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  • Author or Editor: Necdet Çeviker x
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Semih İ. Keskil, Necdet Çeviker, Kemali Baykaner and Hizir Alp

✓ The optimum length of a ventricular catheter to be placed in a particular patient may be difficult to determine when either intraoperative ultrasound is not available or considerable time has elapsed between the diagnostic computerized tomography scan and the operation. An index for estimating ventricular length based on the head circumference of the individual is described. This method was tested clinically and proved to be successful.

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Fikret Dogulu, Ayhan Önk, Namik Öztanir, Necdet Çeviker and M. Kemali Baykaner

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Fikret Dogulu, Gokhan Kurt, Hakan Emmez, Ozlem Erdem, Leyla Memis, Kemali Baykaner and Necdet Ceviker


The authors conducted a study to determine the effectiveness of mitomycin C in preventing postlaminectomy peridural fibrosis in rabbits.


Laminectomies were performed at L-4 in 12 rabbits. Color-coded cotton pads soaked either with 0.02% mitomycin C or saline were applied in a blinded fashion to the operative sites, with saline-treated laminectomy sites serving as controls. The rabbits were killed 30 days after surgery. The extent of peridural fibrosis was evaluated by histological analysis.

The mitomycin C—treated sites showed significantly decreased peridural fibrosis.


Peridural fibrosis can be a devastating condition that develops after laminectomy. Topical application of mitomycin C may be a successful method of preventing postlaminectomy peridural fibrosis.