Brain tumors are not rare in children. The common brain tumors in children are medulloblastomas and craniopharyngiomas. Intraparenchymal meningiomas are very rare. We report a case of intraparenchymal meningioma in a child who was operated with a preoperative impression of a primitive neuroectodermal tumor.

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Brain involvement with hydatid disease occurs in 1-2% of all Echinococcus granulosus infections. Isolated cerebral hydatid disease is a rare manifestation of it. In this report, we analyze two cases of isolated cerebral hydatid cysts and discuss their mode of presentation, radiological features, operative procedure and outcome. In our two cases, radiological features and surgical approaches were different from one another. The literature concerning isolated cerebral hydatid disease is reviewed.

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Foot drop is defined as the weakness of the foot and ankle dorsiflexion. Acute unilateral foot drop is a well-documented entity, whereas bilateral foot drop is rarely documented. Slowly progressing bilateral foot drop may occur with various metabolic causes, parasagittal intracranial pathologies, and cauda equina syndrome. Acute onset of bilateral foot drop due to disc herniation is extremely rare. Here we present two cases of acute bilateral foot drop due to disc herniation. The first patient was a 45-year-old man presented with acute bilateral foot drop, without any sign of the cauda equina syndrome. Lumbar magnetic resonance imaging of the patient revealed L4-5 disc herniation. To our knowledge, this is the first presented case of acute bilateral foot drop without any signs of cauda equina syndrome caused by L4-5 disc herniation. The second patient was a 50-year-old man who was also presented with acute bilateral foot drop, and had T12-L1 disc herniation with intradural extension. Also this is the first presented case of T12-L1 disc herniation with intradural extension causing acute bilateral foot drop. We performed emergent decompressive laminectomy to both of the patients and extrude disc materials were excised. Both of the patients were recovered with favorable outcome.

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Autologous blood transfusion as a cause of intraoperative anaphylaxis is very rare. We encountered one such life-threatening event in a 72-year-old patient undergoing laminectomy and pedicle screw fixation. The probable cause identified was the floseal mixed autologous blood transfusion. Review of literature has been done, and measures to avoid such an event in the future are discussed.

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We report a case of a 45-year-old male with a syringopleural shunt who developed intracranial hypotension. The patient presented with 2 weeks history of worsening headache and back pain, on a background of having had a syringopleural shunt inserted for a thoracic posttraumatic syrinx. Computerized tomography imaging of the brain revealed bilateral subdural fluid collections. Magnetic resonance imaging appearances of spinal and intracranial pachymeningeal enhancement confirmed intracranial hypotension. We present a rare case of intracranial hypotension secondary to syringopleural shunting in a patient with posttraumatic syringomyelia.

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Background: Brain tumors, traumatic head injury, and other intracranial processes including infections, can cause increased intracranial pressure and lead to overstimulation of the vagus nerve. As a result, increased secretion of gastric acid may occur which leads to gastro-duodenal ulcer formation known as Cushing's ulcer. Methods: A review of original records of Dr. Harvey Cushing's patients suffering from gastro-duodenal ulcers was performed followed by a discussion of the available literature. We also reviewed the clinical records of the patients never reported by Cushing to gain his perspective in describing this phenomenon. Dr. Cushing was intrigued to investigate gastro-duodenal ulcers as he lost patients to acute gastrointestinal perforations following successful brain tumor operations. It is indeed ironic that Harvey Cushing developed a gastro-duodenal ulcer in his later years with failing health. Results: Clinically shown by Cushing's Yale Registry, a tumor or lesion can disrupt this circuitry, leading to gastroduodenal ulceration. Cushing said that it was "reasonable to believe that the perforations following posterior fossa cerebellar operations were produced in like fashion by an irritative disturbance either of fiber tracts or vagal centers in the brain stem." Conclusion: Harvey Cushing's pioneering work depicted in his Yale registry serves as a milestone for continuing research that can further discern this pathway.

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Intramedullary schwannomas are rare spinal cord tumors. Most of these tumors have been reported as a single lesion in the spinal cord. Up until today approximately 50 cases of intramedullary shwannomas not related to neurofibromatosis have been described. We describe a rare case of thoracic intramedullary tumour in a 28 year old male patient who presented with progressive weakness of both the lower limbs and decreased sensation below D2 dermatomal level. Magnetic resonance imaging revealed an intramedullary lesion from D1 toD7. D1 to D7 laminoplasty and near total excision of the mass done.Total removal was difficult because of the infiltrative nature of the tumour. Histopathological report confirmed the diagnosis of the schwannoma. Possible site of origin and pathogenesis of intramedullary tumour have been discussed.

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Ependymomas are mostly infratentorial, intraventricular tumor, accounting for 2-9% of all central nervous system tumors. Supratentorial pure cortical ependymoma are extremely rare tumor with definite ependymal morphology and uncertain histogenesis. They are mostly low grade tumor and are cured with resection, rendering them favorable prognosis. Our case is of 14-year-old female presenting with headache and convulsion of short duration. She underwent gross total excision of the tumor without radiation therapy and her follow-up is uneventful.

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Cerebral phaeohyphomycosis is a rare and frequently fatal disease, often caused by hematogenous spread of pathogens that are inoculated in the skin of the extremities following minor trauma, and its mortality rate is much high despite aggressive treatment. A rare case of 25-year-old immuno-competent man with cerebral abscess has been described. The etiological agent was microbiologically proved to be a dematiaceous fungi Cladophilaophora bantiana, which is primarily a neurotropic fungus causing deep-seated intra-cranial infections. Treatment was individualized by surgical intervention and appropriate anti-fungal therapy. Thus, it has been described as a successfully managed case of cerebral phaeohyphomycosis known to be associated with a high degree of morbidity and mortality.

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Background: Acute lumbar disc herniation can occur in every lumbar intervertebral disc space and in multiple levels simultaneously. In the cases of 2 levels adjacent lumbar disc herniations of severe unilateral radiculopathic leg pain caused by compression of the nerve roots, respectively, multiple incision or long incision is generally needed for simultaneous removal of disc fragment in 2 levels. Objectives: We proposed the minimally invasive one portal skin incision endoscopic discectomy is effective and safe method to treat 2 levels adjacent lumbar disc herniation. Materials and Methods: We have experimented total 8 cases of 2 levels adjacent lumbar disc herniation having unilateral radiculopathic pain respectively. All cases are 2 levels adjacent lumbar disc herniation. We have tried a percutaneous endoscopic transforaminal approach through minimal one portal skin incision and remove the two herniated disc materials in the adjacent levels. Results: The L2-L3 level was involved in 2 patients, L3-L4 level in 6 patients, while the L4-L5 level was involved in 7 patients, L5-S1 level in 1 patient. The mean follow-up was 18.5 months. The mean visual analogue score (VAS) of the patients prior to surgery was 7.75, and the mean postoperative VAS was 2.375. According to Macnab's criteria, 3 patients had excellent results, 4 patients had good results, 1 patient had fair results, and no patient had a poor result; satisfactory results were obtained in 87.5% of the cases. Conclusion: The percutaneous endoscopic transforaminal approach through 1 skin portal incision could be effective surgical method in unilateral adjacent 2 levels lumbar disc herniation.

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Though meningiomas are common neoplasms of the nervous system, the occurrence of multiple meningiomas in different neuraxial compartments is rather rare. We report a case of a 62-year-old female who presented with spastic paraparesis in both lower limbs, and was found to have multiple homogenously enhancing tumors of dorsolumbar spine. Cranial magnetic resonance imaging (MRI) revealed multiple bilateral supratentorial meningiomas. She underwent multiple level laminectomy and total removal of spinal tumors after which power improved in both lower limbs. Histopathology revealed psammomatous meningiomas. Only around 19 cases of multiple cranial and spinal meningiomas have been reported, of which, only five cases have more than one spinal meningioma. The implication of the incidence of such multiple meningiomas in the same patient with relevance to investigations and decision making are discussed along with a brief review of literature of cases with multiple spinal and cranial meningiomas.

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Summary: Primary solitary dural plasmacytoma is an uncommon neoplasm of plasma cell. The clinical presentation and neuroradiological findings of these tumors may be deceptive and resemble to the other most prevalent brain tumors. Solitary plasmacytoma mostly shows a benign behavior and malignant features like local invasion is so rare. We describe the case of parenchymal brain involvement by solitary dural plasmacytoma.

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Background: The spine surgeons have been combining anterior and posterolateral fusion (circumferential fusion) as the final solution to treat spinal disorders and many have been using it to treat failed back surgery syndrome (FBSS). In present study, we analyzed and compared the clinical and radiological outcomes in patients with transpedicular screw fixation and intervertebral autogenous posterior iliac crest bone graft or in patients with transpedicular screw fixation and intervertebral B-Twin system for FBSS with a follow-up period of 10 years after the surgery. Materials and Methods: This study was a retrospective case study performed on 55 patients with FBSS. Clinical and radiological changes were compared between the two groups of patients on the basis of improvement of back pain, radicular pain, and work capacity. Outcome was measured in terms of Oswestry Low Back Pain Disability Index, and the changes in pain and function were documented every year from before surgery until 2012. We analyzed the evolution of 55 cases of FBSS those underwent segmental circumferential posterior fusions from June 2001 to February 2003, operated by a single surgeon and followed up during 10 years until February 2012. The patients were divided into 2 groups: In 25 patients, posterolateral fusions with Legacy™ (Medtronic, Inc. NYSE: MDT) screws and intersomatic autogenous posterior iliac crest bone graft was performed, and, in 30 patients, posterolateral fusions with the same screws and intersomatic fusion B-Twin (Biomet Spain Orthopaedics, S.L.) system was performed. In all cases, we used posterior lumbar interbody fusion (PLIF)/transforaminal lumbar interbody fusion (TLIF) approach for intervertebral graft, and the artrodesis was supplemented at intertransverse level with Autologus Growth Factor (AGF-MBA INCORPORADO, S.A.). The outcome was measured in terms of Oswestry Low Back Pain Disability Index, and the changes in pain and function were documented every year and compared from before surgery to the final follow-up visit. Preoperative and postoperative scores were available for all patients. Results: The average age of these patients was comparable in both groups (mean age 42.6 versus 50.2 years). The average follow-up period was 200.6 months in the first group (screws and intersomatic bone) and 184.4 months in the second group (screws and B-Twin). In the autologus bone graft group, the CT scan and Rx study revealed loss of height of intervertebral space between 25% and 45% of 24 h postoperative height of intervertebral operated disc, and the patients continued to lose the height until 20 months after the surgery. In the B Twin group, the CT scan and Rx study revealed a loss of height of the intervertebral level of 8-12% over a period of 9 months follow-up, followed by stability. A total of 31 patients (55%) had improved Oswestry Low Back Pain Disability Index >40% of the total possible points, although this did not reflect in PSI or return to work rate. Conclusions: The patients with rigid fixation do well in terms of correction of lumbar lordosis, but they do not do well in terms of recurrence of pain. Furthermore, they need some kind of intervention to control pain after the first year after surgery. In patients in whom bone graft is used, although they do not maintain and sustain the lumbar lordosis in the long term, they have less recurrence of pain with less chances of intervention for pain control.

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Ventriculoperitoneal (VP) shunt surgery is probably the commonest surgical procedure in neurosurgery. Belying its technical simplicity is the myriad complications associated with it. Shunt malfunction is a common complication associated with this surgery, second only to shunt related infections, which may be associated with it. Sterile cerebrospinal fluid (CSF) eosinophilia (CE) has been reported with VP shunts, which may or may not be related to the dysfunction. Eosinophilia in the CSF has also been associated with a number of other conditions including parasitic infestations in the brain. This may be unrelated to the shunt surgery. We present a case of a child, operated earlier for hydrocephalus, who presented with sub-acute loss of vision and bilateral oculomotor paresis. CSF from a chamber tap revealed eosinophilia. The commonest presenting symptom of shunt malfunction is raised intracranial pressure. There are no reports in the literature of VP shunt malfunction presenting with bilateral oculomotor paresis and decreased visual acuity. The associated CE complicated the clinical picture, especially since the initial brain radiology was normal. We discuss the clinical differential diagnosis of this very interesting presentation, management dilemmas and outcome in this child. This rare clinical presentation was found to be the result of a shunt malfunction and not due to any rare parasitic infestation of the brain. Occam's razor dictates that the simplest explanation in a given situation is usually the most accurate, as is seen in this case.

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A 69-year-old male, treated for colonic carcinoma 15 years back, presented to our services with status epilepticus. He had complaints of headache and vomiting for 7 days prior to presentation. Computed tomography and magnetic resonance imaging of the brain revealed heterogeneous, lobulated and osteolytic tumor involving middle and posterior cranial fossa. Excision of the tumor was planned in two stages. Middle fossa component was removed through right temporobasal approach. Histopathology was suggestive of malignant fibrous histiocytoma. Patient succumbed to pneumonia and septicemia in the postoperative period. Pathology, clinical features and therapeutic challenges of this clinical entity have been briefly reviewed.

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Pilomyxoid astrocytoma (PMA) is a recently described entity with similar features to pilocytic astrocytoma but with a rare occurrence. As a new diagnosis, no treatment guideline of PMA has been established; but generally, as for any low-grade gliomas, radical resection is performed if the location is favorable. In this report, we wished to share our experience treating the PMA. The authors presented a case of a 7-year-old girl with bitemporal hemianopia. From the history, the patient had a 4-month history of headache, following with nausea and projectile vomiting 1 week before hospital admission. Past history of seizure, weakness of left extremities, and decreased consciousness were reported. Computed tomography (CT) scanning showed acute obstructive hydrocephalus and an isohypodense mass at suprasellar region with the cystic component. We performed ventriculo-peritoneal-shunt to reduce the acute hydrocephalus, followed by craniotomy tumor removal 2 weeks later. The patient underwent radiotherapy and medical rehabilitation. Diagnosis of PMA was made on the basis of pathologic anatomy result, which showed a myxoid background with pseudorosette. Postoperative CT showed a residual tumor at right parasellar area without hydrocephalus. After the surgery, the treatment was followed with radiotherapy for 20 times within 2 months. Postradiation CT performed 1-year later showed a significant reduction of the tumor mass. There were no new postoperative deficits. The patient had improvement of the visual field and motor strength. The authors reported a case of a 7-year-old girl with PMA. Surgical resection combined with radiotherapy was performed to control the growth of PMA. More observation and further studies are required to refine the treatment methods.

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Aim: Spina bifida (SB) is a congenital deformity that is frequently seen in infancy. Surgical treatment and clinical follow-up of patients with the diagnosis of SB are important to provide education to the patients and their relatives, to increase patient survival, to ensure that they have a more comfortable life. Neuro-urological problems are highly important for the patients in terms of both social and medical. Materials and Methods: The medical records of patients who underwent surgery for SB and tethered cord syndrome at our clinic in the past year were retrospectively evaluated. The results of urodynamic studies of the patients were evaluated. The results of patients who underwent control urodynamic studies during the follow-up period were compared with the previous results, and their clinical courses were determined. Results: The most frequent urodynamic changes in patients were hyperactive detrusor activity and detrusor sphincter dyssynergy preoperatively. Conclusion: A significant improvement was observed when the results of postoperative urodynamic studies were evaluated in patients who underwent surgery for tethered cord.

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Dabigatran etexaliate is a novel oral anticoagulant that directly inhibits thrombin. It offers a number of substantial medical benefits over other oral and parenteral anticoagulants but its advent raises important neurosurgical considerations. Dabigatran has important potential benefits. Unlike warfarin, it does not require routine blood tests to monitor its anticoagulative effect and there is no need for dose titration. Drug interactions are greatly simplified when compared to warfarin as dabigatran is not metabolized by cytochrome p450 isoenzymes. As a result, dabigatran has been approved in many jurisdictions for DVT prophylaxis after orthopaedic surgery and also for the prevention of embolic events associated with non-valvular atrial fibrillation. There are, however, important neurosurgical challenges associated with regular dabigatran use. Unlike current anti-coagulants, there is no specific reversal agent for dabigatran. Known reversal options include activated charcoal (within one to two hours of intake) and renal dialysis. Protamine sulfate and vitamin K are unlikely to affect the activity of dabigatran. Platelet concentrates will not inactivate dabigatran's anti-thrombin properties. Assessing the degree of anticoagulation is difficult as conventional markers of serum coagulability are typically normal in patients taking dabigatran. The potential neurosurgical challenges of dabigatran were cast in sharp relief by a recent case report from the United States that is considered in this note. In the absence of a clear reversal pathway, we propose a treatment algorithm for chronic dabigatran use based on the replacement of any deficient factors and rapid access to renal dialysis.

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Superficial temporal artery (STA) pseudoaneurysm after a craniotomy is very rare with only nine cases reported in the literature. However, no cases have been reported in the literature about this entity presenting as an emergency in the form of extradural hematoma (EDH). This case being one of the rare ones and is also unique wherein the indication for craniotomy being intracranial tuberculoma that is not yet reported in the literature. We report the first case of a postcraniotomy STA pseudoaneurysm induced EDH following craniotomy for intracranial tuberculoma.

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We present an incredible case of traumatic neuroma (TN) in the anterior superior alveolar nerve leading to the swelling in the upper labial mucosa. This paper attempts to highlight the rarity of site of occurrence of this lesion and reports the first case of TN of anterior superior alveolar nerve.

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We reported a case of meningioma with rhabdoid morphology but lacking histological features of malignancy in arising from the spinal cord in a 28-year-old male. The tumor showed light microscopic, immunohistochemical evidence of meningothelial differentiation together with diffuse areas exhibiting rhabdoid morphology. The rhabdoid areas were characterized by cells with large cytoplasmic eosinophilic inclusions and eccentric nuclei. Unlike most cases reported in the literature, this case lacked significant mitotic activity and other atypical features. The diagnostic and prognostic significance of this tumor entity is discussed along with a review of the literature.

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Basal encephalocele accounts only 1.5% of all encephaloceles. But Sphenorbital encephalocele is the rarest cause of herniation of brain into orbit leading to pulsatile exphothalmos. Authors presenting a case of sphenorbital encephalocele in a 16 yrs old girl successsfully managed by orbitcranioplasty by partilal thickness autologus calvarial bone graft.

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Intraventricular hemorrhage (IVH) induced vasospasm is rare in clinical practice. We report a case with vasospasm 10 days after IVH due to thalamic bleeding from an arteriovenous malformation. The vasospasm was so severe that transarterial embolization failed. Follow-up angiography could not reveal the vascular lesion and spontaneous thrombosis was considered. The discussion includes literature review and possible mechanism of such phenomenon. IVH-related vasospasm is rare but should always be kept in mind. Early detection with proper treatment provides better clinical outcome in such cases.

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Atlantoaxial subluxation is a rare condition and requires a high index of suspicion to diagnose and treat in order to avoid long-term sequelae. Here, we present a case of late presentation of a nontraumatic rotatory subluxation of the atlantoaxial joint or atlantoaxial rotatory subluxation. A 17-year-old girl presented 3 months after the onset of nonspecific upper limb sensory symptoms which eventually settled spontaneously. Initial conservative management by the general practitioner had no effect. Computed tomography scanning revealed a Type 1 dislocation with rotatory fixation and with <3 mm anterior displacement of the atlas. The management of Type 1 subluxations is usually conservative with bed rest, oral nonsteroidal anti-inflammatory drugs, muscle relaxants, reduction (if required) and immobilization with a soft collar. This patient, however, required more invasive management due to the late presentation and slightly greater fixed deformity. As the subluxation could not be reduced with active manipulation, Gardner-Wells tongs with traction were applied. She then progressed to a pinned HALO, cyber neck support and subsequently an aspen collar which was eventually weaned off over a few weeks. The outcome and radiologic alignment at follow-up was satisfactory.

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Objective: Basilar aneurisms are one of the most complex and challenging pathologies for neurosurgeons to treat. Endoscopy is a recently rediscovered neurosurgical technique that could lend itself well to overcome some of the vascular visualization challenges associated with this pathology. The purpose of this study was to quantify and compare the basilar artery (BA) bifurcation (tip of the basilar) working area afforded by the microscope and the endoscope using different approaches and image guidance. Materials and Methods: We performed a total of 9 dissections, including pterional (PT) and orbitozygomatic (OZ) approaches bilaterally in five whole, fresh cadaver heads. We used computed tomography based image guidance for intraoperative navigation as well as for quantitative measurements. We estimated the working area of the tip of the basilar, using both a rigid endoscope and an operating microscope. Operability was qualitatively assessed by the senior authors. Results: In microscopic exposure, the OZ approach provided greater working area (160 ± 34.3 mm2) compared to the PT approach (129.8 ± 37.6 mm2) (P > 0.05). The working area in both PT and OZ approaches using 0° and 30° endoscopes was larger than the one available using the microscope alone (P < 0.05). In the PT approach, both 0° and 30° endoscopes provided a working area greater than a microscopic OZ approach (P < 0.05) and an area comparable to the OZ endoscopic approach (P > 0.05). Conclusion: Integration of endoscope and microscope in both PT and OZ approaches can provide significantly greater surgical exposure of the BA bifurcation compared to that afforded by the conventional approaches alone.

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Life-threatening large subcutaneous hematomas after minor injury are rare clinical states for young people; however these patients may have hidden diseases, which can cause a tendency to bleed. A 31-year-old woman visited our hospital after minor injury. The first computed tomography (CT) scan revealed a small subcutaneous hematoma, but her head bulged and the second CT scan revealed her subcutaneous hematoma had become enlarged. Two surgeries were needed to stop the bleeding and. Though she received intensive care, she died 48 days after onset. The new Ehlers-Danlos syndrome (EDS), known as EDS Kosho type (EDSKT), is a connective tissue disease, in which patients often experience large subcutaneous hematomas. We suspected our patient had EDSKT because her clinical features were compatible with this syndrome. Our findings support the notion that large subcutaneous hematomas in young patients with connective tissue disease can be fatal; a careful follow-up is required.

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The development of subarachnoid hemorrhage (SAH) following evacuation of chronic subdural hematoma (CSDH) is a very rare phenomenon. SAH in this context occurring secondary to intracranial aneurysm rupture is still rare. We report a case of an elderly lady who presented with right hemiplegia and altered sensorium. Computed tomography (CT) scan of the brain revealed a left fronto-temporoparietal CSDH with midline shift, which was promptly evacuated surgically via a single burr-hole. Postoperatively, her level of consciousness deteriorated and there was increased the amount of drain. Emergency CT of the brain revealed diffuse SAH. CT cerebral angiogram revealed one aneurysm each in the right internal carotid artery and anterior communicating artery. Meanwhile, her consciousness level improved on conservative management. The relatives were not keen for further follow-up.

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Cranial meningiomas may present with or without major deficits depending on their location and morphology. Spinal meningiomas account for 25% of all the spinal tumors. Most commonly encountered in the dorsal spine in middle-aged females, these intradural-extramedullary tumors can usually be excised without difficulty. Rarely, they can be encountered in the lumbar spine and may create many tactical problems for the surgical team especially if it is calcified and contains metaplastic bone. We report a 55-year-old patient who presented with backache and investigations revealed a calcified lesion at L1 level that was thought of as an ependymoma initially. Intraoperatively, the lesion was calcified in parts, and the histopathology revealed it to be a metaplastic meningioma with calcification. The patient had a transient hip weakness, which recovered completely later on. Calcification in meningiomas is common. However, frank bony metaplasia is extremely rare. More importantly, the applied aspect of their presence in the region of conus lies in the careful dissection to prevent damage to the surrounding neural structures. Awareness regarding the same may help us preventing complications in the future.

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Langerhans cell histiocytosis (LCH) is a systemic disease mainly affecting children and young adults. It can manifest as single system disorder or multi-system involvement. When the central nervous system is involved, the hypothalamic-pituitary axis is the most common location affected. Herein we report a rare case of Langerhans cell histiocytosis in monozygotic twins both with central diabetes and hypophyseal masses. This is the first report about LCH in monozygotic twins with hypophyseal lesions.

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Removal of a foreign body from the spine is often time a surgical challenge. Recent developments in computer-assisted surgery (CAS) have brought major improvements into the operating room. Most Medical procedures nowadays take advantage of the minimal invasiveness, precision, velocity and interactivity provided by the computer-assisted systems. Minimally invasive techniques (MIT) like microscopy, stereotaxy, endoscopy and neuronavigation facilitate the procedures improve neurosurgical results and reduce operative complications. In this technical report we used minimal access system with navigation to remove a broken spinal needle at L4-L5 level from an asymptomatic lady post delivery using a custom-made navigation-mounted pituitary rongeur.

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Actimomycosis is a rare chronic bacterial infection of the central nervous system, and subdural actinomycoma is extremely rare. This case report brings to bear an uncommon association between subdural actinomycosis with chronic subdural hematoma. Subdural actinomycoma may present as a diagnostic conundrum and could be mistaken radiologically for either a subdural hematoma or an empyaema.

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