Oncological surgery is focused on cancer surgery. Surgery is one of the major modes of treatment in cancer, striving to make an early diagnosis of cancer. Surgical oncology takes major parts in cancer diagnosis and treatment to remove the area of cancer in the patient’s body. Oncologic surgery must definitely be performed by specialized surgeons.

The surgeon should provide the most effective and current treatment for the patient. Treatment should be continued in a multi-disciplinary approach before or after surgery. The aim of surgical treatment is the complete excision of the tumor, aiming to remove cancerous tissue both macroscopically and microscopically in patients at early stages of the disease.

Oncologic surgery can be performed to provide relief to patients, who cannot be treated completely with surgery. Surgery can be performed to treat disease symptoms or to provide comfort to patients.

The importance of oncological surgery (cancer surgery) has significantly increased in recent years. Especially, multidisciplinary collaboration has gained importance. Recent advances have been introduced into chemotherapy and radiotherapy approaches and adjuvant (chemotherapy, hormone therapy, smart drugs, and radiotherapy) and neoadjuvant (chemotherapy to reduce the mass and facilitate surgery) therapies have become widespread. Also, advances in diagnostic and modern investigation techniques have been developed and laparoscopic surgery started to replace previous open surgery methods.

Dr. Adem Dervişoğlu, MD, Professor

Adem Dervişoğlu was born in 1966 in Rize Çamlıhemşin. After completing his primary and high school education in Ankara; Adem Dervişoğlu started the school of medicine at Ankara University, from which he graduated at the end of 1990. He completed his specialty training, Ph degree, and qualification in medicine at Istanbul University Cerrahpaşa School of Medicine in 1997.

Thyroid Cancer

Thyroid cancers are the most common type of endocrine system tumors and they are treated in endocrinology, nuclear medicine, and general surgery. It shows the most rapid increase among all cancers. While the thyroid cancer held the 14th rank among all cancers in the past, it ranked the 7th in the 2000s.

Breast Cancer

Breast cancer is the most common cancer in women. It is the most common cause of cancer-related death in women after lung cancer. Despite the variability in different populations, approximately one in every 8 women in western societies develop breast cancer during their lifetime. The incidence of breast cancer is constantly on the rise from past to present.

Colorectal Cancers

Colorectal cancers are seen at variable incidences in different populations and more commonly in industrialized societies compared to developing countries. The incidence of colon cancer is the same in men and women, and it is the third most common cancer among all cancers.

Stomach (Gastric) Cancer

The incidence of gastric cancer varies between countries. Stomach cancer is common all over the world but especially in East Asia, South America, and Eastern Europe. The incidence is 2 times higher in men compared to women. It is often diagnosed between the ages of 60-80 years. It is more common in societies with low socioeconomic status.

Pancreatic Cancer

Pancreatic cancer is one of the most common insidious types of cancer. It is 30% more common in men than in women. The incidence of pancreatic cancer has been on the rise in recent years.




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Dr. Adem Dervişoğlu, MD, Professor | General Surgery

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