Browsing by Author "Öncel, Mustafa"
Now showing items 1-20 of 23
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The comparison of local tumor control after microwave ablation, surgical resection and combined treatment for colorectal liver metastases
Güngören, Fatma Zeynep; Erol, Cengiz; Bilici, Ahmet; Dayangaç, Murat; Şeker, Mehmet; Ölmez, Ömer Fatih; Yaprak, Onur; Yıldız, Özcan; Öncel, Mustafa (ValpoScholar-Valparaiso University, 2022)Aim. We aimed to compare the local therapeutic efficiency of microwave ablation (MWA), surgical resection, and combined treatment, assess the outcomes, and identify predictive factors for local treatment response in ... -
A descriptive survey study to evaluate the relationship between socio-demographic factors and quality of life in patients with a permanent colostomy
Kement, Metin; Gezen, Cem; Aydın, Halime; Haksal, Mustafa; Can, Uğur; Aksakal, Nihat; Öncel, Mustafa (HMP Communications, LLC, 2014)The impact of having a stoma on quality of life is increasingly recognized and studied. A descriptive survey study was conducted between January 2006 and December 2011 among 44 patients (18 women, 26 men) with a permanent ... -
Factors predicting response to neoadjuvant chemotherapy in locally advanced gastric cancer
Yıldırım, Emine; Bektaş, Sibel; Göktaş Aydın, Sabin; Er, Ahmet Muzaffer; Yanık, İrem; Özkan Gümüşkaya, Perihan; Yılmaz, Barbaros Utku; Bilici, Ahmet; Öncel, Mustafa (Istanbul University, 2022)Objective: In the treatment of local advanced gastric cancer (LAGC), it is recommended to start with neoadjuvant chemotherapy (NAC). Although the benefits of NAC have been shown, it is still not fully understood which ... -
The feasibility of hepatic resections using a bipolar radiofrequency device (Habib®)
Civil, Osman; Kement, Metin; Okkabaz, Nuri; Haksal, Mustafa; Gezen, Cem; Öncel, Mustafa (Springer, 2015)The bipolar radiofrequency device (HabibA (R)) has been recently introduced in order to reduce intraoperative bleeding for a safe hepatic resection as an alternative to the conventional tools. However, indications, ... -
Fortune of temporary ileostomies in patients treated with laparoscopic low anterior resection for rectal cancer
Haksal, Mustafa; Okkabaz, Nuri; Atıcı, Ali Emre; Civil, Osman; Özdenkaya, Yaşar; Erdemir, Ayhan; Aksakal, Nihat; Öncel, Mustafa (Korean Surgical Society, 2017)Purpose: The current study aims to analyze the risk factors for the failure of ileostomy reversal after laparoscopic low anterior resection for rectal cancer. Methods: All patients who underwent a laparoscopic low anterior ... -
Gallbladder perforation during elective laparoscopic cholecystectomy: Incidence, risk factors, and outcomes
Altuntaş, Yunus Emre; Öncel, Mustafa; Haksal, Mustafa; Kement, Metin; Gündoğdu, Ersin; Aksakal, Nihat; Gezen, Fazlı Cem (Kare Publishing, 2018)OBJECTIVE: This study aimed to reveal the risk factors and outcomes of gallbladder perforation (GP) during laparoscopic cholecystectomy. METHODS: Videotapes of all patients who underwent an elective cholecystectomy at our ... -
J-pouch vs. side-to-end anastomosis after hand-assisted laparoscopic low anterior resection for rectal cancer: A prospective randomized trial on short and long term outcomes including life quality and functional results
Okkabaz, Nuri; Haksal, Mustafa; Atıcı, Ali Emre; Altuntaş, Yunus Emre; Gündoğan, Ersin; Gezen, Fazlı Cem; Öncel, Mustafa (Elsevier Science Bv, 2017)Purpose: To analyze the outcomes of j-pouch and side-to-end anastomosis in rectal cancer patients treated with laparoscopic hand-assisted low anterior resection. Methods: Prospective trial on cases randomized to have a ... -
Laparoscopic and conventional incisional hernia repair: A retrospective analysis
Haksal, Mustafa Celalettin; Gezen, Cem; Okkabaz, Nuri; Yılmaz, Merih; Öncel, Mustafa (Kocaeli Derince Training and Research Hospital, 2018)INTRODUCTION: To analyze the outcomes oflaparoscopic and open techniques in incisional herniarepair.METHODS: Patients’ charts with incisional herniawere retrospectively reviewed. Demographics, diseaseand operation related ... -
Laparoscopic resection of primary tumor with synchronous conventional resection of liver metastases in patients with stage 4 colorectal cancer: A retrospective analysis
Aim: Aim of this study is to analyze the short and long term results of laparoscopic colorectal cancer resection with synchronous conventional resection of liver metastasis. Method: All cases operated on synchronous ... -
Outcomes of conversion from laparoscopy to open surgery in geriatric patients with colorectal cancer: A case-control study
Okkabaz, Nuri; Yılmaz, Merih; Civil, Osman; Haksal, Mustafa; Öncel, Mustafa (Zerbinis Publications, 2019)Purpose: To evaluate the incidence, risk factors and outcomes of conversion from laparoscopic to open surgery in geriatric patients with colorectal cancer (CRC). Methods: All patients subjected to laparoscopic procedures ... -
The potential prognostic role of peritumoral eosinophils within whole tumor-associated inflammatory cells and stromal histological characteristics in colorectal cancer
Ramadan, Saime; Saka, Burcu; Yarıkkaya, Enver; Bilici, Ahmet; Öncel, Mustafa (Vesalius University Medical Publisher, 2020)We aimed to determine the prognostic role of whole tumor-associated inflammatory cells, especially eosinophils, and stromal histological characteristics in relation to other prognostic parameters in patients with colorectal ... -
Preoperative imaging guided no-laparotomy vs conventional diverting colostomy: A multi-institutional case-control study
Haksal, Mustafa Celalettin; Okkabaz, Nuri; Şeker, Mehmet; Göret, Nuri Emrah; Altuntaş, Yunus Emre; Erol, Cengiz; Öncel, Mustafa (Kocaeli Derince Training and Research Hospital, 2019)INTRODUCTION: We aimed to compare the outcomes of no-laparotomy and conventional diverting colostomy techniques and to describe the process and benefits of using preoperative imaging tools in no-laparotomy procedure. ... -
Previous stoma site for the extraction of specimen in patients undergoing laparoscopic rectal surgery: Report of two cases
Atıcı, Ali Emre; Öncel, Mustafa; Altuntaş, Yunus Emre (Edizioni Minerva Medica, 2014)An abdominal incision is generally accepted to be a necessity for the extraction of the specimen during laparoscopic colorectal surgery, except the cases receive an abdominoperineal excision. Exceptionally more minimally ... -
Prognostic significance of metastatic lymph node ratio in patients with pN3 gastric cancer who underwent curative gastrectom
Bilici, Ahmet; Biricik, Fatih Selçuk; Şeker, Mesut; Öven, Başak Bala; Ölmez, Ömer Fatih; Yıldız, Özcan; Ölmüşçelik, Oktay; Hamdard, Jamshid; Açıkgöz, Özgür; Çakır, Aslı; Kapran, Yersu; Balık, Emre; Öncel, Mustafa (Karger, 2019)Background: Lymph node involvement is an important prognostic factor in patients with gastric cancer. The aim of this study was to determine the prognostic significance of metastatic lymph node ratio (MLNR) and compare it ... -
Prognostic significance of positive lymph node ratio in patients with pN3 gastric cancer who underwent curative gastrectomy
Bilici, Ahmet; Şeker, Mesut; Öven Ustaalıoğlu Bala, Başak; Ölmez, Ömer Fatih; Yıldız, Özcan; Çakır, Aslı; Çağlar, Hale Başak; Öncel, Mustafa (Oxford University Press, 2017)Introduction: Lymph node metastasis is an important prognostic factor for patients with gastric cancer. The aim of this study was to determine the prognostic significance of metastatic lymph node ratio (MLNR) in pN3 gastric ... -
Ramadan fasting in patients with a stoma: A prospective study of quality of life and nutritional status
Altuntaş, Yunus Emre; Gezen, Fazlı Cem; Sahoniz, Turgut; Kement, Metin; Aydın, Halime; Şahin, Fatma; Okkabaz, Nuri; Öncel, Mustafa (H M P Communications, 2013)Ramadan fasting is an Islamic obligation for healthy Muslims after the age of puberty. Persons with an acute or chronic disease may be excused from this obligation; the degree of the disease is an important parameter for ... -
Risk factors for early postoperative morbidity and mortality in patients underwent radical surgery for gastric carcinoma: A single center experience
Vural, Selahattin; Civil, Osman; Kement, Metin; Altuntaş, Yunus Emre; Okkabaz, Nuri; Gezen, Fazlı Cem; Haksal, Mustafa; Gündoğan, Ersin; Öncel, Mustafa (Elsevier Science Bv, 2013)Background: Aim of this study is to analyze the incidence and risk factors for early postoperative morbidity and mortality that occur after gastric carcinoma surgery. Materials and methods: All consecutive patients with ... -
Safety and feasibility of laparoscopic sigmoid colon and rectal cancer surgery in patients with previous vertical abdominal laparotomy
Haksal, Mustafa; Özdenkaya, Yaşar; Atıcı, Ali Emre; Okkabaz, Nuri; Aksakal, Nihat; Erdemir, Ayhan; Civil, Osman; Öncel, Mustafa (Elsevier, 2015)Introduction: Current study aims to analyze the impact of previous vertical laparotomy on safety and feasibility of laparoscopic sigmoid colon and rectal cancer operations. Methods: All consecutive patients who underwent ... -
Short- and long-term outcomes after curative surgery for rectal cancer in patients under the age of fourty years: a stage based case-match analysis
Civil, Osman; Öncel, Mustafa (Istanbul Training & Research Hospital, 2020)Introduction: The aim of the study is to compare the short andlong-term outcomes after curative surgery for rectal cancer inpatients under the age of 40 years and over the age of 50 years.Methods: A total of 46 patients ... -
Surgical treatment of recurrent colorectal cancer: Short and long term outcomes
Okkabaz, Nuri; Öncel, Mustafa (2019)Aim: The aim of this study was to investigate the effect of surgical margin positivity on short- and long-term outcomes in patients undergoing recurrent colorectal cancer surgery. Method: Demographics, parameters related ...
