Publications by authors named "Cenap Dener"

Background: We compared the differences in thermal damage at the surgical margin between monopolar cautery, bipolar cautery, and LigaSure™ in breast cancer lumpectomy specimens and assessed the effect of these techniques on the evaluation of the surgical margins.

Methods: 30 patients scheduled for breast-conserving surgery for breast cancer were included in this study. During lumpectomy, each of the superior, inferior, lateral, and medial borders of the tumour was excised using one of the following: a scalpel, monopolar cautery, bipolar cautery, and LigaSure technology.

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To investigate the effect of US performed immediately before breast conserving surgery (BCS) by radiologist accompanied by the surgeon. All patients scheduled for BCS in the last year (group 1, n = 46) were evaluated with US immediately before surgery. About 108 patients (group 2) who were treated with BCS before the study were included as the control group.

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Lymphangiectasia is characterized by vesicular dilation of lymphatic vessels and is generally a complication of radiotherapy or surgery of various malignant tumors such as breast and cervical cancers. Although it is not a precancerous disease, correct diagnosis is important to rule out Stewart-Treves syndrome which is defined as lymphangiosarcoma that develops in long-standing chronic postmastectomy lymphedema. Observation alone or many therapeutic options including cryosurgery, electrocauterization, sclerotherapy, and excision have been widely used in the management.

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Spigelian hernia is a rare type of ventral hernias with nonspecific symptoms and signs. Therefore, its diagnosis is often difficult and requires more clinical attention. Although intermittent abdominal swelling and pain are the main symptoms, Spigelian hernias can be sometimes asymptomatic and are discovered incidentally at the operation.

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Paclitaxel and docetaxel are antineoplastic drugs derived from the yew tree, Taxus brevifolia. They are the members of the taxane family and act by inhibiting mitotic activity due to the suppression of microtubule depolymerization. They are used in the treatment of ovarian cancer, breast cancer, gastric cancer, small cell lung cancer, and head and neck cancer.

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Pseudomyxoma peritonei is a rare but challenging neoplastic disease which is characterized with intraperitoneal mucinous-gelatinous fluid accumulation. It rarely presents as a mass mimicking abdominal wall hernias A recurrent incisional hernia due to pseudomyxoma peritonei is presented here. A 60-year-old female patient had been operated on for a left mucinous ovarian cyst 20 cm in diameter in 1998.

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Hepatic portal venous gas is most often associated with extensive bowel necrosis due to mesenteric infarction. Mortality exceeds 75% with this condition. The most common precipitating factors include ischemia, intra-abdominal abscesses and inflammatory bowel disease.

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Background: The purpose of the study was to evaluate the utility of fine needle aspiration--FNA and cytologic analysis of impalpable complicated breast cysts.

Material And Methods: We rewieved the imaging findings, aspiration, cytology and biopsy results and followup imaging findings of 246 complicated cysts in 166 women retrospectively.

Results: FNA was performed in 169 out of the 246 complicated cysts.

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Paraduodenal hernias, or so called "congenital intraperitoneal hernias"are rare cause intestinal obstruction. These hernias are caused by variations in intestinal rotation and the patients present with symptoms ranging from intermittent abdominal pain to acute obstruction. We report two cases of obstructive paraduodenal hernias which are at left and right each and review of its clinical features and surgical management.

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Sudden death due to acute pancreatitis has been rarely determined. A review of 3305 autopsies performed between 1991 and 2001 at the Council of Forensic Medicine found 12 cases (0.36%) with sudden death due to acute hemorrhagic pancreatitis without symptoms.

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Purpose: Anastomotic leakage of colonic and rectal anastomoses is a major complication after large intestine surgery. Many factors influence the healing of colon anastomoses. Flavonoids have been recognized for centuries as physiologically active constituents that are used to treat human diseases.

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Hypothesis: In this study, the influence of obstructive jaundice on the CD44 expression in the rat small intestine and the alterations of this CD44 expression by vitamin A given intraperitoneally (200 IU/g/day) are evaluated.

Materials And Methods: In a prospective animal model study, 32 Sprague-Dawley rats were randomized into four groups: group A rats (n = 8) underwent sham operation and were given daily saline intraperitoneally for 2 weeks (sham + saline); group B animals (n = 8) underwent sham operation and were given daily vitamin A intraperitoneally for 2 weeks (sham + vitamin A); group C rats (n = 8) underwent common bile duct ligation and were given daily saline intraperitoneally for 2 weeks (obstructive jaundice + saline), and group D animals (n = 8) underwent common bile duct ligation and were given daily vitamin A intraperitoneally for 2 weeks (obstructive jaundice + vitamin A). After 2 weeks, standardized jejunum and ileum segments were harvested from all animals.

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The aim of this retrospective study was to differentiate complications from malpractices in surgical cases and to help specialists who work as court experts in malpractice litigations. We reviewed 366 malpractice cases notified to The Higher Health Council by Criminal Courts between 1995 and 2000. Of these, 93 had General surgical malpractice cases.

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This study aimed to investigate the effects and timing of local anesthesia during laparoscopic surgery in terms of postoperative pain, nausea, and the need for opioids and antiemetics. This prospective study was carried out on 142 patients who underwent laparoscopic cholecystectomy. Peroperative local anesthesia was not administered to 53 patients (group A).

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We designed a prospective study to assess the contributing factors in puerperal breast abscess and to evaluate the treatment options. During the 4-year study period, 128 nursing women with breast infection were followed. Of these, 102 had mastitis (80%) and 26 had breast abscess (20%).

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Controversy persists concerning the use of total thyroidectomy in benign thyroid disease and varying complication rates have been reported. We evaluated the safety of total thyroidectomy or lobectomy in benign thyroid disease. During a 5-year period, 102 patients were operated on for benign thyroid disease, including multinodular goiter (n = 55), solitary nodule (n = 18), toxic nodular goiter (n = 22) and Hashimoto's thyroiditis (n = 7).

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