STUDY DESIGN: Multicenter, prospective, randomized, and double-blinded study. OBJECTIVES: To compare tubular and endoscopic interlaminar approach. METHODS: Patients with lumbar spinal stenosis and neurogenic claudication of were randomized to tubular or endoscopic technique. Enrollment period was 12 months. Clinical follow up at 1, 3, 6 months after surgery with visual analogue scale (VAS), Oswestry Disability Index (ODI), and Japanese Orthopedic Association (JOA) score. Radiologic evaluation with magnetic resonance pre- and postsurgery. RESULTS: Twenty patients were enrolled: 10 in tubular approach (12 levels) and 10 in endoscopic approach (11 levels). The percentage of enlargement of the spinal canal was higher in endoscopic approach (202%) compared with tubular approach (189%) but was not statistically significant (P = .777). The enlargement of the dural sac was higher in endoscopic group (209%) compared with tubular group (203%) but no difference was found between the 2 groups (P = .628). A modest significant correlation was found between the percentage of spinal canal decompression and enlargement of the dural sac (r = 0.5, P = .023). Both groups reported a significant clinical improvement postsurgery. However, no significant association was found between the percentage of enlargement of the spinal canal or the dural sac and clinical improvement as determined by scales scores. Endoscopic group had lower intrasurgical bleeding (P < .001) and lower disability at 6 months of follow-up than tubular group (p=0.037). CONCLUSIONS: In the treatment of lumbar spinal stenosis, endoscopic technique allows similar decompression of the spinal canal and the dural sac, lower intrasurgical bleeding, similar symptoms improvement, and lower disability at 6 months of follow-up, as compared with the tubular technique.
BACKGROUND: We present the case of a 51-year-old male with an occult transorbital intracranial injury after a car accident. The identified foreign object was a windshield wiper handle. To our knowledge, this is the first case reported. CASE DESCRIPTION: Multidisciplinary treatment with maxillofacial and otorhinolaryngology departments was planned. A bifrontal craniotomy with removal of the foreign object and posterior orbital reconstruction were performed. A review of the literature was done, in order to highlight certain general principles in decision making despite the variability in case presentation. CONCLUSIONS: Occult TII is a rare subtype of penetrating brain injury. Diagnosis requires high suspicion as it can be missed during physical examination. Computed tomography (CT) scan, CT angiogram, and magnetic resonance imaging should be performed in order to design the optimal treatment for each patient. Magnetic resonance imaging should be avoided when metallic density on CT is observed. The use of a broad-spectrum antibiotic regimen is critical.
Foreign Bodies/diagnostic imaging , Foreign Bodies/surgery , Head Injuries, Penetrating/diagnostic imaging , Head Injuries, Penetrating/surgery , Orbit/injuries , Accidents, Traffic , Foreign Bodies/etiology , Head Injuries, Penetrating/etiology , Humans , Male , Middle Aged , Neurosurgical Procedures/methods , Orbit/diagnostic imaging , Orbit/surgery , Treatment Outcome
Objetivo: Presentar un caso de un tumor neuroendocrino primario bien diferenciado intradural-extramedular del filum terminale y revisar la literatura. Caso: Paciente de 68 años valorada tras presentar lumbociática de difícil control analgésico objetivándose una lesión intradural-extramedular lumbar. La lesión, en relación al filum terminal, fue resecada parcialmente siendo el diagnóstico anatomopatológico de tumor neuroendocrino bien diferenciado primario (carcinoide). Tras valoración multidisciplinaria, se decidió tratamiento radioterápico estereotáctico fraccionado. En los sucesivos controles no se evidenció progresión ni diseminación metastásica. Discusión: Los tumores neuroendocrinos son neoplasias heterogéneas derivadas predominantemente de células enterocromafines, en los cuales la quimioterapia tiene un rol muy limitado. Por otra parte, la radioterapia ha sido descrita en lesiones parcialmente resecadas. Conclusión: Los tumores neuroendocrinos primarios bien diferenciados con localización intradural-extramedular lumbosacra son una rareza excepcional. La resección quirúrgica aislada, o asociada a tratamiento adyuvante radioterápico en resecciones subtotales, podría ser considerada una estrategia terapéutica efectiva
Objective: To present a case of a well-differentiated primary intradural-extramedullary neuroendocrine tumor of the filum terminale and to conduct a literature review. Case: A 68-years old patient was assessed after presenting lower back pain and sciatica with ineffective pain relief. The patient presented an intradural-extramedullary lumbar lesion arising from the filum terminale, which was partially resected. The pathology diagnosis was a well-differentiated primary neuroendocrine tumor (carcinoid tumor). After a multidisciplinary evaluation, fractionated stereotactic radiotherapy was administered. No progression or metastatic spread was observed in successive assessments. Discussion: Neuroendocrine tumors are heterogeneous neoplasms derived predominantly from enterochromaffin cells, in which chemotherapy plays a very limited role. In contrast, radiotherapy has been described in partially resected lesions. Conclusion: Well-differentiated primary neuroendocrine tumors with intradural-extramedullary lumbosacral location are an exceptional rarity. Isolated surgical resection, or associated with an adjuvant radiotherapy treatment in subtotal resections, could be considered an effective therapeutic strategy
Humans , Female , Aged , Neuroendocrine Tumors/diagnostic imaging , Neuroendocrine Tumors/surgery , Cauda Equina/pathology , Cauda Equina/diagnostic imaging , Cauda Equina/surgery , Neuroendocrine Tumors/radiotherapy , Diagnosis, Differential , Neurilemmoma/diagnostic imaging , Meningioma/diagnostic imaging , Immunohistochemistry
OBJECTIVE: To present a case of a well-differentiated primary intradural-extramedullary neuroendocrine tumor of the filum terminale and to conduct a literature review. CASE: A 68-years old patient was assessed after presenting lower back pain and sciatica with ineffective pain relief. The patient presented an intradural-extramedullary lumbar lesion arising from the filum terminale, which was partially resected. The pathology diagnosis was a well-differentiated primary neuroendocrine tumor (carcinoid tumor). After a multidisciplinary evaluation, fractionated stereotactic radiotherapy was administered. No progression or metastatic spread was observed in successive assessments. DISCUSSION: Neuroendocrine tumors are heterogeneous neoplasms derived predominantly from enterochromaffin cells, in which chemotherapy plays a very limited role. In contrast, radiotherapy has been described in partially resected lesions. CONCLUSION: Well-differentiated primary neuroendocrine tumors with intradural-extramedullary lumbosacral location are an exceptional rarity. Isolated surgical resection, or associated with an adjuvant radiotherapy treatment in subtotal resections, could be considered an effective therapeutic strategy.
Carcinoid Tumor/radiotherapy , Cauda Equina , Peripheral Nervous System Neoplasms/radiotherapy , Radiosurgery , Aged , Carcinoid Tumor/diagnosis , Carcinoid Tumor/diagnostic imaging , Carcinoid Tumor/pathology , Cauda Equina/diagnostic imaging , Combined Modality Therapy , Female , Humans , Low Back Pain/etiology , Magnetic Resonance Imaging , Peripheral Nervous System Neoplasms/diagnosis , Peripheral Nervous System Neoplasms/diagnostic imaging , Peripheral Nervous System Neoplasms/pathology , Sciatica/etiology , Urinary Bladder, Neurogenic/etiology
BACKGROUND: Ossifying fibroma is a rare benign bone tumor that occurs mostly in the jaw, but also affects paranasal sinuses and fronto-ethmoidal complex. Occipital bone is an extremely rare location for these tumors; only two cases have been reported. METHODS: We present the first case reported as psammomatoid subtype of ossifying fibroma, according to the 2005 WHO classification. An 18 years old male patient with infratentorial tumor, in the occipital bone, that produces mass effect over the cerebellum. CONCLUSIONS: This case may provide a guide to consider these lesions for a more rapid and precise diagnostic in future cases.
