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  • Title: Arterial Supply of the Basal Ganglia: A Fiber Dissection Study.
    Author: Kuzucu P, Çeltikçi P, Demirtaş OK, Canbolat Ç, Çeltikçi E, Demirci H, Özışık P, Tubbs RS, Pamir MN, Güngör A.
    Journal: Oper Neurosurg (Hagerstown); 2023 May 01; 24(5):e351-e359. PubMed ID: 36719962.
    Abstract:
    BACKGROUND: The basal ganglia, a group of subcortical nuclei located deep in the insular cortex, are responsible for many functions such as motor learning, emotion, and behavior control. Nowadays, because it has been shown that deep brain stimulation and insular tumor surgery can be performed by endovascular treatment, the importance of the vascular anatomy of the basal ganglia is being increasingly recognized. OBJECTIVE: To explain the arterial blood supply of the basal ganglia using white matter dissection. METHODS: The Klingler protocol was used to prepare 12 silicone-injected human hemispheres. The dissections were performed from lateral to medial with the fiber dissection technique to preserve arteries. RESULTS: The globus pallidus blood supply came from the medial lenticulostriate, lateral lenticulostriate, and anterior choroidal arteries; the substantia nigra and subthalamic nucleus were supplied by the branches of posterior cerebral artery; the putamen was supplied by the lateral and medial lenticulostriate arteries; and the caudate nucleus was supplied by the lateral lenticulostriate and medial lenticulostriate arteries and the recurrent artery of Heubner. CONCLUSION: Knowledge of the detailed anatomy of the basal ganglia and its vascular supply is essential for avoiding postoperative ischemic complications in surgeries related to the insula. In addition, knowledge of this anatomy and vascular relationship opens the doors to endovascular deep brain stimulation treatment. This study provides a 3-dimensional understanding of the blood supply to the basal ganglia by examining it using the fiber dissection technique. Further studies could use advanced imaging modalities to explore the vascular relationships with critical structures in the brain.
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