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  • Expandable tubular retractor used as an endoport for endoscope-assisted removal of intraventricular tumor = Razširljivi cevasti razpirač kot endoport za endoskopsko-asistirano odstranitev intraventrikelnega tumorja
    Bošnjak, Roman ; Vittori, Alenka
    Introduction. Brain retraction is necessary to approach deep-seated intra-axial lesions. The incidence of brain retraction injury remains high. We describe a transparent PVC tubular retract or ... technique for intraventricular lesion. Patients and methods. The technique was used in a 75-yr old patient with a 3x3 cm tumor in the frontal horn of the left lateral ventricle. A 1.5 cm skin incision was made inside the forehead wrinklesupracilliary followed by 1 cm trephination.The polyvinyl sheet was cut in 7x 7 cm square piece and rolled into a tubular shape. We inserted theroll wrapped around neuronavigational probe via minimal brain incision, expanded the inserted rollwith a balloon dilatation to 7 mm of diameter and kept this surgical corridor without usual spatulasduring bimanual microsurgical lesionectomy under endoscopic visualization. Results. Subependimoma was completely removed from the frontal horn, foramen of Monroe was released, septum was perforated. There was no hematoma. The patient was without neurological problems. The cosmetic effect was excellent. T2/FLAIR MRI scan revealed only a minimal white matter injury along the surgical corridor. Conclusions. The expandable tubular retractor in conjunction with frameless neuron avigation provided a safe access and an excellent visualization of the underlying lesion. The tubular shape of the retractor permitted the use of standard microsurgical techniques through minimally invasive craniotomies without putting extra pressure on the brain tissue.
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2013
    Jezik - slovenski
    COBISS.SI-ID - 31075545