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List of works by Nikolaos Kelekis

A New Questionnaire (QRFPC25) Regarding the Religiosity and Spirituality in People with Life-Threatening Disease: Reliability and Validity in a Population of Cancer Patients Undergoing Radiotherapy

scientific article

A Retrospective Analysis of Toxicity and Efficacy for 2 Hypofractionated Irradiation Schedules Versus a Conventional One for Post-Mastectomy Adjuvant Radiotherapy in Breast Cancer

scientific article published on 28 September 2016

A magnetic resonance imaging study of hippocampal, amygdala and subgenual prefrontal cortex volumes in major depression subtypes: melancholic versus psychotic depression

scientific article published on 25 September 2012

A new era in computed tomographic dose optimization: the impact of iterative reconstruction on image quality and radiation dose

scientific article

A new hypofractionated schedule of weekly irradiation for basal cell carcinoma of the head and neck skin area in elderly patients.

scientific article published on May 2014

ACTH-secreting islet cell tumor: appearances on dynamic gadolinium-enhanced MRI

scientific article published on 01 January 1995

Accelerated hypofractionated radiotherapy schedules in breast cancer: a review of the current literature

scientific article published on September 2009

Adjuvant chemotherapy and acute toxicity in hypofractionated radiotherapy for early breast cancer

scientific article

Adult patient radiation doses from non-cardiac CT examinations: a review of published results ⬇️

scientific article published on January 25, 2011

Advanced intrahepatic cholangiocarcinoma in hepatitis C virus-related decompensated cirrhosis: case report and review of the literature

scientific article

Aggressive vertebral hemangioma treated with combination of vertebroplasty and sclerotherapy through transpedicular and direct approach

scientific article published on 3 December 2013

Ampullary carcinoma: demonstration by current MR techniques

scientific article published on 01 January 1997

Angiosarcoma of the liver: MR imaging pre- and post-chemotherapy

scientific article published on 01 January 1997

Anomalous origin of pulmonary artery from the innominate artery

scientific article published on 30 July 2004

Assessment of iron distribution between liver, spleen, pancreas, bone marrow, and myocardium by means of R2 relaxometry with MRI in patients with beta-thalassemia major

scientific article published on 01 April 2009

Bowel-related abscesses: MR demonstration preliminary results

scientific article published on 01 October 1998

Brachytherapy for prostate cancer: a systematic review

scientific article published on September 2009

Bright-dark ring sign in MR imaging of hepatic epithelioid hemangioendothelioma

scientific article published on 01 April 2008

Carotid sinus malfunction presenting with presyncopal episodes during radiation therapy for head and neck cancer

scientific article published on 6 May 2014

Catastrophic antiphospholipid syndrome with heart involvement: diagnostic utility of the cardiac MRI

scientific article published on 20 November 2006

Chemotherapy-treated liver metastases mimicking hemangiomas on MR images

scientific article published on 01 July 1999

Childhood central nervous system tumours: Incidence and time trends in 13 Southern and Eastern European cancer registries.

scientific article published on 9 May 2015

Cholangiocarcinoma: spectrum of appearances on MR images using current techniques.

scientific article

Confluent hepatic fibrosis as the presenting imaging sign in nonadvanced alcoholic cirrhosis

scientific article published in March 2004

Contrast-enhanced 3D FISP MR angiography of the aortic arch ostia: preliminary results.

scientific article published on May 2000

Dark ring sign: finding in patients with fungal liver lesions and transfusional hemosiderosis undergoing treatment with antifungal antibiotics

scientific article published in January 1996

Diagnosis and monitoring response to treatment of hepatosplenic candidiasis in patients with acute leukemia using magnetic resonance imaging

scientific article published on 01 January 1998

Editorial for “Deep Learning Nomogram for the Identification of Deep Stromal Invasion in Patients With Early‐Stage Cervical Adenocarcinoma and Adenosquamous Carcinoma: A Multicenter Study”

scientific article published in 2023

Evaluation of acute toxicity and symptoms palliation in a hypofractionated weekly schedule of external radiotherapy for elderly patients with muscular invasive bladder cancer

scientific article

Evaluation of acute/late toxicity and local recurrence in T1-T2 glottic carcinoma treated with accelerated hypofractionated 3D-conformal external beam radiotherapy (3D-CRT).

scientific article published on 21 May 2013

FLAIR hyperintensities in suspected cerebral angiitis

scientific article published on 01 February 2004

Feasibility and radiation induced toxicity regarding the first application of transperineal implementation of biocompatible balloon for high dose radiotherapy in patients with prostate carcinoma

scientific article published on 08 April 2013

First application of total skin electron beam irradiation in Greece: setup, measurements and dosimetry

scientific article published on 22 April 2011

Fluoroscopically guided infiltration of the cervical nerve root: an indirect approach through the ipsilateral facet joint

scientific article published on July 2014

Fluoroscopy-guided infiltration for pain reduction in patients with Baastrup's disease: clinical experience and results

scientific article published on May 2015

Focal hepatic lymphoma: magnetic resonance demonstration using current techniques including gadolinium enhancement

scientific article published on 01 January 1997

Gray-scale and color Doppler ultrasonographic evaluation of reactivated post-traumatic/postoperative chronic osteomyelitis

scientific article published on 10 December 2008

Hepatic angiomyolipoma with minimal fat content: MR demonstration

scientific article published on 01 January 1996

Hepatoid pancoast tumor. A case report and review of the literature.

scientific article published on 05 June 2012

Hepatosplenic fungal disease: diagnostic accuracy and spectrum of appearances on MR imaging ⬇️

scientific article published on November 1, 1997

High-Resolution Computed Tomography Examinations for Chronic Suppurative Lung Disease in Early Childhood: Radiation Exposure and Image Quality Evaluations With Iterative Reconstruction Algorithm Use.

scientific article published on 15 April 2016

Hypofractionated radiotherapy in non small cell lung cancer: a review of the current literature

scientific article published on May 2010

Immediate postgadolinium spoiled gradient-echo MRI for evaluating the abdominal aorta in the setting of abdominal MR examination

scientific article published in July 1997

Impact of 18F-FDG PET/CT on therapeutic decisions in patients with colorectal cancer and liver metastases.

scientific article

Increased expression of VEGF and CD31 in postradiation rectal tissue: implications for radiation proctitis

scientific article published on 8 May 2013

Increased prevalence of polycystic ovary syndrome in premenopausal women with nonalcoholic fatty liver disease.

scientific article published on 4 September 2015

Investigative MRI cholangiopancreatography for primary sclerosing cholangitis-type lesions in children with IBD.

scientific article published in September 2012

Iron Oxide Nanoparticles as Contrast Agents in Molecular Magnetic Resonance Imaging: Do They Open New Perspectives in Cardiovascular Imaging?

scientific article

Iron chelation treatment with combined therapy with deferiprone and deferioxamine: a 12-month trial

scientific article published on 4 January 2006

Littoral Cell Angioma in a Patient with Epstein Syndrome ⬇️

scientific article published on January 1, 1997

Liver hypertrophy after percutaneous portal vein embolization: comparison of N-butyl-2-cyanocrylate versus sodium acrylate-vinyl alcohol copolymer particles in a swine model.

scientific article

Liver lesion detection, characterization, and effect on patient management: Comparison of single‐phase spiral CT and current MR techniques ⬇️

scientific article published on November 1, 1997

MR findings of intestinal graft-versus-host disease

scientific article published on 01 January 1996

MR imaging findings of an atypical pulmonary hamartoma in a 12-year-old child.

scientific article published on 5 August 2008

MRI of pancreatic metastases from renal cancer

scientific article published on 01 March 1996

MRI of pancreatic tumors ⬇️

scientific article published on January 1, 1997

MRI of the upper airway and McCoy-balloon laryngoscopy with left molar approach in a patient with arthrogryposis multiplex congenita and previous unsuccessful endotracheal intubation

scientific article published on 01 December 2004

Magnetic resonance imaging for the detection of myocardial fibrosis in scleroderma

scientific article published on 01 May 2006

Magnetic resonance imaging of neuroblastoma using current techniques

scientific article published on 01 February 1999

Magnetic resonance imaging of the abdominal aorta and iliac vessels using combined 3-D gadolinium-enhanced MRA and gadolinium-enhanced fat-suppressed spoiled gradient echo sequences

scientific article published on 01 June 1999

Magnetic resonance imaging of the heart in a patient with hypereosinophilic syndrome

scientific article published on 01 February 2006

Magnetic resonance imaging of the small bowel in children with idiopathic inflammatory bowel disease: evaluation of disease activity

scientific article

Malignant fibrous histiocytoma of the inferior vena cava: appearances on contrast-enhanced spiral CT and MRI

scientific article published on 01 September 1996

Measurement of systolic and diastolic arterial wall shear stress in the ascending aorta

scientific article published on 14 March 2008

Memory-related white matter tract integrity in amyotrophic lateral sclerosis: an advanced neuroimaging and neuropsychological study.

scientific article published on 28 September 2016

Modeling and simulation of right ventricular volume measurement system during right heart catheterization

scientific article published on 29 May 2010

Nodular liver involvement in light chain multiple myeloma: appearance on US and MRI

scientific article published on 01 May 1997

Occupational radiation doses to the extremities and the eyes in interventional radiology and cardiology procedures ⬇️

scientific article published on January 1, 2011

Oral squamous cell cancer: early detection and the role of alcohol and smoking

scientific article

Paracondylar process, a rare normal variant: the value of MRI in the diagnosis

scientific article published on 26 July 2011

Paraplegia-related alterations of bone density in forearm and hip in Greek patients after spinal cord injury

scientific article published on 01 April 2003

Patient radiation doses in cardiac computed tomography: comparison of published results with prospective and retrospective acquisition.

scientific article published on 15 February 2011

Pattern and distribution of myocardial fibrosis in systemic sclerosis: a delayed enhanced magnetic resonance imaging study

scientific article published on 01 November 2007

Percutaneous vertebroplasty in adult degenerative scoliosis for spine support: study for pain evaluation and mobility improvement

scientific article

Permanent Implantation as Brachytherapy Technique for Prostate Carcinoma-Review of Clinical Trials and Guidelines ⬇️

scientific article published on August 1, 2012

Post radiation hemorrhagic cystitis: MR findings

scientific article published on 01 January 1997

Potential Role of Electrochemotherapy as Anticancer Treatment for Cutaneous and Subcutaneous Lesions

scientific article

Prevention of acute radiation-induced rectal toxicity by amifostine: efficacy and evaluation of objective and subjective endpoints for radiation therapy-induced mucositis

scientific article published in October 2006

Prognostic Significance of Serum Inflammatory Response Markers in Newly Diagnosed Non-Small Cell Lung Cancer before Chemoirradiation

scientific article

Prognostic Value of MRS Metabolites in Postoperative Irradiated High Grade Gliomas

scientific article

Quality assurance (QA) procedures for software: evaluation of an ADC quality system.

scientific article

R2 relaxometry with MRI for the quantification of tissue iron overload in beta-thalassemic patients

scientific article published in February 2006

Radiotherapy combined with daily escitalopram in patients with painful bone metastasis: clinical evaluation and quality of life measurements.

scientific article published on July 2014

Radiotherapy in conjunction with superficial and intracavitary hyperthermia for the treatment of solid tumors: survival and thermal parameters

scientific article

Reduction of the estimated radiation dose and associated patient risk with prospective ECG-gated 256-slice CT coronary angiography

scientific article published on 11 August 2009

Renal cell cancer: incidence of hemorrhage on MR images in patients with chronic renal insufficiency

scientific article published on 01 January 1997

Risk factors for the development of persistent type II endoleaks after endovascular repair of infrarenal abdominal aortic aneurysms

scientific article published on 11 October 2011

Role of radiotherapy in the management of hepatocellular carcinoma: A systematic review

scientific article

The effect of synbiotics on acute radiation-induced diarrhea and its association with mucosal inflammatory and adaptive responses in rats

scientific article published on 22 May 2013

The key role of bisphosphonates in the supportive care of cancer patients

scientific article published on January 2014

The role of Doppler Perfusion Index as screening test in the characterization of focal liver lesions.

scientific article published on 21 February 2008

The role of myocardial contrast echocardiography to assess the origin of a mass in right cardiac cavities

scientific article published on 01 January 2009

Theoretical analysis, design and development of a 27-MHz folded loop antenna as a potential applicator in hyperthermia treatment

scientific article published on 12 January 2015

Therapeutics interventions with anti-inflammatory creams in post radiation acute skin reactions: a systematic review of most important clinical trials

scientific article published on June 2010

Three-dimensional conformal radiotherapy for hepatocellular carcinoma in patients unfit for resection, ablation, or chemotherapy: a retrospective study.

scientific article published on 28 November 2013

Transformation of physical DVHs to radiobiologically equivalent ones in hypofractionated radiotherapy analyzing dosimetric and clinical parameters: a practical approach for routine clinical practice in radiation oncology

scientific article

Ultrasound aids in diagnosis and severity assessment of hidradenitis suppurativa

article

Use of fat suppression in R₂ relaxometry with MRI for the quantification of tissue iron overload in beta-thalassemic patients

scientific article published on 09 April 2012

Wall shear stress calculation in ascending aorta using phase contrast magnetic resonance imaging. Investigating effective ways to calculate it in clinical practice

scientific article published on 4 March 2008

mRECIST criteria and contrast-enhanced US for the assessment of the response of hepatocellular carcinoma to transarterial chemoembolization

scientific article

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