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Prof. Dr. Oktar ASOĞLU

Vişnezade Mahallesi Acısu Sokak Salihbey Apt. No:16 Kat:4 D:5 Maçka, Beşiktaş, Istanbul, Turkey


About Clinic

In 1996, he became a specialist in the Department of General Surgery of the Istanbul Faculty of Medicine. In the same year, he attended the courses organized by the Istanbul Medical Faculty General Surgery Department and received his gastrointestinal endoscopy and surgical laparoscopy certificates. He was deemed worthy of an award by operating 500 cases of gunshot wounds at the Van Military Hospital, where he went to complete his military service, during a time when terrorism was most intense, and not losing any patients. The experience he gained in War Surgery made a great contribution to the following period. In 2000, he started to work as a specialist in Istanbul Medical Faculty, Department of General Surgery. With the international scholarship he won in 2004, he continued his education at Memorial Sloan Kettering Cancer Center (New York, USA), Department of General Surgery, in esophagus, stomach, colorectal and pancreatic surgery units. Oktar Asoğlu became Associate Professor in 2005 and Professor in 2010. Since 2005, he has been dealing specifically with the surgical treatment of only digestive system cancers (colorectal and gastric cancer intensified), especially with the laparoscopic and robotic method, and he still continues to work in this field. His study, which showed that the nerves responsible for urination and sexual functions seen after surgery in patients with rectal cancer can be better preserved with the laparoscopic method (Surg Endosc 2009), has been published in numerous international meta-analyses and publications (For example, Surg Clinic North Am 2011-2013), as well as the European Association of Endoscopic Surgeons. (EAES) clinical practice guide (Surg Endosc and Interventional Tech 2011) cited as a reference.

Prof. Dr. Oktar Asoğlu served as a Member of the Board of Directors and General Secretary of the Turkish Colon and Rectal Diseases Surgery Association for three terms. To date, Asoğlu has given 55 international publications, more than 100 international speeches, more than 200 national speeches and received more than 500 citations in total. He has received the “Surgeon of Excellence” from the colorectal program for the first time in the world, from the international independent auditor Surgical Review Corporation (SRC). The “Surgeon of Excellence” certification was given as the fourth in the world in the field of robotics.

He started and established Liv Hospital Medical Director in 2012, left this position in 2016, and fulfilled his duty as the founding dean of İstinye University in the 2016-2017 academic year. He still continues his professional studies in his practice and part-time at Acıbadem Maslak Hospital.

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What is Rectal Cancer?

Rectal cancer is a form of cancer that develops in the rectum, the last several inches of the large intestine ending at the anus. This type of cancer typically begins as small, benign clumps of cells called polyps that form on the inner lining of the rectum. Over time, some of these polyps can become rectal cancers. Symptoms of rectal cancer may include rectal bleeding, changes in bowel habits, persistent abdominal discomfort, a feeling that the bowel doesn't empty completely, weakness or fatigue, and unexplained weight loss. However, rectal cancer can be present without any symptoms, especially in its early stages.

The diagnosis of rectal cancer often involves a combination of methods. A digital rectal exam (DRE), where a doctor examines the rectum manually, can detect abnormalities. If rectal cancer is suspected, a colonoscopy is typically performed to examine the entire colon and rectum, and if necessary, to take a biopsy for further analysis. Imaging tests like CT scans, MRIs, and endorectal ultrasounds can help determine the extent of the cancer and whether it has spread. Treatment for rectal cancer depends on its stage and can include surgery, radiation therapy, chemotherapy, targeted therapy, or a combination of these treatments. Early detection of rectal cancer significantly increases the chance of a successful outcome, underscoring the importance of regular screenings, especially for individuals over the age of 50 or those with a family history of colorectal cancer.

What is Oncology?

Oncology is a branch of science that examines the formation, causes, diagnosis, treatment and relationship of tumors in the body with heredity. It examines non-cancerous cells as well as cancerous cells. This broadens the fields of interest in oncology. Medical oncology, which examines chemotherapy applications which means treatment of cancer with medication, also examines cancer prevention, cancer screening and early diagnosis applications. Radiation oncology is a medical science that studies the effects of treatment procedures using radiotherapy on cancer cells. Cancer surgeries are often performed by oncological surgeons with advanced expertise in the surgery of the respective cancer.