Does Probe's Eye Subthalamic Nucleus Length on T2W MRI Correspond with Microelectrode Recording in Patients with Deep Brain Stimulation for Advanced Parkinson's Disease?

Ersoy Kocabicak*, Dursun Aygun, Ilkay Ozaydin, Ali Jahanshahi, Sonny K. H. Tan, Musa Onar, Omer Boke, Murat Kurt, Hatice Guz, Murat Terzi, Onur Alptekin, Yasin Temel

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

AIM: Subthalamic nucleus (STN) deep brain stimulation (DBS) has become a well-accepted treatment for patients with advanced Parkinson's disease (PD). During surgical planning for DBS, the length of the STN is taken into account and verified during microelectrode recording (MER) intraoperatively. Here, we addressed the question to which extent the length of the STN measured with the 12 weighted MRI in the probe's eye view corresponded with the intraoperatively determined length of the STN with MER. MATERIAL and METHODS: We included 10 consecutive Parkinson's disease patients who underwent STN DBS surgery. The length of the SIN in the probe's eye view mode was calculated along the trajectory of the central MER electrode crossing the STN. RESULTS: Our analysis showed no statistical difference between the length of the SIN measured with the T2 weighted probe's eye view mode and the MER (right STN length 5.8 +/- 0.9 mm MRI vs. 6.3 +/- 0.5 mm gER, p>0.05; left SIN length 5.6 +/- 0.4 mm MRI vs 5.8 +/- 1 mm MER, p>0.05). CONCLUSION: This means that the entry and the exit of the STN can be adequately estimated using the probe's eye view preoperatively.
Original languageEnglish
Pages (from-to)658-665
JournalTurkish Neurosurgery
Volume23
Issue number5
DOIs
Publication statusPublished - Sept 2013

Keywords

  • Parkinson's disease
  • Subthalamic nucleus
  • Microelectrode recording
  • Magnetic resonance imaging
  • Deep brain stimulation

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