Best Ultrasound gastroenterologists: TOP 273 doctors

Dr. Jose Rojas is a highly experienced specialist with 25+ years of experience in gynecology and obstetrics surgery, specializing in Universidad Autonoma de Baja California, and certified by the Mexican Council of Gynecology and Obstetrics Surgery. He speaks English and Spanish.

Prof. Ralf Buhl is world famous neurosurgeon with over 20 years of experience. Doctor Buhl heads the Neurosurgery Department at Solingen Klinikum. His reputation reaches China and the US where he provides neurosurgical lectures.

Specialty

Dr. Buhl specializes in non-invasive methods treatment of disc herniation, brain and spinal cord tumors. The doctor provides treatment of peripheral nervous system disorders and performs computer-assisted navigation microsurgeries.

Dr. Ralf Buhl has provided over 4,000 successful neurosurgeries. Among his patients are famous politicians, businessmen, musicians, actors. In 2015, a Hollywood star George Clooney had severe back pain and was treated by Professor Buhl.

Scientific activity

Dr. Buhl conducts scientific work and researches in intracranial cavernomas treatment, surgical treatment for brain metastases and other neurosurgery areas.

Рrofessor Buhl has cofound the Fund devoted to the study of brain tumors.

Neurosurgery Training: Gazi University, Department of Neurosurgery, 2011 

H index: 10, I10 Index: 12 Citations: 296

 Dr Mehmet Tonge has international and nationwide 32 publications, 12 book chapters, 92 oral and poster presentations and 41 invited lectures, mostly on Stereotactic and Functional Neurosurgery. 

Work & Training experience:

2004-2011: Gazi University, Department of Neurosurgery (Residency)

 2008: Zurich University Hospital, Department of Neurosurgery (Intraoperative MRI applications), Switzerland 

2008: Zurich University Hospital, Department of Neurosurgery: Microneurosurgery, white matter dissection, interventional neuroradiology courses, Switzerland 

2011 – 2012: Sinop Ataturk State Hospital, Neurosurgeon

 2012 – 2013: Cankiri State Hospital, Neurosurgeon 

2013 – 2014: Istanbul Medipol University, Department of Neurosurgery & Gamma Knife Center (Ass Prof) 

2013 – now: Maastricht University Neurosurgery & Neuroscience Department (Visiting scientist, PhDc) The Netherlands 

2014: Maastricht University, The Netherlands: Deep Brain Stimulation Fellowship 2014-2018: Istanbul Memorial Hospital Neurosurgery: Staff Neurosurgeon

 2016-2018: Istanbul Florence Nightingale Hospital (Consultant, Gamma Knife Center) 

2018-now: Istanbul Medipol University (Stereotactic & Functional Neurosurgery, Gamma Knife Center) Ass. Prof.) 

Dr Mehmet Tonge has completed 4-year cycle EANS (European Association of Neurosurgical Societies) Training courses. 

Clinical areas of interest:

 • Stereotactic & Functional Neurosurgery

 • Surgery for movement disorders

• * MR Guided Focused Ultrasound (MRgFUS)

 • Gamma Knife Radiosurgery 

• Surgery for pain & spasticity 

• Psychosurgery

Research areas of interest: 

• Deep brain stimulation

• * MR Guided Focused Ultrasound (MRgFUS)

 • Stereotactic radiosurgery 

Administrative duties:

 • Turkish Neurosurgical Society, Sterotactic & Functional Neurosurgery Section: Board member 2015- 2017 

• Turkish Neurosurgical Society, Sterotactic & Functional Neurosurgery Section: Board member (Secretary) 2017-2019

 • Turkish Skull Base Society: Board member 2016-2018

 • Turkish Skull Base Society: Supervisory board member 2018-2020

 • Deep Brain Stimulation and Movement Disorders Surgery Society: Executive Board Member, (Accountant) 2023-still 

Memberships: 

• WSSFN (World Stereotactic & Functional Neurosurgery Society) 

• ESSFN (European Stereotactic & Functional Neurosurgery Society)

 • Deep Brain Stimulation and Movement Disorders Surgery Society

 • Deep Brain Stimulation Society 

• International Stereotactic Radiosurgery Society 

• Leksell Gamma Knife Society 

• EANS (European Association of Neurosurgical Societies) 

• Turkish Neurosurgical Society

• Turkish Skull Base Society

Sample Publications: 

1. Tonge M. Technological developments in electric based DBS. Deep Brain Stimulation 2024 4(36-41) DOI: https://doi.org/10.1016/j.jdbs.2023.12.001 

2. Akgul E, Onan HB, Islek I, Tonge M, Durmus Y, Barburoglu M, Azizova A, Erol C, Hakyemez B, Sencer S, Aydin K, Arat A. Flow diverter stents in the treatment of recanalized intracranial aneurysms. Interv Neuroradiol. 2021 Aug;27(4):481-489. doi: 10.1177/1591019921990507. Epub 2021 Jan 28. PMID: 33509011; PMCID: PMC8580529. 

3. Mulders AEP, Temel Y, Tonge M, Schaper FLWVJ, van Kranen-Mastenbroek V,Ackermans L, Kubben P, Janssen MLF, Duits A. The association between surgical characteristics and cognitive decline following deep brain stimulation of the subthalamic nucleus in Parkinson's disease. Clin Neurol Neurosurg. 2021 Jan;200:106341. doi: 10.1016/j.clineuro.2020.106341. Epub 2020 Nov 3. PMID: 33160716. 

4. Wetzelaer P, Vlis T, Tonge M, Ackermans L, Kubben P, Evers S, Kocabicak E, Temel Y. Management of Hardware Related Infections after DBS Surgery: A Cost Analysis. Turk Neurosurg. 2018;28(6):929- 933. doi: 10.5137/1019-5149.JTN.21511-17.1. PMID: 29465741. 

5. Bedirli N, Emmez G, Ünal Y, Tönge M, Emmez H. Effects of positive end- expiratory pressure on intracranial pressure during pneumoperitoneum and Trendelenburg position in a porcine mode. Turk J Med Sci. 2017 Nov 13;47(5):1610-1615. doi: 10.3906/sag-1609-17. PMID: 29152942. 

6. Sari R, Tonge M, Bolukbasi FH, Onoz M, Baskan O, Silav G, Elmaci I. Management of Failed Cranioplasty. Turk Neurosurg. 2017;27(2):201-207. doi: 10.5137/1019-5149.JTN.15395-15.0. PMID: 27593759. 

7. Tonge M, Kocabicak E, Ackermans L, Kuijf M, Temel Y. Final Electrode Position in Subthalamic Nucleus Deep Brain Stimulation Surgery: A Comparison of Indirect and Direct Targeting Methods. Turk Neurosurg. 2016;26(6):900-903. doi: 10.5137/1019-5149.JTN.13739-14.1. PMID: 27337232. 

8. Tonge M, Ackermans L, Kocabicak E, van Kranen-Mastenbroek V, Kuijf M, Oosterloo M, Kubben P, Temel Y. A detailed analysis of intracerebral hemorrhages in DBS surgeries. Clin Neurol Neurosurg. 2015 Dec;139:183-7. doi: 10.1016/j.clineuro.2015.10.017. Epub 2015 Oct 23. PMID: 26513430. 

9. Silav G, Bölükbaşı FH, Özek E, Tönge M, Önöz M, Elmacı İ. A Simple Technique for Bone Storage after Decompressive Craniectomy in Children. Pediatr Neurosurg. 2015;50(3):161-4. doi: 10.1159/000381748. Epub 2015 May 14. PMID: 25998533. 

10. Yilmaz MB, Donmez H, Tonge M, Senol S, Tekiner A. Vertebrojugular arteriovenous fistula and pseudoaneurysm formation due to penetrating vertebral artery injury: case report and review of the literature. Turk Neurosurg. 2015;25(1):141-5. doi: 10.5137/1019-5149.JTN.8247-13.1. PMID: 25640560. 

11. Kurt G, Tönge M, Çeltıkçı E, Çapraz I, Serdaroğlu A, Bılır E. Surgery for intractable temporal lobe epilepsy: experience of a single institution. Turk J Med Sci. 2014;44(5):866-70. doi: 10.3906/sag-1307- 30. PMID: 25539559. 

12. Yılmaz MB, Tönge M, Emmez H, Kaymaz F, Kaymaz M. Neuroprotective effects of quetiapine on neuronal apoptosis following experimental transient focal cerebral ischemia in rats. J Korean Neurosurg Soc. 2013 Jul;54(1):1-7. doi: 10.3340/jkns.2013.54.1.1. Epub 2013 Jul 31. PMID: 24044072; PMCID: PMC3772279. 

13. Yilmaz MB, Egemen E, Tonge M, Kaymaz M. Transoral protrusion of a peritoneal catheter due to gastric perforation 10 years after a ventriculoperitoneal shunting: case report and review of the literature. Turk Neurosurg. 2013;23(2):285-8. doi: 10.5137/1019-5149.JTN.4904-11.1. PMID: 23546921. 

14. Omerhodzic I, Tonge M, Matos B, Musabeliu E, Raspanti C, Ferdinandov D, Galimova R, Muroi C, Balik V, Kursumovic A. Neurosurgical training programme in selected European countries: from the young neurosurgeons' point of view. Turk Neurosurg. 2012;22(3):286-93. doi: 10.5137/1019- 5149.JTN.5133-11.0. PMID: 22664994. 

15. Ergun E, Kurt G, Tonge M, Aytar H, Tas M, Baykaner K, Ceviker N. Effects of phenytoin sodium on dura mater healing in a rat model of CSF leakage. Turk Neurosurg. 2011;21(4):471-6. PMID: 22194102. 

16. Emmez H, Tonge M, Tokgoz N, Durdag E, Gonul I, Cevıker N. Radiological and histopathological comparison of microporous polysaccharide hemospheres and oxidized regenerated cellulose in the rabbit brain: a study of efficacy and safety. Turk Neurosurg. 2010 Oct;20(4):485-91. doi: 10.5137/1019- 5149.JTN.3300-10.2. PMID: 20963698. 

17. Emmez H, Yildirim Z, Kale A, Tönge M, Durdağ E, Börcek AO, Uçankuş LN, Doğulu F, Kiliç N, Baykaner MK. Anti-apoptotic and neuroprotective effects of α-lipoic acid on spinal cord ischemiareperfusion injury in rabbits. Acta Neurochir (Wien). 2010 Sep;152(9):1591-600; discussion 1600-1. doi: 10.1007/s00701-010-0703-9. Epub 2010 Jun 10. PMID: 20535507. 

18. Kurt G, Tonge M, Börcek AO, Karahacioglu E, Gurel O, Baykaner K, Ceviker N, Aykol S. Fractionated gamma knife radiosurgery for optic nerve tumors: a technical report. Turk Neurosurg. 2010 Apr;20(2):241-6. doi: 10.5137/1019-5149.JTN.1681-09.3. PMID: 20401852. 

19. Emmez H, Kale A, Tönge M, Cakir A, Ceviker N. Two meningiomas with different histological grades in the same patient. Case report. Neurol Med Chir (Tokyo). 2010;50(8):686-8. doi: 10.2176/nmc.50.686. PMID: 20805656.

Prof. Kopty is a highly qualified specialist in internal medicine, gastroenterology, endoscopy, hepatology, and various liver diseases, with expertise and practical experience in more than 28,000 diagnostic and therapeutic endoscopy specializations. He also has awards and publications in the fields of hepatology, hepatitis C and B, endoscopy, and best clinical endoscopy quality certificates.

Dr. Kemal Raşa is a highly experienced General Surgeon specializing in Modern Thyroidology & Laparoscopic Surgery with 23 years of experience. He is affiliated with several medical associations and has published several papers in his field.

Education and Expertise

1998 - 2005 - Marmara University Faculty of Medicine

1998 - 2005 - Marmara University, Faculty of Medicine, Department of Neurosurgery, Istanbul

(Head of the Department: Prof Dr Türker KILIÇ)

2011 - 2012 - Yale School of Medicine, New Haven, CT, USA (Director: Murat Günel MD. PhD., Professor of Neurosurgery)Cerebrovascular Research Fellowship

Professional Memberships

2014 + Turkish Neurosurgery Association

2017 + Turkish Spine Association

2018 + AOSpine

Awards

Turkish Neurosurgery Society 31st Scientific Congress “Prof. Dr. Hamit Ziya Gökalp Young Neurosurgeon Encouragement First Prize”, Antalya, 2017.

Courses and Certificates

1. Member of the Organizing Committee; 12. National Neuroscience Congress, Bahçeşehir University, 28-31 May 2014

2. Member of the Organizing Committee; 11. ASNO 'Skull-base Anatomy Course', 11-14 September 2014, Istanbul

3. Instructor / Member of the Organizing Committee; Neurosurgery Course Series – 4 /Prof. Dr. Evandro de Oliveira Skull Base Course 2, Prof. Rhoton Anatomy Lab BAU Faculty of Medicine, Istanbul, 2015.

4. Member of the Organizing Committee; International Deep Brain Stimulation Surgery Microelectrode Recording Cadaver Course, Rhoton Anatomy Lab BAU Faculty of Medicine, 6-7 February 2015 Istanbul.

5. Organization Officer; TND Istanbul Meetings, Istanbul

Arti Clinic holds an International Health Tourism Authorization Certificate, guaranteeing top-notch care for international patients. The multilingual team is proficient in English, French, Spanish, Arabic, Russian, and Turkish.

Alongside his clinical work, Dr. Alper Sismanoglu is also an Assistant Professor and Lecturer at the Medical Faculty of Istanbul Altınbaş University. He has over 20 publications in international and national journals. Dr. Sismanoglu is a sought-after expert frequently featured on Turkish TV shows and in various media outlets.

"Being a proud father of two amazing daughters, I deeply understand the importance of family. Throughout my medical career, my primary focus has been on assisting couples who long to have children. So, if you have any questions or concerns, don't hesitate to reach out to me. I'm more than happy to lend a helping hand!" says Dr. Alper.

MEMBERSHIPS

• European Society of Human Reproduction and Embryology (ESHRE)
• Reproductive Medical and Surgery Association of Turkey (UTD)
• Turkish Society of Obstetrics and Gynecology (TJOD)
• Turkish Association of Reproductive Health and In (TSRM)

SPECIALIZATIONS 

• treatment
• Obstetrics
• In and ctive endocrinology
• Gynecological endoscopy
• In surgery

Education:

• 2015: Certificate of Assisted Reproductive Technology Specialist, The Royal Thai College of Obstetricians and Gynecologists

• 2012: Certificate Assisted Reproductive Technique, CREST, National University Hospital, Singapore

• 2007: Thai board of Obstetricians and Gynecologists (Faculty of Medicine Vajira Hospital, Navamindradhiraj University), The Royal Thai college of Obstetricians and Gynecologists

• 2000: Doctor of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University
 

Work Experience:

• Medical Director : Prime Fertility Center

• OB GYN Bumrungrad Hospital (On duty for private case)

• Medical Director : Ovy Women’s Clinic (Abstain)

• A.R.T. Specialist : SAFE Fertility and PGD Center (Abstain)

• OB GYN Bangkok Hospital (Abstain)

• OB GYN Phyathai 2 Hospital (Abstain)

• OB GYN Phyathai Nawamin Hospital (Abstain)

• OB GYN Bangna 1 Hospital (Abstain)

Dr. Rosen is a specialized abdominal surgeon with expertise in endocrine, gastrointestinal, liver, colon, and appendectomy surgery. He is also experienced in treatments such as anal fissure, gallbladder, gastric anastomosis, and sleeve gastrectomy surgery. He is a member of various medical councils and serves as President of the European Society of Surgery. He is also a professor of surgery at the Vienna Medical School.

Assoc. Prof. Nuri Alper Şahbaz is an experienced doctor with medical education from Istanbul University, Cerrahpaşa Faculty of Medicine, and scientific and clinical experience from Baylor College of Medicine and The University of Texas Medical School. He is specialized in endocrine surgery (thyroid, parathyroid, adrenal gland and neuroendocrine tumors) and has performed over 2000 successful surgeries in this area. He also specializes in laparoscopic and minimally invasive surgeries, as well as in diagnostic and therapeutic gastrointestinal system endoscopy.

Dr. Pasichnyk is an experienced plastic surgeon who is a member of the All-Ukrainian Association of Reconstructive, Aesthetic and Plastic Surgeons. He is an expert in rhinoplasty, blepharoplasty, otoplasty, abdominoplasty, and mammoplasty and has worked in various hospitals across Ukraine. He holds a degree in general medicine from the Dnipropetrovsk State Medical Academy and has completed an internship in surgery.

Dr. X has 10 years of experience in Neurosurgery at Hacettepe University Faculty of Medicine, Diskapi Yildirim Beyazit Training and Research Hospital Neurology Clinic, Yozgat City Hospital, Private Lokman Hekim Akay Hospital, and Emsey Hospital.

Dr. X is a European Gynaecological Oncologist accredited by the European Society of Gynaecological Oncology (ESGO). He has a Faculty of Medicine Education from Istanbul University, Cerrahpaşa Faculty of Medicine, and also completed his Obstetrics and Gynecology Specialization Training from the University of Health Sciences, Süleymaniye Obstetrics and Gynecology Training and Research Hospital. He has also received additional training in Gynecological Oncology Surgery, Minimal Access Surgery and has had international observerships in Memorial Sloan Kettering Cancer Center, Leipzig School of Radical Pelvic Surgery, Catholic University of the Sacred Heart, Policlinico Agostino Gemelli IRCCS, Division of Gynecologic Oncology, and other training and research hospitals.