Page 9 - Best Tumor Marker Blood Test doctors: TOP 194 doctors

Dr. Alexander Zavoloka is a top plastic surgeon in Ukraine. He has 31 years of medical experience and 21 years as a surgeon. He has completed over 8,000 operations in plastic, aesthetic, and reconstructive surgery. His work shows strong skill and consistent results.

Dr. Zavoloka is a full member of the International Society of Aesthetic Plastic Surgeons. He is also a co-founder of the Society of Aesthetic Plastic Surgeons of Ukraine. He has taken part in 67 scientific forums in 29 countries and has organized 17 international master classes. He holds seven invention certificates and has published research on breast correction complications. He has earned the degree of Candidate of Medical Sciences.

Dr. Svetlana Sobol is an experienced obstetrician-gynecologist and gynecologist-endocrinologist with 15 years of clinical practice. She holds a second qualification category. Dr. Sobol graduated from Kharkiv National University named after V. N. Karazin.

She specializes in gynecology, gynecological endocrinology, and intimate plastic surgery. Dr. Sobol has completed many advanced courses and trainings to expand her skills. She also takes part in medical broadcasts on the “Healthspace” YouTube channel, helping to educate the public about health.

Head of the Department of Neurosurgery in the HM Hospitales Clinic

Gynecologist, oncologist

Medical Interests and Activities 

• Gastrointestinal diseases 

• Oncologic laparoscopic surgery 

• Anorectal area diseases 

• Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis) 

• Colon and rectum cancer 

• Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. • Laparoskopik hernia surgery 

• Esophagus and stomach cancer 

• Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)

Education and Experience 

• İstanbul University Medical Faculty 1988 • University of Colorado Health Science Center – Intern Surgeon 

• Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) • İstanbul Surgery Hospital – American Hospital (2000-2001) 

• Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) • World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012) 

• USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007) 

• Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014) 

• Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011) 

• Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor) 

• Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017) 

• Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017) 

• İstanbul University Medical Faculty – General Surgery Master of Science 1996 

• University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007

Scientific Publications • Endoscopic Laparoscopic & Minimal Invasive Surgery Journal Editorial Board / National Scientific Committee • UTACD Assist. Editor

Areas of Interests

• General Gastrointestinal Diseases
• Endoscopic procedures (gastroscopy, colonoscopy, enteroscopy, capsule endoscopy)
• Interventional endoscopy
• ERCP
• Endoscopic ultrasonography (EUS)
• Cholangioscopy
• Diseases of the biliary system and pancreas

Education:
 

• 1990 -1996 Ankara University Faculty of Medicine
• 1997 - 2001 Ankara Numune Training and Research Hospital Internal Medicine Residency
• 2001 - 2003 Turkey High Specialization Training and Research Hospital, Gastroenterology Subspecialization
• 2010 - 2010 State University of New York, USA, Department of Gastroenterology, EUS training program
   

Experience:
 

• June 2024 LIV Hospital Ulus Hospital
• 2018 - 2024 Florence Nightingale Hospitals, Gastroenterology Clinic
• 2013 - 2018 Memorial Ataşehir Hospital, Gastroenterology Clinic
• 2008 - 2013 Gaziantep University Faculty of Medicine, Department of Gastroenterology, Assoc. Prof. Dr.
• 2008 - 2008 Medicalpark Gaziantep Hospital Gastroenterology Clinic
• 2004 - 2008 Gaziantep State Hospital Gastroenterology Clinic, Endoscopy Unit Founding Physician

Publications

• Arhan M, Koklu S, Koksal AS, Yolcu OF, Koruk S, Koruk I, Kayacetin E. Alverine citrate induced acute hepatitis. World J Gastroenterol 2004; 10(15): 2303-4  ISSN: 1007-9327
• Parlak E, Cicek B, Koruk I, Disibeyaz S, Sahin B. Successful prevention of stent migration caused by placement of a second stent. Endoscopy. 2005; 37(4): 404. ISSN: 0013-726X
• Koruk I, Ozturk ZA, Köklü S, Koruk S, Ozdede S. Port-site metastasis after laparoscopic cholecystectomy. Acta Gastroenterol Belg. 2008; 71(2): 283-4      ISSN:0001-5644
• Koruk I, Parlak E, Secilmis S, Akdogan M, Koklu S.  Endoscopic sphincteroplasty with large balloon dilatation for extraction of difficult common bile duct stones. Dig Dis Sci. 2008 Jun;53(6):1737-8. ISSN: 0163-2116
• Ozkaya M, Yuzbasioglu MF, Koruk I, Cakal E, Sahin M, Cakal B. Preoperative detection of insulinomas: two case reports. Cases J. 2008 Nov 29; 1(1): 362  ISSN: 1757-1626
• Yılmaz Ö, Koruk İ, Çayır K, Koruk M, Yılmaz A. Usefullness of serum insulin-like growth factor (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3) for colorectal cancer diagnosis. Int J Hematol Oncol 2009; 19(1): 23-27  ISSN: 1306-133X
• Savaş C, Koruk İ, Koruk M, Kadayıfçı A, Sarı İ. Association of prion protein with the stage of liver fibrosis in chronic viral hepatitis. Trakya Univ Tip Fak Derg. 2010; 27(4): 373-7. DOI: 10.5174/tutfd.2009.02284.1 ISSN: 1301-3149
• Buyukberber M, Koruk I, Cıkman O, Koruk M, Kucukoglu ME, Sakman A, Demir O, Sahinoz S. Serum cystatin C measurement in differential diagnosis of intra and extrahepatic cholestatic diseases. Ann Hepatol 2010; 9(1): 58-62  ISSN: 1665-2681
• Gulsen MT, Koruk I, Dogan M, Beyazit Y. Diagnostic accuracy of cascade stomach by upper gastrointestinal endoscopy in patients with obscure symptoms: A multi-center prospective trial. Clin Res Hepatol Gastroenterol. 2011; 35: 489-93. DOI: 10.1016/j.clinre.2011.03.004         ISSN: 2210-7401
• Koruk I, Aydın U, Koruk S, Aydınlı M. A newly defined biliary anatomic variation. Turk J Gastroenterol 2011; April 22(2): 232-3  DOI:10.4318/ tjg.2011.0204  ISSN: 1300-4948
• Koruk İ, Özdemir H, Aydınlı M, Tarakçıoğlu M, Koruk M. The relation between serum Cytokeratin 18 and acute pancreatitis: Can it be a serological predictive marker?. Turk J Gastroenterol. 2011. DOI:10.4318/tjg.2011.0256 ISSN: 1300-4948
• Aydinli M, Koruk I, Koruk S, Aydin U, Kadayifci A. Intraoperative cholangioscopy with an ultrathin endoscope for hemobilia. Endoscopy 2011;43 Suppl 2 UCTN:E410. doi: 10.1055/s-0030-1256897. Epub 2012 Jan 24
• Aydinli M, Koruk I, Dag MS, Savas MC, Kadayifci A. Ultrathin endoscopy for gastrointestinal strictures. Digestive Endoscopy 2012 May;24(3):150-3. doi: 10.1111/j.1443-1661.2011.01206.x. Epub 2011 Oct 27                 ISSN: 0915-5635
• Yılmaz Ö, Koruk İ, Onbaş O, Ozgokce M. Portal venous gas resulting from enteritis in a case with portal hypertension: Case report. Türkiye Klinikleri Tıp Bilimleri Dergisi. 2012; 32 (4): 1195-8 ISSN: 1300-0292
• Demiryürek S, Koruk I, Bozdag Z, Ozkara E, Kaplan DS, Oztuzcu S, Cetinkaya A, Alasehirli B, Demiryürek AT. Investigation of the esophageal Rho-kinase expression in patients with Barrett's esophagus. Ultrastruct Pathol. 2013 Aug;37(4):284-9. doi: 10.3109/01913123.2013.797064        ISSN: 0191-3123
• Dag MS, Ozturk ZA, Koruk I, Kısacık B, Gerenli O, Aydınlı M, Kadayıfcı A. Intestinal Behcet's disease with severe pulmonary arterial involvement mimicking ulcerative colitis. Asian Biomedicine. 2013; 7(5): 715-8      ISSN: 1905-7415
• Dağ MS, Aydınlı M, Oztürk ZA, Türkbeyler IH, Koruk I, Savaş MC, Koruk M, Kadayıfçı A. Drug- and herb-induced liver injury: a case series from a single center. Turk J Gastroenterol. 2014 Feb;25(1):41-5. doi: 10.5152/tjg.2014.4486ISSN: 1300-4948
• Kadayifci A, Atar M, Parlar S, Balkan A, Koruk I, Koruk M. Transnasal endoscopy is preferred by transoral endoscopy experienced patients. J Gastrointestin Liver Dis. 2014 Mar;23(1):27-31     ISSN: 1841-8724
• Alasehirli B, Oğuz E, Oksuzler E, Koruk I, Oztuzcu S, Ozkara E, Karakok M, Erbagcı AB, Demiryurek AT. Investigation of intercellular adhesion molecules (ICAMs) gene expressions in patients with Barrett's esophagus. Tumour Biol. 2014 May;35(5):4907-12. doi: 10.1007/s13277-014-1644-3      ISSN: 1010-4283
• Dag M, Özturk Z, Aydınlı M, Koruk I, Kadayfçı A. Postpartum hepatotoxicity due to herbal medicine Teucrium polium. Ann Saudi Med. 2014 Nov-Dec;34(6):541-3. doi: 10.5144/0256-4947.2014.541        ISSN: 0256-4947
• Tahtacı M, İbiş M, Koruk İ, Parlak E. Endoscopic removal of fractured basket traction wire. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:324-5. doi: 10.5152/tjg.2014.6582            ISSN: 1300-4948
• Dağ MS, Koruk İ, Aydınlı M, Çam H, Öztürk ZA, Kadayıfçı A. An unusual cause of esophageal ulcer; sertraline hydrochloride. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:250-1. doi: 10.5152/tjg.2014.4646  ISSN: 1300-4948
• Balkan A, Yılmaz N, Balkan Y, Koruk İ, Örkmez M, Aydınlı M, Koruk M. Relationship between liver injury and serum cytokeratin 18 levels in asymptomatic hepatitis B virus carriers and in patients with chronic hepatitis B infection. Arab Journal of Gastroenterology. 2017; 18: 98–103                   ISSN: 1687-1979
• Koruk İ. How to manage difficult cannulation in ERCP. Gastroenterology and Hepatology: Open Access. 2017, 6(3): 00194. DOI: 10.15406/ghoa.2017.06.00194 ISSN: 2373-6372
• Valori R, Cortas G, de Lange T, Balfaqih OS, de Pater M, Eisendrath P, Falt P, Koruk I, et al.  Performance measures for endoscopy services: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative.  Endoscopy 2018; 50: 1186–1204   ISSN 0013-726X
• Koruk S, Koruk I, Mizrak A. A, Bilgi M, Gul R, Bozgeyik S. Dexmedetomidine or midazolam in combination with propofol for sedation in endoscopic retrograde cholangiopancreatography: a randomized double blind prospective study. Videosurgery Miniinv. 2020; 15(3): 526-32 doi.org/10.5114/wiitm.2020.95066

Areas of Interests

• Pituitary Diseases
• Thyroid Diseases
• Obesity
• Diabetes
• Female and Male Reproductive System Diseases
• Parathyroid Diseases
• Adrenal Gland Diseases
• Osteoporosis and Metabolic Bone Diseases

Education:

• Hacettepe University Faculty of Medicine
• Bezmialem Foundation University
• Health Sciences University Bakirkoy Dr. Sadi Konuk Training and Research Hospital
• Cleveland Clinic, The Endocrinology and Metabolism Institute observer physician
• University of Piemonte Orientale, SCDU Endocrinology, Italy, observer physician
   

Experience:
 

• Mehmet Akif Inan Training and Research Hospital
• Bakirkoy Dr. Sadi Konuk Training and Research Hospital
• Bezmialem Vakif University Hospital
• Malatya State Hospital

Areas of Interests

• MR Linac
• Three Dimensional Brachytherapy
• Four Dimensional (4D) Radiotherapy
• Stereotactic RT & IMRT
• Breast Cancer, Gynecological Cancers
• Head – Neck Cancers
• Urological Tumors, Gastrointestinal Cancers
• Lung Cancer
• Central Nervous System Tumors & Metastases
• Skin Cancers
• Soft Tissue Tumors

Education:

• Istinye University Medical Faculty, Professor Doctor (2017 – Continued)
• Istine University Medical Faculty Associate Professor Doctor (2016 – 2017)
• Liv Hospital Radiation Medicine Center, Tbilisi, Georgia, Radiation Oncology Consulting Docor (2016 – 2019)
• Liv Hospital, Radiation Oncology (2015 – Continued)
• Istanbul University Oncology Institution, Associate Professor (2012 – 2015)
• Stereotactic Radiotherapy, Thoracic Oncology, University of North Carolina, NC, USA (2010 – 2011)
• Kocaeli University Radiation Oncology Department, Associate Professor Assistant (2006 – 2009)
• GATA Radiation Oncology Department, Specialist Doctor, Reserve Officer (2004 – 2005)
• Istanbul University, Medical Faculty, Dr.R.A. (1999 – 2004)
• Istanbul University, Medical Faculty, Under-Graduate (1993 – 1999)
   

Experience:

• Istinye University Medical Faculty
• Liv Hospital Ulus
• Istanbul University Oncology Institution
• University of North Carolina, NC, USA
• Kocaeli University Medical Faculty
• Istanbul University, Medical Faculty

Dr. Itir Sirinoglu Temiz is a Professor of Hematology. She specializes in lymphoma, acute and chronic leukemias, multiple myeloma, thrombocytopenias, thrombosis, anemia, and bone marrow failure. She graduated with honors from Istanbul University Cerrahpaşa Faculty of Medicine. She completed her hematology training at Dr. Abdurrahman Yurtarslan Oncology Education and Research Hospital.

Dr. Sirinoglu Temiz has held key academic and administrative positions. She served as Head of Internal Medicine at IAU Faculty of Medicine. She was also Education and Administrative Manager at SBÜ Bakırköy Dr. Sadi Konuk EAH Hematology Clinic. She has broad experience in adult hematology, stem cell transplantation, and therapeutic apheresis. She currently practices at Liv Hospital.

Dr. Erkancakir is a specialist in pediatric chest diseases. He has experience with acute and chronic respiratory problems, respiratory tract infections, and bronchoscopic procedures. His areas of focus include asthma, sleep-related breathing disorders, cystic fibrosis, and tuberculosis.

He completed his medical degree at Istanbul University. He continued his specialty training at Göztepe Training and Research Hospital and Marmara University. Dr. Erkancakir has worked at leading institutions, such as Bezmialem Vakıf University and Süreyyapaşa Chest Diseases Training and Research Hospital.

He is an active member of several professional organizations, including the Turkish Thoracic Society and the European Respiratory Society. Dr. Erkancakir has received more than 20 national and international awards for his research and presentations, especially in pediatric pulmonology and cystic fibrosis.

Dr. Binnur Simsek is a gastroenterology specialist. She has experience in liver cirrhosis, portal hypertension, hepatocellular carcinoma, liver transplantation, and viral hepatitis (B, C, Delta). She also treats alcoholic and non-alcoholic fatty liver disease, peptic ulcers, gastrointestinal bleeding, and inflammatory bowel diseases such as ulcerative colitis and Crohn’s colitis.

She completed her medical and gastroenterology training at Istanbul University Faculty of Medicine. Dr. Simsek has worked at Istanbul University, Sanlıurfa Education and Research Hospital, Liv Hospital, and Istinye University. She is a member of the Turkish Association for the Study of the Liver and the Turkish Society of Gastroenterology.

Urologist, oncologist, specialist in robotic surgery

Dr. López-Ibor is a specialist in Pediatric Hematology and Oncology. She earned her medical degree from the Complutense University of Madrid and her doctorate from the University of Barcelona. She is also accredited by the University of Maryland. Dr. López-Ibor treats bone and brain tumors, leukemia, and blood disorders.

She has over 20 years of experience. Dr. López-Ibor leads the Pediatric Hematology and Oncology Unit at HM Montepríncipe Hospital. She has written many scientific articles, both nationally and internationally, and has made important contributions to her field.

Dr. Antonio Cubillo Gracián is a specialist in Medical Oncology. He has broad teaching and clinical experience at USP CEU and HM CIOCC. He has directed postgraduate research as Director of the Master’s in Clinical and Applied Research in Oncology. Since 2009, he has tutored more than 100 students, residents, and rotating staff.

Dr. Cubillo has advanced oncology education by teaching subjects such as General Medical Pathology, Oncology, Bioethics, and Pathophysiology. He has organized international courses on digestive neoplasms. He has also worked with leading institutions, including MD Anderson Cancer Center. His academic leadership and clinical mentorship have set high standards in oncology training and research.

He is Ear – Nose – Throat and Head and Neck Surgery Specialist. In 1974 he graduated from Ankara Ataturk High School. After he finished preparatory class in English for 1 year in ODTU, he won Hacettepe University Eskisehir Medical Faculty.

In 1980 he finished Hacettepe University Eskisehir Medial Faculty. In 1984 he got his career education in the department of ENT in Hacettepe University Medical Center. He served his military service in Ankara Mevki Hastanesi as an ENT Specialist, in 1986 he began his conscription in state of Ordu Government Hospital.

He worked in Izmir Atatürk Education and Research Hospital as chief intern in 1989, as a chef assistant in 1991, as an instructor in 1994 and worked there till June 2008. On June 20088, he worked in Namik Kemal University Medical Faculty in head of the department of ENT, Head of Department of Surgical Medical and worked as a Medical Faculty member of University Senate finally, he resigned on August in 2010.

Prof. graduated from Izmir Eşrefpaşa High School in 1996. Dr. Serdar KALEMCİ graduated from Süleyman Demirel University Faculty of Medicine in 2003. In 2009, he specialized in Dokuz Eylül University Faculty of Medicine, Department of Chest Diseases. He completed his compulsory service at Şanlıurfa Suruç State Hospital in 2010.

In 2015, he received the title of associate professor while working at Muğla University Faculty of Medicine, Department of Chest Diseases. Kalemci has clinical and experimental studies in the field of Chest Diseases.

He has 50 international publications. 4 of these were published in SCI and 36 in SCI EXPANDED journals. He has 20 national publications. He has made oral and written presentations at many national and international congresses.

Prof. M.D. Yusuf Serdar Sakin was born in Nevşehir in 1978. After completing his primary and secondary education in Ankara, he graduated from the Faculty of Medicine at Gülhane Military Medical Academy in 2002.
Following his graduation, he served in Gole/Ardahan for two years. He started his internal medicine training at the Department of Internal Medicine, Gülhane Faculty of Medicine.
After completing his training, he worked as an internal medicine specialist in Ankara. A year later, he began additional training in the Department of Gastroenterology at Gülhane Faculty of Medicine and completed his training in 2014.
After graduation, Yusuf Serdar Sakin continued to work in the same department. He also received advanced endoscopy and Motility training at AMC Center in the Netherlands in 2017.
After obtaining the title of Associate Professor in 2017, he became a Professor in 2023.
He currently provides medical services to patients at Koru Ankara Hospital. His areas of medical interest include:

-Endoscopic retrograde cholangiopancreatography (ERCP)
-Push enteroscopy
-Endoscopic mucosal resection
-High-resolution manometry
-pH/pH-impedance metry analysis
-Advanced endoscopic procedures (stenting, dilation, etc.)
-Gastrointestinal motility disorders
-Gastroesophageal reflux disease
-Inflammatory bowel diseases
-Advanced endoscopic procedures and pancreatitis.