surgery is the most devastating congenital malformation compatible with survival. Newborns with late antenatal diagnosis must undergo surgery as soon as possible, preferably within 24-72 hours. Despite limited resources and conditions we documented a significant recovery in most patients. Conclusion − Myelomeningocele is the most devastating congenital malformation compatible with survival. Newborns with late antenatal diagnosis must undergo surgery as soon as possible, preferably within 24-72 hours. Despite limited resources and conditions we documented significant recovery in most patients.

A. Efendic, Edin Muharemović, Rasim Skomorac, H. Bečulić, S. Šestić, Benjamin Halilović, M. Mahmić-Kaknjo

Aim To define direct anatomical relations of the sphenoidal (alae minores), ethmoidal sinuses and optic nerve, with an emphasis on determining the effect of age on pneumatisation and dehiscence. Methods This retrospective, descriptive study involved 60 consecutive patients: 30 patients younger than 30 and30 patients older than 60 years of age. All patients underwent computerized tomography(CT). The relationship of the optic nerve and the sphenoidal and ethmoidal sinuses was classified. The presence of dehiscence in the bone structures, forming the optic canal, was checked. Dehiscence was defined as absence of visible bone density located between the sinus and the optic nerve. Protrusion of the optic nerve into the sphenoidal sinus was defined as optic nerve surrounded by pneumatised space. Results The most common type of relation between the optic nerve and sphenoidal sinus was type I, where the optic nerve was immediately adjacent to the lateral or superior wall of the sphenoidal sinus, without impression on the sinus wall. Dehiscence was documented in 15 (25%) cases, it was more common in older patients (8, 27%) than in younger ones (7, 23%). The pneumatisation processes were more frequent in patients over 60 (5, 17%) than in those younger than 30 years (4, 13%). Conclusion Surgeons and ophthalmologists should be aware of high frequency of dehiscence of sphenoidal sinus walls when treating adult patients in our population, especially when evaluating risks and complications of surgical procedures or when diagnosing inflammatory or tumorous processes in the close vicinity of posterior paranasal sinuses.

Fahrudin Alić, H. Bečulić, Aldin Jusic, Rasim Skomorac, Mirza Moranjkić, Lejla Hrvat, Lejla Tandir

Aim To emphasize the importance of early recognition, diagnostic processing and emergent surgical treatment of spontaneous spinal epidural hematoma (SSEH). Methods A 39-year-old female presented with sudden onset of severe pain between the shoulder blades followed by paraparesis and alerted sensibility in the lower extremities. An hour later she developed paraplegia with sensory deficits below ThIV level, absence of patellar reflex, ankle jerk reflex and sphincter dysfunction. Results Magnetic resonance imaging (MRI) demonstrated acute extensive epidural mass of thoracic spinal segments (ThI-ThIII). The patient underwent emergent decompressive laminectomy ThI-ThIII with epidural hematoma evacuation within 24 hours of symptoms onset. After the surgical treatment, because of suspicion on spinal arteriovenous malformation, complete diagnostic evaluation with spinal angiography was done and no form of vascular malformation was found. Idiopathic SSEH was diagnosed. Two months later the patient reached complete neurological improvement. Conclusion The SSEH is a rare condition that should be kept in mind in patients presenting with neurological deficit and a sudden onset of back pain like it was in our case. For early diagnosis, immediate MRI is essential. Prompt surgical decompression such as laminectomy is an absolute surgical indication widely accepted for patients with progressive neurological deficit. The SSEH should be considered as one of the important differential diagnoses in patients who have developed acute myelopathy.

H. Bečulić, Rasim Skomorac, Aldin Jusic, Fahrudin Alić, Melica Imamović, A. Mekić-Abazović, A. Efendic, H. Brkić et al.

Aim To analyze the relationship between timing of surgery and outcome in patients with cauda equina syndrome caused by lumbar disc herniation. Methods A retrospective, non-randomized clinical study included 25 consecutive patients with cauda equina syndrome (CES) caused by lumbar disc herniation. All patients were operated within 24 hours after hospitalization at the Department of Neurosurgery, Cantonal Hospital Zenica, Bosnia and Herzegovina, between January 2000 and December 2010. All patients were evaluated before surgery on the basis of complete history, neurological examination and neuroimaging evaluations using CT (computed tomography)and MRI (magnetic resonance imaging). Results Statistically significant difference between preoperative and postoperative bladder (p=0.05) and bowel (p=0.05) function was found. A significant number of patients had bladder and bowel recovery after surgery, nine (36%) and 11 (44%), respectively. Significant recovery of muscle strength was noted with complete recovery(5/5) in 12 (48%) and partial recovery in 13 (52%) patients. Complete sensory recovery was noted in 16 (64%), incomplete in four (16%), and in five (20%) patients there were no changes. Most commonly, patients with complete sensory recovery were operated within 48 hours of symptom onset. In most patients early surgery was associated with better outcome. Conclusion This research showed that early decompression correlated with better outcome. Patients with cauda equina syndrome must be cleared for surgery in optimal conditions and, if it possible within optimal timing for recovery (within 48 hours).

Rasim Skomorac, J. Delić, H. Bečulić, Aldin Jusic

Aim To establish presence of segmental instability in patients operated with standard discectomy comparing measurement of translation and rotation on postoperative functional radiographs of lumbosacral spine with reference values,and to explore difference between patients operated on one or two levels. Methods The study included 71 patients, who were operated due to herniated lumbar disc. They were divided into two groups operated on one level (group A) or two adjacent levels (group B). All patients had been imaged in a standing position with functional lateral radiography. Radiographic images were digitized and then computerized measurement of translation and rotation was made. Measurement data were compared between the groups and with reference values obtained in healthy adults. Results Standard lumbar discectomy leads to an increase in translation, however, it reached statistical significance only for L4/L5 level and a decrease of rotation, which showed statistical significance for all samples, relative to the reference values. There was no statistically significant difference in the values of translation and rotation between the groups for corresponding levels, except for the value of the rotation for L4/L5 level as adjacent, unoperated level. Comparison of translation and rotation between the operated and adjacent levels did not show a statistically significant difference. When it comes to comparing the measured and predicted translation, there was a statistically significant difference only at the L5/S1 as anunoperated level. Conclusion Standard discectomy does not lead to radiologically significant segmental instability, and two-level surgery has not caused more pronounced signs of instability comparing to onelevel surgery.

Rasim Skomorac, Fahrudin Alić, H. Bečulić, Aldin Jusic

Abstract In this case, we have presented a 55-year old patient with dysuria and bloody urine. He was hospitalized at the Urology Department of County Zenica Hospital due to obstructive uropathy. Diagnostics showed the cause is a large bleeding mass in prostatic part of urethra. After cystectomy, immunohistochemistry revealed urachal adenocarcinoma, rare type of urogenital carcinomas, presented only in 5% of all cancer types. He was treated with dual modality, chemotherapy and radiotherapy

H. Bečulić, Rasim Skomorac, Aldin Jusic, A. Mekić-Abazović, Fahrudin Alić, E. Burazerovic, Alma Voljevica, Lejla Bečulić

Objective – We report an unusual case of split cord malformation (SCM) associated with open spinal dysraphism and other anomalies of the central nervous system. Case report – A male newborn was admitted to the Pediatric Intensive Care Unit immediately after birth by Caesarean delivery. Clinical examination and diagnostics (MRI) showed open spinal dysraphism in the distal part of the spine (level L5 and S1), split cord malformation type I which separated two hemicords, tethered cord and syringomyelia. Two days after birth microneurosurgery was performed. Cranial and cervical MRI showed Chiari I and corpus callosum hypoplasia. There was no hydrocephalus. Preoperatively the patient had paraparesis and discretely moved his left foot. MRI showed a dilated bladder so he may have had urinary retention. The postoperative recovery was satisfactory. The patient did not have any additional neurological deficit. The patient was followed up by a neurosurgeon, pediatric surgeon, pediatrician and physiatrist. Control MRI scans showed significant regression of the syrinx and some ascensus of the medulla. About 18 months after operation the patient had discrete paresis of the left foot. Conclusion – Complex spina bifida is an extremely rare condition. In this paper we describe this interesting case of complex spina bifida: a split cord malformation characterized by atypical bony morphology with a dural fold into the bone septum.

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