Contralateral transcallosal transfalcine approach for bilateral intra-extraventricular anaplastic ganglioglioma via 'the trans-tumoral route': a technical case instruction.
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Abstract
Background: Bilateral, biventricular lesions present a challenging scenario in neurosurgery, often requiring complex surgical techniques for management. Gangliogliomas (GG), while typically indolent, can manifest as anaplastic variants (AGG), necessitating comprehensive treatment strategies. This case study explores a unique surgical approach for a patient with bilateral, intra-extraventricular lesions infiltrating the corpus callosum, highlighting the complexities of managing such cases.
Methods: A 63-year-old female presented with a progressive intraventricular lesion infiltrating the left frontal lobe, diagnosed initially as a ganglioglioma. Following resection and histological examination, the lesion was confirmed as a WHO Grade 1 ganglioglioma. Subsequently, a contralateral lesion emerged, necessitating a novel surgical approach to achieve maximal safe resection while minimising neurological deficits. The technique involved extending the surgical corridor contralaterally along the tumour route, guided by neuronavigation and fluorescence imaging.
Results: The surgical approach enabled maximal safe resection of the lesion, with postoperative imaging confirming complete resection in most sites except for a known infiltration in the right posterior lateral ventricle. Histological examination revealed AGG, prompting subsequent adjuvant radiotherapy due to its aggressive nature.
Conclusion: The management of bilateral, biventricular lesions such as AGG requires innovative surgical approaches tailored to individual patient characteristics. The case highlights the efficacy of a transtumoral approach in achieving maximal safe resection while minimising neurological sequelae. Moreover, it underscores the importance of comprehensive treatment strategies, including adjuvant therapies, in addressing aggressive histological variants of gangliogliomas.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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