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RISS 인기검색어
- 검색키워드
- 저자 : Volkan Ozben (검색결과 4 건)
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- 기관 내 무료
- 유료
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( Metin Ertem ),( Volkan Ozben ) 대한간학회 2011 Gut and Liver Vol.5 No.4
Restorative proctocolectomy (RPC), when performed with a stapled ileal pouch-anal anastomosis (IPAA), allows the retention of the rectal mucosa above the dentate line and can result in disease persistence or recurrence, as well as neoplastic lesions in patients with ulcerative colitis (UC). We report the case of a patient with chronic UC who underwent staple mucosectomy, which is an alternative technique that evolved from stapled hemorrhoidopexy, rather than more traditional procedures. The patient had undergone laparoscopic RPC with a stapled IPAA 2 cm above the dentate line and a temporary loop ileostomy. Because the histopathology showed low-grade dysplasia in the proximal rectum, stapled mucosectomy with a 33-mm circular stapler kit at the time of ileostomy closure was scheduled. Following the application of a purse-string suture 1 cm above the dentate line, the stapler was inserted with its anvil beyond the purse-string and was fi red. The excised rectal tissue was checked to ensure that it was a complete cylindrical doughnut. Histopathology of the excised tissue showed chronic inflammation. There were no complications during a follow-up period of 5 months. Because it preserves the normal rectal mucosal architecture and avoids a complex mucosectomy surgery, stapled mucosectomy seems to be a technically feasible and clinically acceptable alternative to the removal of rectal mucosa retained after RPC. (Gut Liver 2011;5:539-542)
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The effects of ventilation with high density oxygen on the strength of gastrointestinal anastomosis
Tevfik Eker,Volkan Genc,Yusuf Sevim,Ozge Cumaogullari,Menekse Ozcelik,Akin Firat Kocaay,Cemal Ozben Ensari,Ozge Tugce Pasaoglu 대한외과학회 2015 Annals of Surgical Treatment and Research(ASRT) Vol.89 No.1
Purpose: The aim of our study is to evaluate the effects of administration of perioperative supplemental oxygen on anastomoses. Methods: Forty male Wistar albino rats were used in the study and randomized into 4 groups. Ischemia-reperfusion models were built in groups 3 and 4. Jejunojejunostomy was performed in all rats and assigned to an oxygen/nitrous oxide mixture with a fraction of inspired oxygen of 30% in groups 1 and 3 and 80% in groups 2 and 4. The measurements of perianastomotic tissue oxygen pressure, bursting pressure, level of hydroxyproline were evaluated and compared in all groups. Results: The perianastomotic tissue oxygen pressures, bursting pressures and levels of hydroxyproline were identified as significantly high in groups 2 and 4, administered a fraction of inspired oxygen of 80%, compared to groups 1 and 3, administered a fraction of inspired oxygen of 30%. Conclusion: Perioperative supplemental oxygen contributes positively to the anastomotic healing.
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Gokhan Cipe,Volkan Genc,Aysun Genc,Volkan Ozben,Salim Basceken,Ebru Bilge Dusunceli 한국유방암학회 2011 Journal of breast cancer Vol.14 No.4
Sjögren’s syndrome (SS) is an autoimmune disease that chronic inflammation and lymph node proliferation. Patients with SS carry a greater risk of developing lymphoproliferative malignancy. In addition to other organ cancers, breast cancer may also occur in these patients. Considering these, breast cancer in patients with SS can be misdiagnosed as being in an advanced stage particularly in the presence of axillary lymphadenopathy. Here, we report a rare case of a 45-year-old woman with SS who presented with a breast mass. Radiology showed a 4 cm solid lesion and conglomerates of axillary lymphadonepathy. A breast biopsy revealed ductal carcinoma in situ. A modified radical mastectomy was performed; however, no axillary metastases were detected. Clinicians should remain vigilant to the possibility that a false clinical impression of axillary metastasis may occur in such patients with breast cancer. Therefore, axillary node status should be verified first.
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Metin Ertem,Hakan Gok,Emel Ozveri,Volkan Ozben 대한대장항문학회 2014 Annals of Coloproctolgy Vol.30 No.4
Purpose: A number of techniques have been described for the treatment of a transsphincteric anal fistula. In this report, we aimed to introduce a relatively new two-stage technique, application of advancement flap after loose seton placement, to present its technical aspects and to document our results. Methods: Included in this retrospective study were 13 patients (10 males, 3 females) with a mean age of 42 years who underwent a two-stage seton and advancement flap surgery for transsphincteric anal fistula between June 2008 and June 2013. In the first stage, a loose seton was placed in the fistula tract, and in the second stage, which was performed three months later, the internal and external orifices were closed with advancement flaps. Results: All the patients were discharged on the first postoperative day. The mean follow-up period was 34 months. Only one patient reported anal rigidity and intermittent pain, which was eventually resolved with conservative measures. The mean postoperative Wexner incontinence score was 1. No recurrence or complications were observed, and no further surgical intervention was required during follow-up. Conclusion: The two-stage seton and advancement flap technique is very efficient and seems to be a good alternative for the treatment of a transsphincteric anal fistula.
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