İbrahim Yalçın

ORCID: 0000-0003-3469-1084
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About
Contact & Profiles
Research Areas
  • Endometrial and Cervical Cancer Treatments
  • Ovarian cancer diagnosis and treatment
  • Endometriosis Research and Treatment
  • Cervical Cancer and HPV Research
  • Uterine Myomas and Treatments
  • Intraperitoneal and Appendiceal Malignancies
  • Genital Health and Disease
  • Multiple and Secondary Primary Cancers
  • Cancer Diagnosis and Treatment
  • Colorectal and Anal Carcinomas
  • Metastasis and carcinoma case studies
  • Sarcoma Diagnosis and Treatment
  • Management of metastatic bone disease
  • Gynecological conditions and treatments
  • Salivary Gland Tumors Diagnosis and Treatment
  • PARP inhibition in cancer therapy
  • Cancer and Skin Lesions
  • Reproductive tract infections research
  • Estrogen and related hormone effects
  • Soft tissue tumor case studies
  • Anorectal Disease Treatments and Outcomes
  • Gastrointestinal Tumor Research and Treatment
  • COVID-19 and healthcare impacts
  • Radiopharmaceutical Chemistry and Applications
  • Renal cell carcinoma treatment

Dokuz Eylül University
2024-2025

Ondokuz Mayıs University
2020-2024

Zekai Tahir Burak Kadın Sağlığı Eğitim ve Araştırma Hastanesi
2017-2021

Sağlık Bilimleri Üniversitesi
2017-2020

Şanlıurfa Mehmet Akif İnan Eğitim ve Araştırma Hastanesi
2020

Ankara University
2016-2019

Women’s Health Care
2018-2019

University of Health Sciences
2018-2019

University of Health Science
2018-2019

Gynecologic Oncology Group
2019

<h3>Objective</h3> Management of endometrial cancer is advancing, with accurate staging crucial for guiding treatment decisions. Understanding sentinel lymph node (SLN) involvement rates across molecular subgroups essential. To evaluate SLN in early-stage (International Federation Gynecology and Obstetrics 2009 I–II) cancer, considering subtypes new European Society Gynaecological Oncology (ESGO) risk classification. <h3>Methods</h3> The SENECA study retrospectively reviewed data from 2139...

10.1136/ijgc-2024-005711 article EN other-oa International Journal of Gynecological Cancer 2024-08-17

Our study aims to assess the risk factors associated with bi-lateral sentinel lymph node (SLN) mapping failure in endometrial cancer. The SENECA was a retrospective multi-center international observational that reviewed data from 2139 women clinical stage I-to-II cancer across 64 centers 17 countries. Between January 2021 and December 2022, patients underwent surgical treatment SLN assessment, following guidelines of European Society Gynaecological Oncology. Risk absence were analyzed using...

10.1016/j.ijgc.2025.101771 article EN International Journal of Gynecological Cancer 2025-03-01

Objective: To compare the clinical validity of Gynecologic Oncology Group-99 (GOG-99), Mayo-modified and European Society for Medical (ESMO)-modified criteria predicting lymph node (LN) involvement in women with endometrioid endometrial cancer (EC) clinically confined to uterus.Methods: A total 625 consecutive who underwent comprehensive surgical staging EC uterus were divided into low-and high-risk groups according GOG-99, Mayo-modified, ESMO-modified criteria.Lymphovascular space invasion...

10.3802/jgo.2017.28.e78 article EN cc-by-nc Journal of Gynecologic Oncology 2017-01-01

This study was conducted to determine the demographic and clinicopathologic characteristics evaluate prognostic value of various factors, such as extensiveness surgery, related tumour itself clinical features in recurrence borderline ovarian tumours (BOT). We retrospectively evaluated data 103 patients with a treated at our institution between years 2000 2012. The median age 37 (16–79) majority were premenopausal (76.7%). During follow-up, 16 recurrences observed (15.5%). multivariate...

10.1080/01443615.2018.1499076 article EN Journal of Obstetrics and Gynaecology 2018-10-29

Objective The purpose of this study was to assess the prognostic significance lymphovascular space invasion in women with low-risk endometrial cancer. Methods A dual-institutional, retrospective department database review performed identify patients ‘low-risk cancer’ (patients having &lt;50% myometrial grade 1 or 2 endometrioid cancer according their final pathology reports) at two gynecologic oncology centers Ankara, Turkey. Demographic, clinicopathological and survival data were collected....

10.1136/ijgc-2018-000069 article EN cc-by-nc-nd International Journal of Gynecological Cancer 2019-01-21

Objective: This study aimed to investigate how gynecologic oncologists modified their patient management during Coronavirus disease-2019 in Turkey. Material and Methods:An online survey was sent oncology specialists fellows Turkey.It included questions about strategies for newly diagnosed or recurrent endometrial, cervical, ovarian vulvar cancer the pandemic.Participants were asked if treatment of these cancers can be delayed not and, yes, duration delay.Results: 32.9% surgeons prescribed...

10.4274/jtgga.galenos.2020.2020.0071 article EN Journal of the Turkish-German Gynecological Association 2020-12-04

Introduction The purposes of this study were to compare adjuvant treatment modalities and determine prognostic factors in stage III endometrioid endometrial cancer (EC). Methods SATEN was a retrospective involving 13 centers from 10 countries. Patients who had been operated on between 1998 2018 diagnosed with EC analyzed. Results A total 990 women identified; 317 IIIA, 18 IIIB, 655 IIIC diseases. median follow-up 42 months. 5-year disease-free survival (DFS) patients by modality 68.5% for...

10.1136/ijgc-2019-000643 article EN cc-by-nc-nd International Journal of Gynecological Cancer 2019-09-02

The aim of this study was to compare the outcome intracytoplasmic sperm injection (ICSI) and embryo transfer between couples with infertility due male non-obstructive azoospermia (NOA) obstructive (OA). A retrospective analysis 234 who were treated by ICSI January 2007 October 2010 performed. There 61 in NOA group 173 OA group. Fertilization rates, pregnancy clinical rates main measures. number retrieved mature oocytes, injected metaphase II (MII) two distinct pronuclei cleavage embryos...

10.1080/14647273.2016.1264632 article EN Human Fertility 2016-12-08

We aimed to assess risk factors for lymph node (LN) metastasis among lymphovascular space invasion(LVSI)-positive women with pure endometrioid endometrial cancer (EC) clinically confined the uterus.Medical records of who underwent primary surgery EC between 2007 and 2016 at either 2 gynecological oncology centers were retrospectively reviewed. Patient data analyzed respect LN involvement, predictive investigated.280 patients surgically staged endometrioid-type LVSI identified. involvement...

10.1159/000492585 article EN Oncology Research and Treatment 2018-01-01

The purpose of this study was to determine the patterns failure and prognostic factors for lymphovascular space invasion (LVSI)-positive endometrioid endometrial cancer (EC) patients in setting negative lymph nodes (LNs). A multicenter, retrospective department database review performed identify LVSI-positive with disease surgically confined uterus at two gynecologic oncology centers Turkey. Demographic, clinicopathological survival data were collected. We identified 185 LVSI-positivewomen...

10.1016/j.tjog.2018.11.016 article EN cc-by-nc-nd Taiwanese Journal of Obstetrics and Gynecology 2019-01-01

Objective The purpose of this retrospective study was to define a risk index that would serve as surrogate marker lymphovascular space invasion (LVSI) in women with endometrioid endometrial cancer (EC). Materials and Methods Final pathology reports 498 who underwent surgery curative intent for EC between January 2008 June 2018 were retrospectively reviewed. Logistic regression used investigate clinicopathologic factors associated positive LVSI status. Independent build model “risk index”...

10.1097/pgp.0000000000000596 article EN International Journal of Gynecological Pathology 2019-04-27

The aim of this study was to analyze the factors affecting recurrence-free (RFS) and overall survival (OS) rates women diagnosed with low-grade serous ovarian cancer (LGSOC).Databases from 13 participating centers in Turkey were searched retrospectively for who had been treated stage I-IV LGSOC between 1997 2018.Overall 191 eligible included. median age at diagnosis 49 years (range, 21-84 years). One hundred seventy-five (92%) patients underwent primary cytoreductive surgery. Complete...

10.1002/jso.26450 article EN Journal of Surgical Oncology 2021-03-03

Leiomyomas are the most common benign tumors of uterus. Removal prolapsed pedunculated submucous myoma represents a distinct entity. Evaluation and treatment such cases may need intervention via hymen.Mini-laparotomic management while preserving hymen integrity in virginal patient is described as safe alternative..A 30-year old, nulliparous virgin woman admitted to outpatient- clinic with complaint irregular menstrual bleeding ongoing for three months. Pelvic ultrasound revealed 5×6 cm solid...

10.29252/ijrm.14.3.217 article EN cc-by-nc International Journal of Reproductive BioMedicine (IJRM) 2016-03-01
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