Objectives The number of original scientific researches on intracranial aneurysms has risen over the last 30 years. Despite the rise in the number of articles, there is no up-to-date exhaustive bibliometric research in the literature. This study aimed to contribute to the literature via a bibliometric analysis of the original scientific researches on intracranial aneurysms published over the last 30 years. Methods The literature review was done using the Web of Science. All articles and its citations containing aneurysm keywords were analyzed in the "title" section of articles published in the research areas: Neurosciences Neurology during 1980–2019. Correlation analyses between the number of articles produced by the countries and their economic and development indicators of gross domestic product, and Human Development Index were analyzed using the Spearman correlation coefficient. Linear regression analysis was utilized to estimate the number of articles to be published in the future. Results There were a total of 21,673 publications on intracranial aneurysms. Of these publications, 13,371 (61.7%) were articles. The three countries that produced the most articles were the USA (4098), Japan (2668), and China (937). A statistically significant correlation was found between the development indicators of world countries and publication productivity ( p<0.001). The three journals that produced the most publications were Neurosurgery, Journal of Neurosurgery, and American Journal of Neuroradiology. The most cited article was published in Journal of Neurosurgery. Conclusion This bibliometric study provides a collection of data that will help design future research on intracranial aneurysms more efficiently and make innovations at greater speed.

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Background: Intradural disc herniation (IDH) is rare and is thought to be caused by posterior longitudinal ligament and posterior adhesions. MRI findings are inadequate for definitive diagnosis. We reported a patient with an L4-5 IDH and reviewed the literature. Case Description: A 71-year-old male patient presented with acute exacerbation of right lower extremity radiculopathy. MRI with/without contrast suggested IDH and spinal cord compression at the L4-5 spine level. While elective surgery was planned for the patient who did not have motor deficits at the time of admission, he underwent emergency surgery due to sudden urinary incontinence. At surgery, the disc herniation was appropriately resected, the dura was closed. Conclusion: Although MRI is helpful in the diagnosis of IDH, the definitive diagnosis is made intraoperatively. In surgery, both the extradural and intradural disc components should be removed and as small laminectomy and dura incision as possible.