Stereotactic biopsy of cerebellar lesions: straight versus oblique frame positioning

British Journal of Neurosurgery
Johanna Quick-WellerLutz M Weise

Abstract

Biospies of brain lesions with unknown entity are an everyday procedure among many neurosurgical departments. Biopsies can be performed frame-guided or frameless. However, cerebellar lesions are a special entity with a more complex approach. All biopsies in this study were performed stereotactically frame guided. Therefore, only biopsies of cerebellar lesions were included in this study. We compared whether the frame was attached straight versus oblique and we focused on diagnostic yield and complication rate. We evaluated 20 patients who underwent the procedure between 2009 and 2017. Median age was 56.5 years. 12 (60%) Patients showed a left sided lesion, 6 (30%) showed a lesion in the right cerebellum and 2 (10%) patients showed a midline lesion. The stereotactic frame was mounted oblique in 12 (60%) patients and straight in 8 (40%) patients. Postoperative CT scan showed small, clinically silent blood collection in two (10%) of the patients, one (5%) patient showed haemorrhage, which caused a hydrocephalus. He received an external ventricular drain. In both patients with small haemorrhage the frame was positioned straight, while in the patient who showed a larger haemorrhage the frame was mounted oblique. In all patients a fi...Continue Reading

References

Jun 13, 2009·Journal of Neurology, Neurosurgery, and Psychiatry·W RachingerF W Kreth
Feb 5, 2013·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Hideki Ogiwara, Nobuhito Morota
Sep 21, 2013·Asian Journal of Neurosurgery·Ali MeshkiniMohammad Naghavi-Behzad
Feb 1, 2014·Stereotactic and Functional Neurosurgery·Sebastian EibachChristian Senft
Dec 18, 2015·World Neurosurgery·Johanna Quick-WellerGerhard Marquardt
Mar 2, 2016·Journal of Child Neurology·Johanna Quick-WellerGerhard Marquardt
Jun 14, 2016·Journal of Neuro-oncology·Johanna Quick-WellerGerhard Marquardt

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