Beste die präpektorale Brustrekonstruktion Chirurgen in der Türkei - TOP -16 Ärzte

Spezialisierungen

Brustästhetik

Bauchdeckenstraffung

Genitalästhetik

Augenlidästhetik

Gynäkomastie-Korrektur

Nasenkorrektur

Ästhetik abstehender Ohren

Botox-Anwendungen

Füllanwendungen

Postbariatrischer Chirurg

,

Hi, I am Serkan Sabancı. I was born in Adana and graduated from Adana Baraj High School in 1997. In the same year, I entered Çukurova Medical Faculty and started my university education. During my medical education, due to my interest in surgical branches, I spent most of my time outside of classes in the operating room of the faculty. After my medical education, I did my compulsory service in the emergency department. Although I loved saving the lives of hundreds of patients in the emergency unit and the emergency intervention and dynamism of this unit, after completing my compulsory service due to my interest in plastic surgery, I took the specialty exam and was accepted to the Department of Plastic Reconstructive and Aesthetic Surgery at Çukurova University Faculty of Medicine.
In the first years of my specialist training, I attended many courses and events due to my interest in hair transplantation. In the second year of my assistantship as Serkan Sabancı, I developed my own hair transplantation technique with the vibrating Micromotor I produced and performed eyebrow and beard transplants on many patients with burnt faces, and I had the opportunity to share this technique with many of my colleagues in live surgery courses organized by the Plastic Surgery Association. During my specialty training, Çukurova University Faculty of Medicine was a regional hospital and I performed both reconstruction and aesthetic surgery operations intensively.

As Serkan Sabancı, after my specialty training, I did my compulsory service at Bilecik State Hospital, where I focused on plastic surgeries during my 2-year service period. After completing my compulsory service, I started working as a private physician in Istanbul. I am currently accepting patients in my private practice in Üsküdar, Istanbul.

Surgeon Ekrem Keskin was born in 1986 in Istanbul. He completed his education at Istanbul University Cerrahpaşa Faculty of Medicine in 2010, and was awarded the title of Medical Doctor. During his residency training he was instructed in nose, facial and breast aesthetics under the supervision of James Zins, MD and Raffi Gurunluoglu, MD, at Cleveland Clinic Plastic and Reconstructive and Aesthetic Surgery Department, Cleveland, OHIO-USA in 2016. After 5 years of Plastic, Reconstructive and Aesthetic Surgery training, he completed his specialization and became a Plastic and Aesthetic Surgery Specialist.

As a dedicated Plastic Reconstructive and Aesthetic Surgeon based in Istanbul, Turkey, I bring a strong foundation of experience and a profound commitment to enhancing both form and function to every patient I serve. My journey in the field has been marked by comprehensive training in Marmara University Plastic Surgery Department, one of Turkey's premier centers for breast and facial plastic surgery, where I've had the privilege of specializing in several transformative areas of surgical expertise.

Facial Rejuvenation Surgery: With a profound understanding of facial aesthetics, I am dedicated to helping patients achieve a youthful, refreshed appearance while also providing reconstructive solutions for those facing unique challenges.

Orthognathic Surgery: My extensive training in orthognathic surgery equips me with the skills to harmonize facial structures and restore optimal function, addressing issues related to jaw alignment and facial symmetry with precision and care.

Facial Plastic Reconstructive and Aesthetic Surgery: My specialization extends to a wide range of facial procedures, including:

Deep Plane Facelift Surgery: Delivering natural, long-lasting results with cutting edge surgical technique on facial rejuvenation.
Neck Reshaping Surgeries: Crafting elegant and youthful neck contours.
Endoscopic Facial Surgeries: Minimally invasive techniques for maximum impact.

Periorbital Rejuvenation and Blepharoplasties: Illuminating the windows to the soul.
Facial Bone Contouring: Sculpting facial aesthetics with precision.
Frontal Shaping for Facial Gender Reassignment: Empowering individuals on transformative journeys. Revisional Facial Surgeries: Perfecting previous procedures to achieve excellence.
Facial Paralysis Reconstruction with Tendon and Muscle Transfers: Restoring both function and aesthetics. Scar Revisions and Burn Scarifications: Erasing the marks of the past.
Stem Cell Treatments: Harnessing the latest regenerative therapies.
Skin and Intraoral Tumor Ablation with Reconstructions: Uniting oncological care with aesthetic mastery. Jaw Enhancements and Genioplasties: Balancing and harmonizing facial profiles.
Double Jaw/Bimax Surgeries: Achieving facial symmetry and optimal function.
Rhinoplasties and Nose Reconstructions: Perfecting nasal aesthetics with artistry.

Breast Aesthetics and Reconstruction: Having trained at one of Turkey's leading centers for breast surgeries, I am well- versed in the art of breast aesthetics and reconstruction, ensuring that patients regain both their confidence and their sense of self.

At the core of my practice is a dedication to individualized care. I believe that every patient is unique, and their needs and aspirations deserve tailored attention. My mission is to provide compassionate, patient-centered care that goes beyond routine procedures, ensuring that each individual receives the personalized treatment they deserve.

As I continue to push the boundaries of plastic and aesthetic surgery, my focus remains on achieving excellence in both form and function, all while prioritizing the unique needs of every patient under my care.

Name and Surname: Ismail BARUT

Date of Birth: January 01, 1984

English German, English Foreign Language: German

Educational Status:

Degree Department/Program School/University Year

Elementary School Üçgüllük Elementary School 1990-1996

Elementary Secondary School Iskenderun Five July Secondary School 1996-1998

Secondary Education High School Iskenderun Foreign Language is Mainly

High School

1998-2002

Undergraduate Faculty of Medicine Ege University Faculty of Medicine / Izmir 12/09/2002-

29/06/2008

PhD General Surgery Istanbul University Cerrahpaşa Medicine

Faculty of Economics/Istanbul

19/01/2009-

20/03/2009

PhD in Plastic, Reconstructive and

Aesthetic Surgery

Gazi University Medicine

Faculty/Ankara

12/11/2009-

28/05/2016

Side Branch

Education

Hand Surgery Istanbul Hamidiye Etfal Education and

Research Hospital/Istanbul

18/06/2020-

13/09/2021

Special

Office

Plastic,Reconstructive and

Aesthetic Surgery

Nişantaşı/Şişli/Istanbul 01.06.2022-

Continue

it does

TASKS:

Title of the Task Place of the Task Year

General Practitioner Akkuş Kızılelma Medical Center /Ordu January 23, 09, 2008-

15/01/2009

Research Assistant Istanbul University Cerrahpaşa Faculty of Medicine General

Department of Surgery

19/01/2009-

20/03/2009

Research Assistant Gazi University Faculty of Medicine Plastic, Reconstructive and

Department of Aesthetic Surgery

12/11/2009-

28/05/2016

Specialist Physician Ministry of Health University Van Education and Research

The Hospital

13/06/2016-

30/09/2017

Specialist Physician Burdur State Hospital 01/08/2018-

29/03/2019

Specialist Physician Ministry of Health University Van Education and Research

The Hospital

11/04/2019-

15/06/2020

Department Assistant Istanbul Hamidiye Etfal Training and Research Hospital 18/06/2020-

13/09/2021

Private Practice Plastic,Reconstructive and Aesthetic Surgery 01.06.2022-

Continues

works:

A. Papers Presented at National Scientific Meetings and Published in the Proceedings Books

A1. Sezgin B., Şencan A., Private B., Gunpowder I., Shibar S., Sarybaeva A., Ozmen S.

Neoderm in full-fold scalp defect accompanied by cranial bone defects

usage: A kenservative approach in a complicated Adams-Oliver syndrome. 33. National Turkish

Plastic Reconstructive and Aesthetic Surgery Congress, Izmir, Turkey, September 14-18, 2011

A2. Sezgin B., Fındıkçıoğlu K.,Shibar Sh., Gunpowder I., Ayhan S., Latifoglu O .

Breast reduction in our clinic: A retrospective cross-sectional view. 33. National Turkish Plastics

Reconstructive and Aesthetic Surgery Congress, Izmir, Turkey, September 14-18, 2011

A3. South K., Bulam H., Hürkal D., Gunpowder I., Shibar S., Tuncer S.

Case Report: Purpura Fulminans. 34. National Turkish Plastic Reconstructive and Aesthetic Surgery

Kurultai,Rixos Sungate Hotel, Antalya,Turkey

B. Articles Published in International Refereed Journals:

B1. Technical Aspects and Difficulties in the Management of Head and Neck Cutaneous

Malignancies in Xeroderma Pigmentosum.Sibar S, Findikcioglu K, Erdal AI, Barut I, Ozmen S.Arch

Plastic Surgery . 2016 Jul;43(4):344-51. doi: 10.5999/aps.2016.43.4.344. Epub 2016 Jul 20.

B2. A new option for the reconstruction of orbital floor defects with heterologous cortical

bone.Ozel B, Findikcioglu K, Sezgin B, Guney K, Barut I, Ozmen S.J Craniomaxillofacial Surgery. 2015

Oct;43(8):1583-8. doi: 10.1016/j.jcms.2015.06.029. Epub 2015 Jul 4

B3. A recipient vessel modification in vaginal reconstruction with free jejunal flap.Ozmen S,

Sencan A, Sezgin B, Barut I, Yuksel O.Microsurgery. 2013 Sep;33(6):503-4. doi:

10.1002/micr.22121. Epub 2013 Jul 9.

C. National Courses and Congresses Attended by:

C1. V. Rhinoplasty Course Ankara / Turkey, May 10-12, 2012

C2. TRECD 34. October November 31st-November 4th, 2012 National Congress Antalya / Turkey

C3. XII. Experimental Animal Practice and Ethics Course Ankara / Turkey10-20 December 2012

C4. Prof. Dr. Ridvan EGE Basic Hand Surgery Course 8 Ankara / Turkey 27-28 September 2013

C5. 18. Basic Microsurgery Course Istanbul / Turkey November 19-23, 2013

C6. Turkish Plastic Reconstructive and Aesthetic Surgery Association 36. National Congress Istanbul / Turkey 29

October November 1, 2014

C7. Turkish Plastic Reconstructive and Aesthetic Surgery Association 37. National Congress Ankara / Turkey 4-7

November 2015

C8. Turkish Plastic Reconstructive and Aesthetic Surgery Association 37. National Congress of Post-Bariatric

Surgical Course Ankara / Turkey 4-7

November 2015

C9.Basic training of communication skills in medicine. February 24-25, 2016.Gazi university/Ankara

C10. Turkish Plastic Reconstructive and Aesthetic Surgery Association Aesthetic Breast Surgery Course.12-14

July 2019.Van/Turkey

D. International Courses and Congresses Attended by Dec

D1. EPSRC 5th European Plastic Surgery Research Council Hamburg / Germany 22-25August 2013

E. CERTIFICATE OF APPRECIATION

E1. Performed at Gazi University Faculty of Medicine Hospital on March 17, 2012

I was in the third ‘ Face Transplant Operation’ of our country.

PLASTIC, RECONSTRUCTIVE AND AESTHETIC SURGERY

EDUCATION

Undergraduate                                                          .

Faculty of MedicineEge University Faculty of Medicine/Izmir

2002-2008

Ph.D.

General Surgery Istanbul University Cerrahpasa Medicine Faculty Istanbul 2008

PhD Plastic,

Reconstructive and Plastic surgery Gazi University Medicine Faculty/Ankara 2009-2016

Minor Brancheducation

Hand Surgery Istanbul Hamidiye Etfal Training and Research Hospital/Istanbul

07/2020- continue doing

WORK EXPERIENCE

General Practitioner Akku K1z1lelma HealthCenter/Ordu 2008-2009

Research Assistant Istanbul University Cerrahpa a Faculty of Medicine, Department of General Surgery 2009

Research Assistant Gazi University Facultyof Medicine Del)artment of Plastic, Reconstructive and Aesthetic Surgery 2009-2016

Specialist Physician Ministryof Health University Van Training and Research Hospital 2016-2017 A

Specialist Burdur State Hospital2018-2019

Specialist Physician Ministryof Health University Van Training and Research Hospital 2019-2020

Minor Assistant Istanbul Hamidiye Etfal Training and Research HOSP.ital 2020-

continues

with Dream international 

• Expertise and Experience: The best plastic surgeon in Turkey are highly skilled and experienced, with a wealth of knowledge and expertise in his field. he has trained extensively in the latest techniques and technologies, ensuring he can provide the most effective and safe treatments to his patients.
• Board-Certification: Many of the best plastic surgeons in Turkey are board-certified, meaning they have undergone rigorous training and testing to demonstrate their expertise in his field. This provides peace of mind for patients, knowing they are in the hands of a qualified and competent surgeon.
• Patient-Centered Care: The best plastic surgeon in Turkey prioritize his patients' needs and concerns, providing personalized care to ensure each individual achieves their desired outcome. They listen carefully to their patients and take the time to explain procedures, risks, and benefits, ensuring patients are fully informed and comfortable throughout the process.
• Natural-Looking Results: Top-rated plastic surgeon in Turkey are renowned for creating natural-looking results that enhance his patients' features rather than altering them drastically. he takes great care to ensure the outcome is in harmony with the patient's overall appearance, ensuring they feel confident and satisfied with the result.
• Advanced Technology and Techniques: Many of the best plastic surgeons in Turkey use advanced technology and techniques to provide the most effective and safe treatments. This includes minimally invasive procedures, 3D imaging, and state-of-the-art surgical equipment, ensuring patients receive the highest quality care.
• Cost-Effective: Cosmetic procedures in Turkey are often more affordable than in other countries, without compromising on quality. Choosing a top-rated plastic surgeon in Turkey can provide significant cost savings, making it an attractive option for those seeking cosmetic treatments.
• Tourist-Friendly: Turkey is a popular tourist destination, known for its stunning landscapes, rich culture, and welcoming people. Many of the best plastic surgeons in Turkey cater to international patients, providing a welcoming and accommodating environment for those traveling from abroad.

In conclusion, choosing the best plastic surgeon in Turkey can provide numerous benefits for those seeking cosmetic procedures. With their expertise, patient-centered care, and commitment to natural-looking results, top-rated plastic surgeons in Turkey are a popular and attractive choice for those seeking to enhance their appearance.

Estetik Cerrahi: Deneyimli cerrahlarımızla, güncel teknikleri kullanarak estetik cerrahi hizmetleri sunuyoruz. Her bireyin ihtiyacına özel çözümler üreterek, doğal ve estetik sonuçlar elde etmeyi amaçlıyoruz.

Saç, Sakal ve Kaş Ekimi: Saç dökülmesi, seyrek sakal ya da kaş problemleriyle mücadele edenlere özel çözümler sunuyoruz. Uzman ekibimiz, kişinin yüz hatlarına uygun doğal sonuçlar elde etmeyi hedefler.

Dolgu Uygulamaları: Yüz gençleştirme ve kontürleme amacıyla kullanılan dolgu uygulamalarını, uzman estetik cerrahlarımız ile güvenli bir şekilde gerçekleştiriyoruz. Doğallığı ön planda tutan yaklaşımımızla, müşterilerimize istedikleri görünüme kavuşmalarında yardımcı oluyoruz.

Dr. Orhan Aydın
Specialist in Plastic, Reconstructive, and Aesthetic Surgery

Professional Summary

A highly accomplished Plastic, Reconstructive, and Aesthetic Surgeon with 16 years of clinical experience. Over 3,000 rhinoplasty procedures and more than 15,000 aesthetic surgeries have been performed, demonstrating exceptional expertise in facial rejuvenation, body contouring, breast surgeries, and advanced reconstructive techniques. Skilled in both surgical and non-surgical procedures, with a strong commitment to patient care, innovation, and precision in achieving outstanding results.

Education

• Doctor of Medicine (MD) – Celal Bayar University, School of Medicine
• Residency in Plastic, Reconstructive, and Aesthetic Surgery – Pamukkale University, School of Medicine

Professional Experience

Plastic, Reconstructive, and Aesthetic Surgeon

Pamukkale University Training and Research Hospital (2009 – 2014)

• Gained expertise in complex reconstructive surgeries, including hand and maxillofacial procedures.
• Actively involved in academic training programs for medical residents.

Sanlıurfa Mehmet Akif İnan Training and Research Hospital (2014 – 2016)

• Conducted a high volume of rhinoplasty and breast surgeries, establishing a reputation for meticulous attention to detail.

Ankara Dr. A. Yurtaslan Oncology Training and Research Hospital (2016 – 2018)

• Specialized in reconstructive surgeries for oncology patients, including breast reconstruction and skin cancer surgeries.

Private Clinic, Ankara (2018 – Present)

• Successfully performed thousands of aesthetic and reconstructive surgeries, focusing on patient satisfaction and innovative surgical techniques.
• Expanded practice to include non-surgical treatments such as fillers, Botox, and laser therapies.

Areas of Expertise

• Rhinoplasty (Nasal Surgery)
• Breast Surgeries: Augmentation, Reduction, Lifting
• Facial Rejuvenation: Facelift, Neck Lift, Eyelid Surgery
• Body Contouring: Liposuction, Tummy Tuck, BBL
• Reconstructive Surgeries: Hand Surgery, Breast Reconstruction, Skin Cancer Treatments
• Non-Surgical Procedures: Botox, Fillers, Laser Therapies
• Burn and Scar Management

Certifications & Courses

• Preservation Rhinoplasty Certification – Preservation Rhinoplasty Course, 2018
• Closed Atraumatic Rhinoplasty Certification – 2019
• International Health Tourism Certification – Ministry of Health, 2022

Publications

• "A Rare Case of Endochondral Pseudocyst of the Auricle" – Aesthetic Plastic Surgery Journal, 2016
• "Effects of Tamoxifen on Survival of Cutaneous and Myocutaneous Flaps" – European Review of Medical and Pharmacological Sciences, 2014
• "Intramuscular Myxoma: Clinical and Surgical Observations" – Published with Pamukkale University Research Team

Languages

• English: Fluent
• Turkish: Native

Contact Information

Dr. Orhan Aydın
Maidan Work Center, C/55, Ankara, Turkey
Website: www.drorhanaydin.com
Instagram: @drorhanaydin

As a Plastic, Reconstructive and Aesthetic Surgeon, Associate Professor Dr Sevgi Kurt started her medical education at Istanbul University Medical Faculty in 2000. After graduation in 2006, she got a degree in the MEdical Specialization Examination and started her training in the Department of Plastic, Reconstructive and Aesthetic Surgery at Istanbul University Medical Faculty and was entitled to receive the title of Plastic, Reconstructive and Aesthetic Surgery Specialist in 2012.

During her education, she did microsurgery fellowship with Fu Chan Wei and Hung Chi Chen in Taiwan in 2012, and did breast reconstruction fellowship with Moustapha Hamdi in Belgium in 2014.

In 2014, she successfully passed the EBOPRAS (European Plastic Surgery Board Exam) written and oral exams and received the European Board certificate.

After completing her specialization training, she worked at Istanbul Training and Research Hospital and received the title of ‘Associate Professor’ in 2019.

She has scientific studies published in national and international journals and presented at both national and international meetings.

EDUCATION

1996 – 2000                        Junior High School and High School Education

                                               Kabataş Erkek High School, Istanbul 

2000 – 2006                        Medical Education (graduated with the degree of one of                                                  three highest ranked student)

                                               Kocaeli University Faculty of Medicine, Kocaeli 

2008 – 2013                        Plastic, Reconstructive and Aesthetic Surgery Education                                                Ankara Training and Research Hospital, Plastic,                                                              Reconstructive and Aesthetic Surgery Clinic, Ankara

THESIS of GRADUATION 

December 2013                 “Ex Vivo Biomechanical Evaluation of Flexor Tendon                                                       Repair Using Barbed Suture Material: A Comparative                                                     Study”

ACADEMIC APPOINTMENT

01/07/2005 – 31/07/2005   Internship

                                                   Humboldt University, Helios Klinikum Emil von                                                                Behring, Department of Plastic, Reconstructive and                                                        Aesthetic Surgery, Berlin 

01/08/2005 – 30/09/2005    Internship

                                                    Humboldt University, Waldkrankenhaus, Berlin                                                                 

09/ 2008 – 10/2013                 Plastic, Reconstructive and Aesthetic Surgery                                                                    Residency

                                                    Ankara Training and Research Hospital, Plastic,                                                               Reconstructive and Aesthetic Surgery Clinic, Ankara 

01/04/2013 – 26/04/2013     Guest Doctor

                                                    Lacomed Plastic, Reconstructive and Aesthetic                                                               Surgery Clinic, Berlin 

01/2014 – 10/ 2014                Consultant Surgeon

                                                   Sinop Ataturk State Hospital, Plastic, Reconstructive                                                    and Aesthetic Surgery Clinic, Sinop

03/01/2016 – 06/01/2016    Consultant Surgeon in ISAPS-LEAP Volunteer Mission                                                     for Syrian Refugees

                                                    Al Maqassed Charity Hospital, Amman (Jordan)

28/09/2016 – 08/10/2016     Consultant Surgeon in International Humanitarian Aid                                                      Program

                                                     Namangan Children’s Hospital, Plastic Surgery                                                                Clinic, Ferghana Valley 

2014 – 2019                              Consultant Specialist

                                                    Health Sciences University, Cemil Tascioglu Training                                                     and Research Hospital, Plastic, Reconstructive and                                                       Aesthetic Surgery Clinic, Istanbul 

09/ 2019                                     Title of Associate Professor in Plastic,                                                                                Reconstructive and Aesthetic Surgery

                                                     Chair of the Higher Education Board, Ankara

2020 – 2022                               Head of Department of Plastic, Reconstructive and                                                          Aesthetic Surgery

                                                    Health Sciences University, Cemil Tascioglu Training                                                     and Research Hospital, Plastic, Reconstructive and                                                       Aesthetic Surgery Clinic, Istanbul 

2023- Attending                       

MEMBERSHIPS 

2013                                           Turkish Society of Plastic, Reconstructive and                                                                   Aesthetic Surgeons (TPRECD)

2013                                           Reconstructive Microsurgery Association (RMCD)

2014                                           Association of Emergency Hand Surgery and                                                                     Microsurgery (ACELEMDER)

HONOR AND/OR AWARDS

12/11/2015 – 14/11/2015     Second Prize,

                                                  Turkish Society of Surgery, VIII. Surgical Research                                                         Congress, IV. Contest of Invention, Konya

                                                  Project name: “Therapeutic apparatus for ingrown                                                           toenail”

14/04/2016 – 16/04/2016  Second Prize

                                                 AAEF Surgical Forum in Breast Symposium,                                                                      Barcelona (Spain) 

                                                 Presentation name: “V.A.C.™ Therapy To Manage                                                            Extensive, Large, Potentially Lethal Degloving Injuries”

SCIENTIFIC ACHIVEMENTS

• - Published more than 40 articles in international and national peer-reviewed journals
• - Presented more than 61 presentations in international and national scientific meetings
• - Wrote more than 2 book chapters nationally and internationally.

Mehmet Özdemir, ein türkischer Staatsbürger, der am 20. Juli 1990 in Mardin, Türkei, geboren wurde, ist ein engagierter und versierter Mediziner. Er schloss seine Grundschule in Mardin ab, bevor er seine weiterführende Schule an der Siirt Science High School in Siirt, Türkei, besuchte. Später studierte er von September 2008 bis August 2014 Medizin an der Englischen Abteilung der Medizinischen Fakultät Cerrahpaşa der Universität Istanbul. Er begann seine Facharztausbildung als Notarzt am staatlichen Krankenhaus Nusaybin und setzte seine medizinische Laufbahn in verschiedenen Positionen fort, darunter als Assistenzarzt an der Medizinischen Fakultät der Dicle-Universität, mit Spezialisierung auf plastische, rekonstruktive und ästhetische Chirurgie. Özdemirs umfangreiche Erfahrung umfasst Famulaturen und Stipendien an renommierten Institutionen wie der Medizinischen Hochschule Hannover in Deutschland und der Medizinischen Fakultät der Universität Cerrahpaşa in der Türkei. Insbesondere führte er Forschungen zu neuartigen Transplantationstechniken für Nasenkorrekturen durch, wofür er unter der Aufsicht von Dr. Mehmet Fatih Akkoç Anerkennung fand. Özdemir konnte sein Fachwissen durch Wahlprogramme und Stipendien weiter ausbauen, darunter kürzlich ein Stipendium an der Auersvald-Klinik in Curitiba, Brasilien, unter der Leitung von Dr. Andre Auersvald. Mit seinem vielseitigen Hintergrund und seinem Streben nach Exzellenz ist Mehmet Özdemir ein erfahrener Facharzt für plastische, rekonstruktive und ästhetische Chirurgie mit Sitz in Diyarbakır, Türkei.

Spezialisierungen

• Ästhetik der Nasenkorrektur
• Gesichtsanwendungen in der Chirurgie
• Brustästhetik
• Körperformende Ästhetik
• Fettabsaugung
• Botox-Filler-Mesotherapie-Verfahren