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  • Küçük Resim Yok
    Öğe
    Percutaneous computed-tomography-guided biopsy of the spine: 229 procedures
    (2006) Sucu H.K.; Çiçek C.; Rezanko T.; Bezircioglu H.; Erşahin Y.; Tunakan M.; Minoglu M.
    Objectives: Percutaneous biopsy of the spine is an effective and well-evaluated procedure. Only very few series containing more than a hundred patients have been reported so far and there is no agreement about the factors affecting the diagnostic rate. We aimed to find out if there is any factor influencing the success rate of the spinal biopsy using our biopsy series. Methods: Two hundred and twenty-nine procedures were performed in 201 patients between November 2001 and August 2005. All procedures were performed under computed tomography guidance. The side was chosen according to the extension of the lesion. When the lesion was in the midline or extended to both sides, we preferred to obtain biopsy from the right side. The puncture point and the needle trajectory were planned on both lateral computed tomography scout scan and axial scans. Results: We found that the diagnostic rate was not affected by the variables such as age, gender, type and diameter of the biopsy needle, diagnosis as well as lesion localization and level. The success rate of the repeat biopsies was considerably lower than the first procedures. Conclusions: The diagnostic rate is not affected by any of the variables but the approach, chosen can vary with the level, localization, and lesion characteristics. © 2006 Elsevier SAS. All rights reserved.
  • Küçük Resim Yok
    Öğe
    Prevention of anterior scar formation following discectomy with a medishield adhesion barrier: Randomized experimental trial Herniation
    (Turkish Neurosurgical Society, 2013) Sucu H.K.; Sevin I.E.; Rezanko T.; Hamdi B.; Sevin G.
    AIM: To investigate whether carboxymethylcellulose/polyethylene oxide (CMC/PEO) gel has a protective effect against epidural scar formation anterior to the dura following discectomy. Ma terIal and Methods: A barrier gel comprised of CMC and PEO (MediShield) was studied as a material to reduce anterior epidural scar formation in a rabbit laminotomy and discectomy model. After laminotomy and disc puncture, the surgical side was either treated with MediShield or used as a surgical control, as determined by random allocation. Two months after surgery, the animals were euthanized, and their lumbar spines were removed in an en bloc excision for pathological evaluation. Scar formation was evaluated as present or absent. Results: The MediShield group contained 12 rabbits, and the control group contained 7 rabbits. Epidural fibrosis was observed in two out of twelve specimens (17%) in the MediShield group and in three of seven (43%) cases in the control group (P=0.305, Fisher's Exact Test). ConclusIon: Though it was not statistically significant, we observed a difference between the MediShield and control group that favored the MediShield group. The application of the CMC/PEO gel might protect against epidural fibrosis after lumbar discectomy, but its efficacy needs to be investigated in larger experimental trials.