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Introduction: Lumbar stenosis is a disease caused by a conflict between the neural structures (spinal cord and nerve roots) and spinal structures (bones and ligaments). The objectives of this study were to highlight the frequency, the diagnosis and therapeutics options, and to evaluate the treatment outcomes., Patients and Methods: It was a retrospective study from January 2012 to December 2012 including 24 patients admitted to the neurosurgical department of the Gabriel Touré Hospital., Results: The frequency of lumbar stenosis was 6.19% of all neurosurgical diseases. The sex-ratio was 0.71. The age ranged from 28 to 81 years with an average of 52 years. The neurogenic claudication was found in 87.5%. The straight leg raising test was positive in 41.7% of cases. The most vertebras involved were L4 and L5. Lumbar disc herniation was associated in 70.83%. Degenerative lumbar stenosis was the most common form, found in 66.67% of cases. Surgical treatment was performed in 29.17% of cases. The outcome was good in 85.6% of cases., Conclusions: Lumbar stenosis is a prevalent disease that occurs typically occurs around 50 years of age. The diagnosis was confirmed by myelography and a post myelographic CT scan. Good outcomes are achieved with both surgical or medical treatments., (Le comitée de rédaction se réserve le droit de revoyer aux auteurs avant toute soumission à l'avis des lecteurs les manuscrits qui ne seraient pas conformes à ces modalités de présentation. En outre il leur conseille de sonserver un examplaire du manuscrit, des figures et des tableaux.)

Introduction: Depressed skull fractures are common and frequent among neurosurgical diseases of whose danger stem from the associated intracranial lesions. The aims of this study were to describe the epidemiological characteristics of depressed skull fractures, to determine their etiology, to describe the clinical signs, to highlight the complications and sequelae and to evaluate care management., Patients and Methods: It was a retrospective and descriptive study from January to December 2013 including 72 patients admitted to the neurosurgical department of the Gabriel Toure hospital., Results: The frequency was 14.7% and the male to female ratio was 13.4. The peak frequency of these injuries occurred in the 16-to 25-year-old age group accounting for 38.9% of cases. Road traffic accidents were the most common causes of depressed skull fractures (59.7%). Neurosurgical treatment was performed in 25 (34.72%) patients and the most common surgical technique performed was the craniectomy in (64%). Infection of the wound was found in 15.3% and the mortality rate was 1.39%., Conclusions: Depressed skull fractures are a frequent neurosurgical disease in the Gabriel Touré hospital. Young people are most affected and road traffic accidents involving motorbikes are the main cause the fractures. The infection of the wound is a poor prognostic factor. Therefore, an early management is required to expect a good outcome., (Le comitée de rédaction se réserve le droit de revoyer aux auteurs avant toute soumission à l'avis des lecteurs les manuscrits qui ne seraient pas conformes à ces modalités de présentation. En outre il leur conseille de sonserver un examplaire du manuscrit, des figures et des tableaux.)

Introduction: The cervical disc hernia is uncommon. Its diagnosis is usually easy. But his surgery known controversy between discectomy with or without graft associated or not osteosynthesis. Accordingly we report our experiment of this surgery through a small serie of 9 patients operated by anterior approach., Materials and Methods: This was a retrospective study of nine (9) patients supported by an anterior cervical disk herniation between 2001 and 2006 at the General Hospital of Grand Yoff in Dakar. The diagnosis was made on clinical and cervical myéloscanner. The postoperative decline was between 1 and 5 years., Results: The average age of patients was 43 years ranging from 20-68 years. A male prevalence (2/1) was noted. The majority of hernias was degenerative. It was mostly soft disc hernia that prevailed on floors C4-C5 and C5-C6. We always operated on the right side of the patient. We performed a discectomy of a floor in 8 cases and 2 floors in 1 case. The vertebral posterior longitudinal ligament was opened routinely. Graft with osteosynthesis was used in 4 cases. The outcome was good. A spontaneous fusion was noted in 7 cases., Conclusion: The surgical treatment of cervical disc hernia is usually anterior approach. It is usually associated with good postoperative results., (Le comitée de rédaction se réserve le droit de revoyer aux auteurs avant toute soumission à l'avis des lecteurs les manuscrits qui ne seraient pas conformes à ces modalités de présentation. En outre il leur conseille de sonserver un examplaire du manuscrit, des figures et des tableaux.)

From January 2005 to December 2009, 20 patients have been treated for bilateral chronic subdural hematoma at the Grand Yoff General Hospital in Dakar, Senegal. This was a retrospective study concerning clinical, imaging, and therapeutic issues faced and comparing them to unilateral chronic subdural hematoma issues recorded during the same time period., Median age was 71 years old, ranging from 35 to 95 years old. 17 patients were male and were 3 female. Previous head trauma had been reported for 55% of the patients, high blood pressure - associated or not with diabetes mellitus - had been recorded in 45% of the patients., Clinical symptoms were marked by high intracranial pressure and motor deficits in 70% of cases and 40% showed a mental confusion., Brain CT scans were the key diagnostic tools; all patients undertook a scan and results demonstrated blood subdural collection with variable density in the right brain hemisphere (in 30% of cases)., The focus of the surgical treatment was a bilateral burr hole, evacuation of the hematoma and no more than 3 days of postoperative drainage. The medical treatment consisted of an adapted hydro-electrolytic rehydration. The outcome of treatment was positive for 17 patients (85%), 2 patients suffered from subsequent hematoma and 1 patients passed away., (Le comitée de rédaction se réserve le droit de revoyer aux auteurs avant toute soumission à l'avis des lecteurs les manuscrits qui ne seraient pas conformes à ces modalités de présentation. En outre il leur conseille de sonserver un examplaire du manuscrit, des figures et des tableaux.)

The encephaloceles belong to dysraphic state abnormalities. Publications on this issue are rare and sparse in Africa. The aim of our study is to describe clinical patterns of occipital encephaloceles, and emphasize on surgery. We collect retrospectively a population of 16 patients. Cranial Ultrasound Echographia has been done for all of them. Only 3 patients got brain CT scan. Medium age was 2 months. The sex ratio was coted 1. The consanguinity was noted in 37% of the cases. The pedicular aspects were more frequent. With neuroimaging studies the diagnosis was reached everytime. It showed hydrocephalus on 3 patients. 15 patients have been operated. One dead before going to surgery. The outcome was good for 13 patients (81%). But 3 patients (18%) deaded, and among them, 2 deaded during post surgery period. A better clinical evaluation showed be done using MRI. The control of epidemiology of these conditions depend on the improvement of the quality of eating in particularly in women bearing child, and performing a genetic counseling.