Timur Koca

ORCID: 0000-0002-7400-1837
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About
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Research Areas
  • Advanced Radiotherapy Techniques
  • Radiation Dose and Imaging
  • Lung Cancer Diagnosis and Treatment
  • Radiation Therapy and Dosimetry
  • Helicobacter pylori-related gastroenterology studies
  • Prostate Cancer Diagnosis and Treatment
  • Glioma Diagnosis and Treatment
  • Advances in Oncology and Radiotherapy
  • Radiomics and Machine Learning in Medical Imaging
  • Breast Cancer Treatment Studies
  • Lung Cancer Research Studies
  • Gastric Cancer Management and Outcomes
  • Neuroendocrine Tumor Research Advances
  • Oral and Maxillofacial Pathology
  • Bone Tumor Diagnosis and Treatments
  • Inflammatory Biomarkers in Disease Prognosis
  • Cancer Diagnosis and Treatment
  • Advanced X-ray and CT Imaging
  • Esophageal Cancer Research and Treatment
  • Endometrial and Cervical Cancer Treatments
  • Sarcoma Diagnosis and Treatment
  • Head and Neck Surgical Oncology
  • Cancer and Skin Lesions
  • Lymphoma Diagnosis and Treatment
  • Cancer Risks and Factors

Akdeniz University
2019-2025

Akdeniz University Hospital
2022-2023

Erzurum Regional Training and Research Hospital
2003-2021

Sağlık Bilimleri Üniversitesi
2021

Radiation Oncology Associates
2020

Antalya Eğitim ve Araştırma Hastanesi
2016

State Hospital
2008

University of Liverpool
2008

Inflammation plays an important role in the process of cancer development. The number studies evaluating ability inflammatory biomarkers to predict survival has increased recent years. This study aimed comprehensively evaluate predictive patients with larynx undergoing definitive radiotherapy. A total 101 who underwent radiotherapy for at our center were retrospectively examined. Blood samples taken from before obtain such as C-reactive protein (CRP), neutrophil-lymphocyte ratio (NLR),...

10.1177/15330338241280433 article EN cc-by-nc Technology in Cancer Research & Treatment 2024-01-01

Objective: Inflammatory biomarkers have been shown to possess both prognostic and predictive significance in various cancers. Among the emerging biomarkers, pan-immune-inflammation value (PIV) has recently introduced as a novel indicator representing immune response systemic inflammatory state. This study aims comprehensively evaluate of on survival outcomes cervical cancer patients undergoing chemoradiotherapy. Methods: A total 90 who had undergone chemoradiotherapy for were included. Data...

10.3390/curroncol32010039 article EN cc-by Current Oncology 2025-01-13

Background and Objectives: Glioblastoma presents a significant challenge in oncology due to its aggressive nature poor prognosis, despite advancements treatment. This study aims comprehensively evaluate the prognostic significance of coagulation biomarkers, including novel albumin/D-dimer ratio, adult glioblastoma patients. Material Methods: retrospective included 74 patients who underwent Stupp protocol Blood samples were collected before radiotherapy measure prothrombin time (PT),...

10.3390/medicina61040756 article EN cc-by Medicina 2025-04-19

Objective The purpose of this research was to compare two treatment techniques for oropharyngeal cancers: conventional linac-based static intensity-modulated radiotherapy (sIMRT) and helical tomotherapy (HT). study examined several parameters, including target coverage, organs at risk, integral dose, beam on time. Additionally, the evaluated doses parotid, temporomandibular joint, pharyngeal constrictor muscles, which are important swallowing. Method present retrospectively analyzed data 13...

10.1177/15330338241260646 article EN cc-by-nc Technology in Cancer Research & Treatment 2024-01-01

Painful plantar heel spur (PPHS) is a benign disorder with painful heels as result of calcaneal bone spur. Exact etiological factors are still unclear. Treatment typically consists osteoarthritis tretment schedules and surgical techniques. External radiotherapy another treatment option. This study aimed to determine effectiveness outcomes external in patients PPHS.Sixty-two PPHS were analysed for success other possible prognostic factors. All treated Co-60 units from parallel opposed lateral...

10.1186/2193-1801-3-21 article EN SpringerPlus 2014-01-10

Background: Oesophageal squamous cell carcinoma (ESCC) is endemic in the Eastern Anatolian region of Turkey. The present study was performed to identify risk factors for ESCC that specifically reflect demography and nutritional habits individuals living this region. Materials Methods: following parameters were compared 208 patients 200 control region: age, sex, place living, socioeconomic level, education smoking, alcohol intake, habits, food preservation methods. Results: mean age 56.2...

10.7314/apjcp.2015.16.5.1913 article EN cc-by Asian Pacific Journal of Cancer Prevention 2015-03-18

Purpose: To present information about prognostic factors of gastric cancer patients treated in our Erzurum center including age, gender, tumour location, pathological grade, stage and the effect treatment on survival. Materials Methods: This retrospective study was performed who applied to clinic diagnosed as cancer. Age gender patients, primary histopathological characteristics, TNM cancers (GCs), applied, oncological modalities survival outcomes were studied. A univariate analysis...

10.7314/apjcp.2015.16.5.2055 article EN cc-by Asian Pacific Journal of Cancer Prevention 2015-03-18

Despite advances in radiotherapy, overall survival of glioblastoma multiforme (GBM) patients is still poor. Moreover dosimetrical analyses with these newer treatment methods are insufficient. The current study aimed to compare intensity modulated radiation therapy (IMRT) linear accelerator (linac) and helical tomotherapy (HT) plans for prognostic aggressive brain tumors.A total 20 GBM patient were prospectively evaluated both linac HT planning systems. Plans compared respect homogenity...

10.7314/apjcp.2014.15.18.7811 article EN cc-by Asian Pacific Journal of Cancer Prevention 2014-10-11

Ameloblastoma is a benign but locally aggressive tumor of odontogenic epithelial tissue. Reports radiotherapy treatment modalities are limited in the literature. A thirty-five year old male presented with complaints headache radiating to his face for about six months and impaired vision. The patient’s Positron Emission Tomography (PET) showed mass left maxillary sinus extending nasal cavity invading adjacent tissues. An R2 (macroscopic residual tumor) surgical resection performed debulk...

10.1186/1748-717x-9-157 article EN cc-by Radiation Oncology 2014-07-15

The principal objective of this study was to assess the predictive efficacy global immune-nutrition-inflammation index (GINI) and albumin-bilirubin (ALBI) score among patients receiving chemoradiotherapy for esophageal cancer.

10.3390/curroncol31110504 article EN cc-by Current Oncology 2024-11-02

Primary small cell carcinoma of the esophagus is a relatively rare malignancy. It highly progressive and poorly prognostic in untreated conditions. In western populations, rate primary all esophageal cancer types between 0.05% 2.4%, while it endemically increasing up to 7.6% eastern populations. Most cases are extensive stage at time diagnosis. Surgery treatment choice limited stages, but must be multimodal esophagus. A 47-year-old woman was referred our clinic with gradually severe dry...

10.1155/2012/870783 article EN cc-by Case Reports in Medicine 2012-01-01

The aim of this prospective study was to investigate the incidence and risk factors secondary infected radiodermatitis in patients receiving radiotherapy determine isolated microorganisms' resistance profiles different antimicrobial agents.The comprised 62 admitted Regional Training Research Hospital from January 2009 2010. Radiodermatitis graded according National Cancer Institute's Common Toxicity Criteria version 3.0. Potential for infection were recorded evaluated by univariate...

10.5152/eajm.2011.34 article EN cc-by Eurasian Journal of Medicine 2011-12-01

Background: Currently poster presentations offer a common visual medium for knowledge transfer by wide range of health professionals. Our study aimed to determine the scientific importance Medical and Radiation Oncologists. Methods: A survey form including 40 questions was distributed total 131 oncologists experienced in presentations. One hundred completed forms were included study. Descriptive statistics modified thematic analyses performed on responses. Results: Overall 64% participants...

10.7314/apjcp.2014.15.18.7707 article EN cc-by Asian Pacific Journal of Cancer Prevention 2014-10-11

Dedifferentiated liposarcoma is a variant of with more aggressive course.Mutations the p53 gene have been found in different types soft tissue sarcoma.It generally accepted that mutations human malignant tumors are often related to poor prognosis.In our case, analysis mutation tumor samples was performed.p53 observed dedifferentiated but not well-differentiated samples.It has reported occurs most commonly retroperitoneum and rarely other anatomic locations.Herein we report case located at...

10.3748/wjg.14.5927 article EN cc-by-nc World Journal of Gastroenterology 2008-01-01

The study evaluates the different treatment planning techniques according to three recommendation levels of International Commission on Radiation Units and Measurements Report-83 in gynecologic cancer patients treated with adjuvant pelvic radiotherapy (APR).Computerized tomography images ten endometrial cervical who were APR assessed. For each patient, five plans created. One homogeneity index four conformity indexes (CIs) calculated for three-dimensional conformal (3D-CRT), field-in-field...

10.4103/0973-1482.179189 article EN Journal of Cancer Research and Therapeutics 2016-01-01

This study aims to evaluate inter-fractional set-up errors in patients treated with distinct immobilization equipment (thermoplastic mask, knee-fix and feet-fix, wing board vac-lok) for four anatomical regions including brain, head neck (HN), thorax pelvis. Data of randomly selected 140 who were obtained using Hi-Art Helical Tomotherapy (HT) system. Pre-treatment planning was based on automatic registration readings computed tomography (CT) mega-voltage (MVCT) a daily basis. Distinct used...

10.4236/ijmpcero.2016.52013 article EN International Journal of Medical Physics Clinical Engineering and Radiation Oncology 2016-01-01

In the green synthesis method, various plants gain importance due to synergistic effect created by their rich phytochemical properties. this study, SM (thistle-Silybum marianum) plant, which is known with its antioxidant and anticarcinogenic properties in literature, forms source of motivation. Silver nanoparticles (Ag NPs) were synthesized aqueous extracts method. The formation Ag NPs was confirmed transmission electron microscopy (TEM), UV-Vis XRD spectrophotometers. Cytotoxicity MCF-7...

10.1080/24701556.2021.1987460 article EN Inorganic and Nano-Metal Chemistry 2021-10-15

Abstract Syringomas are benign tumors derived from the intraepidermal portion of eccrine sweat ducts. They usually occur on periobital area, but have also been found scalp, forehead, cheeks, axillae, abdomen, extremities, genitalia, and buttocks. We describe a patient with an unusual presentation unilateral syringoma face associated hyperthyroidism.

10.1111/j.1346-8138.2004.tb00609.x article EN The Journal of Dermatology 2004-10-01
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