Dr Roberto Hernandez Pena is a neurosurgeon based in Mexicali, Baja California, Mexico. He works with fellow neurosurgeon Dr Nestor Rodriguez. Together, they perform 30 to 60 neurosurgeries each month.
Dr Hernandez Pena trained in the United States and Canada. He uses the latest technology in all surgical procedures.
Education and Expertise
GATA Military Medical Faculty
GATA Haydarpaşa Training Hospital Neurosurgery Clinic (Specialization)
Beykent University Hospital and Health Institutions Management (Master's)
Experience
GATA Military Medical Faculty Trainee Doctor (6 months)
Samsun Sahara Medical School Comm. (3 months)
Naval Command War Squadron TCG Diligence Medical Officer (2 years)
Dz.K.K. Submarine Battery Factory Infirmary Doctor (3 months)
Naval Forces Command Infirmary Doctor (3 months)
GATA Haydarpaşa Training Hospital Chief Assistant (12 years)
Kasımpaşa Marine Hospital Neurosurgery Clinic Chief (5 years)
Bahçelievler Medical Park Hospital Neurosurgery Specialist (11 years)
Altınbaş University Faculty of Medicine Neurosurgery Lecturer. Member (4 years)
Altınbaş University Faculty of Medicine Head of Neurosurgery Department. (3 years)
Basic and Advanced Cardiac life support courses (BASIC)
Basic and Advanced Cardiac life support courses (ADVANCED)
GATA Military Medical Faculty. Microsurgery Training Course
Istanbul Vatan Hospital Hand surgery microsurgery course
Neuroanatomy course
Spine Surgery course
Professional Memberships
Turkish Neurosurgery Association
Spine Society of Europe
Turkish Spinal and Peripheral Nerve Surgery Group
I was born in Adana in 1983. I graduated from Hacettepe University (ing) in 2007 and started to work as an orthopedic assistant at İzmir Atatürk Training and Research Hospital in 2008. I did my master's thesis on the rotator cuff healing of dicholefenac sodium. As a specialist in 2013, I started at Okmeydanı Training and Research Hospital and got my associate professorship there in 2018. In 2017, I worked as a Clinical fellow in the publication of Prof Dr Philip Lobenhoffer for Knee Circumferential Osteotomies, unicondylar and total knee arthroplasty in Germany (Go:h Sports Clinic/Hannover). I started working at Istinye University Hospital in 2019. I am married and have 2 children.
Research Areas: Knee surgery, Shoulder surgery, Ankle surgery, Artoplasty
Basic Areas: Orthopedics and Traumatology,
Awards
(2015), "Derviş Manizade Science Award", "Professional Associations", "Award received from domestic public institutions and organizations in the field", "Turkish Orthopedics and Traumatology Association", Science - Art Awards
(2017), "Tusyad Overseas Traveling Education Scholarship", "Professional Associations", "Award received from domestic public institutions and organizations in the field", "Turkish Sports Injuries Arthroscopy and Knee Surgery Association", Other
(2016), "Best Experimental Study Poster Award Winner", "Professional Associations", "Award from domestic public institutions and organizations", "Bone Joint Surgery Association", Other
(2015), "25th National Turkish Orthopedics and Traumatology Congress, first place in the poster category", "Professional Associations", "Award received from domestic public institutions and organizations in the field", "Turkish Association of Orthopedics and Traumatology Association", Work Award
Мен Варшава медициналық университетінің түлегі, нейрохирург-специалистпін. Кәсіби тәжірибемді Варшавадағы MSWiA ауруханасының нейрохирургия клиникасы, Варшава медициналық университетінің екінші медицина факультетінің нейрохирургия клиникасы, Польша ғылым академиясының эксперименттік және клиникалық медицина институтында алдым.
Мен омыртқа хирургиясын қоса алғанда, әртүрлі нейрохирургиялық операцияларды орындаймын. Сондай-ақ, көп жылдық академиялық дәріскер, бірнеше мақалалар мен конгресс презентацияларын тең авторымын. Эндоскопиялық омыртқа хирургиясы саласында ұлттық және халықаралық көптеген конгресстер мен тренингтерге қатыстым.
Ұйымдарға мүше болу
EUROSPINE – Еуропалық омыртқа хирургиясы қоғамы,
PTNCH – Польша нейрохирургиялық қоғамы,
PTCHK – Польша омыртқа хирургиясы қоғамы.
Dr Önul is FROM THE BEST DOCTORS in the field of Endoscopic skull base surgery and pituitary surgery Brain tumor surgery (Neuro Oncological surgery)
I was born in Artvin in 1977. He became a doctor from KTU Faculty of Medicine in 2001, and Bakırköy Prof. Dr. I became a Neurosurgery Specialist by getting the title of specialist from Mazhar Osman Mental Health and Neurological Diseases Training and Research Hospital. Again, in the same hospital, I was entitled to the title of associate professor in 2016. I continue to work at Başakşehir Çam and Sakura City Hospital, where I voluntarily joined with the task of establishing the Neurosurgery Clinic with my teammates. I am married and have 2 children. I love painting. I am very interested in children's literature. I have 10 printed children's tales
Professor Erol Akgül is an Interventional Neuroradiologist and a member of the World Federation of Interventional and Therapeutic Neuroradiology, Cardiovascular and Interventional Radiological Society of Europe, European Association of Radiology, Turkish Society of Radiology, Turkish Society of Cardiovascular and Interventional Radiology, Turkish Society of Neuroradiology, and Turkish Medical Association.
PROFESSIONAL EXPERIENCE
2013 – Prof. Pediatric Orthopedic Surgeon, Istanbul Florence Nightingale Hospital, Istanbul
2013 – Prof. Istanbul Bilim University Medical Faculty, Department of Orthopedics and Traumatology, Istanbul
2011 – Assoc.Prof. Pediatric Orthopedic Surgeon, Florence Nightingale Hospital, Istanbul
2010 - 2011 – Chief II. Orthopedics Clinic, Assoc.Prof. SB Goztepe Training and Research Hospital, Istanbul
2006 - 2009 – Vice-Chief II. Orthopedics Clinic, Assoc.Prof. SB Goztepe Training and Research Hospital, Istanbul
1992 - 2005 – Vice-Chief II. Orthopedics Clinic, SB Goztepe Training and Research Hospital, Istanbul
1984 - 1991 – Orthopedist, SB Rize Hospital, Rize
1983 - 1984 – Orthopedist, Medical Sub-Lieutenant Kayseri Airborne Brigade, Kayseri
2004 - 2008 – Coordinator, Pediatric Orthopedics-Orthopedic Trauma-Ilizarov Meetings, Istanbul Hospitals
2002 - 2004 – President, TOTBID Pediatric Orthopedics Branch
COURSES ATTENDED
1997 - 2014 – Trainer, Ilizarov Limb Lengthening Courses
2012 – International Pediatric Orthopedic Symposium, Orlando FL
2011 – Instructor, AO Pediatric Trauma Course, Izmir
1996 – Graf Hip Ultrasonography Course, Vienna
MEMBERSHIPS
Turkish Medical Association
Turkish Society of Orthopedics and Traumatology (TOTBID)
Turkish Orthopedics and Traumatology Society (TOTDER)
Turkish Educational Council of Orthopedics and Traumatology
TOTBID Pediatric Orthopedics Branch
Turkish ASAMI (Ilizarov Applications and Research Center) Founding Member
EPOS (European Pediatric Orthopedics Society)
AAOS (American Academy of Orthopedic Surgeons
AWARDS
1) 2008. Chondroprotective effect of salicylate and chloroquine in pyogenic septic arthritis. SSK Göztepe Training and
Research Hospital Scientific Journal Competition First Place Award.
2) 2007. Modified Salter osteotomy for the treatment of developmental dysplasia of the hip:Description of a new
technique that eliminated the use of pins for internal fixation. TOTBİD Pediatric Orthopedics Branch Journal
Competition First Place Award
3) 2007. Modified Salter osteotomy for the treatment of developmental dysplasia of the hip:Description of a new
technique that eliminated the use of pins for internal fixation. SSK Göztepe Training and Research Hospital Scientific
Journal Competition Second Place Award.
4) 2005. Incomplete triple pelvic osteotomy for the surgical treatment of dysplasia of the hip in adolescents and
adults. TOTBİD Pediatric Orthopedics Branch Journal Competition Second Place Award
5) 2005. Incomplete triple pelvic osteotomy for the surgical treatment of dysplasia of the hip in adolescents and
adults. SSK Göztepe Training and Research Hospital Scientific Journal Competition First Place Award
6) 2004. A new capsuloplasty technique in DDH treatment. SSK Göztepe Training and Research Hospital Scientific
Journal Competition First Place Award
Prof. Dr. Yasef began his medical education at Istanbul University in 1973 and graduated from Istanbul University Cerrahpaşa Faculty of Medicine in 1979. He started his specialization in neurology at the same university in 1980 and became a neurologist in 1985. During his specialty training, he spent 6 months at Hacettepe University in the Neurology Department in Ankara.
After becoming a neurologist, he completed 3.5 years of obligatory government service, spending the first 1.5 years at the Iskenderun Navy Hospital and the next 2 years at Diyarbakır Social Security Hospital. He returned to Istanbul University in 1989.
Prof. Dr. Yasef worked abroad in the United States from 1990 - 1991, focusing on dementia and behavioral neurology.
In 1994, he became an Associate Professor and continued working at Istanbul University until 1999. Between 1999 - 2002, he worked at Florence Nightingale Hospital, and then at Kozyatağı Acıbadem Hospital from 2004 to 2013.
Since 2013, he has been a valuable part of the team at Florence Nightingale Hospital.
Specialties
Work Experience
2005 – M.D., Istanbul University, Istanbul Faculty of Medicine
2010 – Internal Medicine Specialization, Haseki Training and Research Hospital
2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine
Assistant Professor, Istanbul Florence Nightingale Hospital
Assistant Professor, Istanbul Bilim University Faculty of Medicine
Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine
Head of Department, Giresun University Faculty of Medicine
Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:
Gastrointestinal bleeding management in anticoagulant users
Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites
Liver transplantation complications, including graft-versus-host disease
The role of (pro)hepcidin in IBD-related anemia
Endoscopic interventions for acute GI bleeding
Covid-19 treatment agents and their GI implications in Turkey
(Full publication list available upon request)
Gastrointestinal bleeding & endoscopic procedures
Hepatology & liver disease management
Inflammatory bowel diseases (IBD)
Complex GI case diagnostics
Post-transplant GI complications
Diabetic GI and cardiovascular comorbidities
Pediatrician, Pediatric Gastroenterology and Nutrition Specialist
Education
Yeditepe University School of Medicine
Professor of Pediatrics (Chair of the Department)
2004 - 2007
Dokuz Eylül University School of Medicine
Pediatric Gastroenterology Sub-specialty
1995 – 1998
Hacettepe University School of Medicine
Pediatrics Instructor
1985 - 1987
Professional Experience
Ataşehir Florence Nightingale Hospital
Pediatrician, Pediatric Gastroenterology
2017 – Present
Kadıköy Şifa Ataşehir Hospital
Pediatric Gastroenterology and Nutrition
2013 – 2017
Dokuz Eylül University School of Medicine
Professor of Pediatrics
1994 – 2004
Publications
Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic
bacterial agents. Turk J Pediatr. 1987. Link
Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of
recurrent diarrhoea. J Trop Pediatrics. 1990. Link
Languages
Turkish: Native
English: Advanced
Specialty:
Anesthesia and Algology
Hospital Affiliation:
Gayrettepe Florence Nightingale Hospital
Research Interests:
Pain Management
Anesthesia
Education & Training:
2022 – Associate Professor
2018 – Certified Interventional Pain Sonologist
2017 – Fellow of Interventional Pain Practice
1996 – Istanbul University, Cerrahpaşa Faculty of Medicine
Specialization in Anesthesia and Reanimation
1991 – Istanbul University, Cerrahpaşa Faculty of Medicine
Medical Degree
Professional Memberships:
World Academy of Pain Medicine United (WAPMU)
World Institute of Pain
Turkish Anesthesiology and Reanimation Association
Thesis:
1. Mentese ST, Colak O, Gunenc YE, Tufekci K, Eren OC, Bozkurt SU. The Effect of Hyperelastic Bone Produced with Three Dimensional Bioprinter in Heterotopic Bone Formation.
Peer Reviewed Abstracts
1. Kuru P, Bilgin S, Mentese ST, Tazegul G, Ozgur S, Cilingir OT, Akakin D, Yarat A, Kasimay O. Ameliorative Effect of Chronic Moderate Exercise in Smoke Exposed or Nicotine Applied Rats From Acute Stress Nicotine Tob Res. 2014 Sep 19. pii: ntu182. (As Senior Medical Student)
2. Özdemir ZN, Tazegül G, Kuru P, Bilgin S, Menteşe ST, Erzik C, Şirvancı S, Yeğen B. Nicotine alleviates colitis-induced damage in rats via its anti-oxidative activity. Marmara Medical Journal 2014; 27: 13-20 DOI: 10.5472/MMJ.2013.03125.1 (As Senior Medical Student)
3. Özay Özkaya Mutlu, Mert Canlı, Semih Tiber Menteşe, Ahmet Dilber; Retrospective Comperative Analysis of Preoperative Lymph Node Imaging and Pathological Results in Malignant Melanoma Patients, October Antalya 2017
Peer Reviewed Posters
1. Özlem Çolak, Semih Tiber Menteşe, Özay Özkaya, Deniz Özcan; Case Report: Differentiation of Intraoral lesions, Squamous Cell Carcinoma or Pseudoepitheliamatous Hyperplasia, October 2016, Antalya, Turkey.
2. Özay Özkaya, Semih Tiber Menteşe, Özlem Çolak, İlker Üsçetin; The Effect of Staging on Survey in Malignant Melanoma, October 2016, Antalya, Turkey.
3. Özay Özkaya Mutlu, Semih Tiber Menteşe, Ahmet Dilber, Özlem Çolak; Case Report: Free Adductor Magnus Flap Reconstruction of Calcanel Defect, October 2017, Antalya, Turkey.
4. Özlem Çolak, Özay Özkaya Mutlu, Kadri Özer, S. Tiber Menteşe; Multifunctional Use of Elongated Temporoparietal Fascia Flap in Periorbital Reconstruction, October 2018, Antalya, Turkey.
5. Ayberk Akçay, Özlem Çolak, Semih Tiber Menteşe; Case Report: Superior Epigastric Artery Perforator Propellar Flap Reconstruction of Anterior Chest Wall Defect, October 2018, Antalya, Turkey.
6. Batıbey Batmacı, Harun Erbek, Semih Tiber Menteşe, Türkay Gökeri, İlker Üsçetin, Ayşin Karasoy Yeşilada; Malign Hand Tumors in the Last Five Years In Our Clinic, September 2019, Samsun, Turkey.
7. Semih Tiber Menteşe, Harun Erbek, Özlem İmren, Mert Canlı, İlker Üsçetin, Ayşin Karasoy Yeşilada; Regional Fasciectomy Treatment Results of Dupuytren’s Contracture Patients, September 2019, Samsun, Turkey.
8. Semih Tiber Menteşe, Harun Erbek, Türkay Gökeri, Özlem İmren, Mert Canlı, Ayşin Karasoy Yeşilada; The Comparison of Results of Late Term Primarily Fixed and Hunter Prosthesis Used Flexor Digitorum Profundus Injuries, September 2019, Samsun, Turkey.
9. Semih Tiber Menteşe, Özlem Çolak, Mert Canlı, İlker Üsçetin, Ayşin Karasoy Yeşilada; Extensor Indicis Proprius Transfer Supplied with Ruptured Extensor Pollicis Longus (EPL) Proximal Portion in a Patient with Recurrent EPL Rupture, September 2019, Samsun, Turkey.
10. Özlem Çolak, Mahir Gökbulut, Selman Taşkın, Tuğçe Yasak Par, Semih Tiber Menteşe, İlker Üsçetin; Lesions Prediagnosed as Vascular Tumors; September 2020, İstanbul, Turkey.
11. Özlem Çolak, Tuğçe Yasak Par, Emre Gunenc, Selman Taşkın, Semih Tiber Menteşe, İlker Üsçetin; Flap Reconstruction of Periorbital Area Zone 2 Tumor Excision Defects, September 2020, İstanbul, Turkey.
12. Özlem Çolak, Emre Gunenc, Selman Taşkın, Tuğçe Yasak Par, Semih Tiber Menteşe, İlker Üsçetin; Thoracal Wall Reconstruction in a Male Patient with Poland Syndrome, September 2020, İstanbul, Turkey.
13. Özlem Çolak, Burak Yılmaz, Semih Tiber Menteşe, Tuğçe Yasak, İlker Üsçetin; A Rare Skin Malignancy: Sebaceous Carcinoma, November 2021, Antalya, Turkey.
Oral Presentation:
1. The Effect of Apelin on Indomethacin Induced Gastric Ulcer, World Gastroenterology Subregional Meeting, November 2011, Antalya, Turkey. (As Senior Medical Student)
2. Özlem Çolak, Semih Tiber Menteşe, Özay Özkaya Mutlu, İlker Üsçetin; Case Report: 4 Different Merkel Cell Carcinoma, October 2018, Antalya, Turkey.
3. Özlem Çolak, Semih Tiber Menteşe, İlker Üsçetin, Özay Özkaya Mutlu; Our Clinical Experience, Retrospective Analysis of Gynecomastia Patients, October 2018, Antalya, Turkey.
4. Semih Tiber Menteşe, Akif Ayberk Akçay, İlker Üsçetin, Harun Erbek, Ayşin Karasoy Yeşilada; Our Approach to Congenital Hand Anomalies Between 2015-2019 Time Periods in Our Clinic, April 2019, İstanbul, Turkey.
5. Semih Tiber Menteşe, Mert Canlı, Özlem Çolak, Batıbey Batmacı, Ayşin Karasoy Yeşilada; Results of Repair Through Nerve Graft in Our Clinic in 2015-2019 Time Periods, April 2019, İstanbul, Turkey.
6. Semih Tiber Menteşe, Mert Canlı, Özlem Çolak, Harun Erbek, Ayşin Karasoy Yeşilada; The Evaluation of Long Term Results of Mallet Finger Cases Operated 2015-2019 Periods in Our Clinic, April 2019, İstanbul, Turkey.
7. Akif Ayberk Akçay, Semih Tiber Menteşe, Ayşin Karasoy Yeşilada, Özlem Çolak; The Evulation of Biomechanical and Histologic Aspects the Effect of Direct Thrombin inhibitors on Tendon Healing, September 2019, Samsun, Turkey.
8. Özlem Çolak, Harun Erbek, Tuğçe Yasak Par, Selman Taşkın, Mert Canlı, Semih Tiber Menteşe, İlker Üsçetin; Comparison of Fat Pad Transposition and Fat Graft Application After Fat Pad Resection in Transconjunctival Lower Eyelid Blepharoplasty, September 2020, İstanbul, Turkey
9. Özlem Çolak, Zeynep Öykü Gürel, Semih Tiber Menteşe, İlker Üsçetin, Mahir Gökbulut; Versatile Use of Thoracodorsal Artery Perforator Flap in Axillary Reconstruction, November 2021, Antalya, Turkey.
10. Türkay Gökeri, Tiber Menteşe, Özlem Çolak, Günay Güldoğuş, Tuğçe Yasak Par; Effects of Covid-19 Pandemics on Emergency Plastic Surgery Patiens Admission, November 2021, Antalya, Turkey.
11. Özlem Çolak, Tuğçe Yasak Par, Semih Tiber Menteşe, Zeynep Öykü Gürel, İlker Üsçetin, Mahir Gökbulut ; Retrospective Analysis of Fourniere’s Gangrene Reconstruction Patients Operated From 2010 to 2021, November 2021, Antalya, Turkey.
12. Özlem Çolak, Semih Tiber Menteşe, Günay Güldoğuş, Tuğçe Yasak Par; Foot Defect Reconstruction with a Superficial Circumflex İliac Artery Flap Including a Bony Component, November 2021, Antalya, Turkey.
13. Özlem Çolak, Semih Tiber Menteşe, Günay Güldoğuş, Ayça Ergan Şahin; Reconstruction of Wrist Dorsum with a Very Thin Flap: Superficial Circumflex İliac Artery Perforator Flap, November 2021, Antalya, Turkey.
14. Semih Tiber Menteşe, Özlem Çolak, Caner Ali İlhan, Tuğçe Yasak Par, İlker Üsçetin; An Effective Solution for Wide Abdominal Wall Defect: Free Latissimus Dorsi Flap, November 2021, Antalya, Turkey.
15. Özlem Çolak, Semih Tiber Menteşe, Caner Ali İlhan, Ayça Ergan Şahin; An Early and Higher Function Providing Reconstruction Option in Phalangeal Bony Defects, November 2021, Antalya, Turkey.
Experiences:
1. Cardiovascular Surgery Clinic, Cardiology Hospital C. I. Parhon Iaşi/ROMANIA 2010 (IFMSA Medical Student Exchange Program)
2. Gastroenterology Clinic, Hospital Clínico Universitario Lozano Blesa Zaragoza/SPAIN 2011 (IFMSA Medical Student Exchange Program)
3. Obstetrics and Gynecology Clinic, Plastic and Reconstructive Surgery Clinic, General Surgery Clinic, Sapienza University of Rome, Rome/ITALY 2012 (ERASMUS Student Exchange Program)
4. Cardiology Clinic, Herlev Hospital, Copenhagen/DENMARK 2012 (IFMSA Medical Student Exchange Program)
5. General Surgery Clinic, Hippokration General Hospital, Athens/GREECE 2012 (Observership As Medical Student)
Courses:
1. National XXXI. Basic Microsurgery Course, June 2018, Marmara University Medical Faculty, İstanbul.
2. XXVIII. Laboratory Animal Science for Researchers Course, September 2019, YUDETAM, Yeditepe University Experimental Research Center
SPECIAL PROCEDURES:
PUBLICATIONS:
Memberships
Hungarian Society of Neurosurgery
Awards, recognitions
In 1981, he was awarded an honorary professorship in Japan, an Outstanding Doctor award, and was featured in the Video Portrait Hall of Outstanding Persons.
International experience
Study trips to many European countries and Japan, giving more than 100 lectures at national and international congresses
Pediatric Hematology and Oncology