Nikolaos Kelekis
Overview
Explore the profile of Nikolaos Kelekis including associated specialties, affiliations and a list of published articles.
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Articles
117
Citations
957
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Recent Articles
1.
Stathopoulos I, Serio L, Karavasilis E, Kouri M, Velonakis G, Kelekis N, et al.
J Imaging
. 2024 Dec;
10(12).
PMID: 39728193
Central Nervous System (CNS) tumors represent a significant public health concern due to their high morbidity and mortality rates. Magnetic Resonance Imaging (MRI) has emerged as a critical non-invasive modality...
2.
Prountzos S, Douros K, Moriki D, Mazioti A, Papaevangelou V, Kelekis N, et al.
Acta Paediatr
. 2024 Oct;
114(1):219-220.
PMID: 39375827
No abstract available.
3.
Papakonstantinou O, Karavasilis E, Martzoukos E, Velonakis G, Kelekis N, Pergantou H
Life (Basel)
. 2024 Sep;
14(9).
PMID: 39337896
We aim (a) to introduce an easy-to-perform multi-echo gradient-echo sequence (mGRE) for the detection of hemosiderin deposition in the ankle joints of boys with haemophilia (b) to explore the associations...
4.
Broumpoulis G, Karavasilis E, Lama N, Papadopoulos I, Zachos P, Apostolopoulou S, et al.
J Med Imaging (Bellingham)
. 2024 Aug;
11(4):044004.
PMID: 39099641
Purpose: Tetralogy of Fallot (TOF) is a congenital heart disease, and patients undergo surgical repair early in their lives. The evaluation of TOF patients is continuous through their adulthood. The...
5.
Argyropoulos G, Christidi F, Karavasilis E, Bede P, Velonakis G, Antoniou A, et al.
Diagnostics (Basel)
. 2024 Jun;
14(11).
PMID: 38893696
Although magnetic resonance spectroscopy (MRS) has provided in vivo measurements of brain chemical profiles in bipolar disorder (BD), there are no data on clinically and therapeutically important onset polarity (OP)...
6.
Chlorogiannis D, Kratiras Z, Efthymiou E, Moulavasilis N, Kelekis N, Chrisofos M, et al.
Cardiovasc Intervent Radiol
. 2024 Apr;
47(5):573-582.
PMID: 38561521
Purpose: To retrospectively compare long-term oncologic outcomes of percutaneous computed tomography-guided microwave ablation (MWA) and robot-assisted partial nephrectomy (RAPN) for the treatment of stage 1 (T1a and T1b) renal cell...
7.
Kougioumtzopoulou A, Syrigos N, Zygogianni A, Georgakopoulos I, Platoni K, Patatoukas G, et al.
Cancers (Basel)
. 2024 Mar;
16(6).
PMID: 38539526
Moderate hypofractionated radiotherapy (MHRT) has emerged as the preferred treatment modality for localized prostate cancer based on randomized controlled studies regarding efficacy and toxicity using contemporary radiotherapy techniques. In the...
8.
Siarkos K, Karavasilis E, Velonakis G, Papageorgiou C, Smyrnis N, Kelekis N, et al.
Sci Rep
. 2023 Dec;
13(1):22743.
PMID: 38123613
We investigated the potential of machine learning for diagnostic classification in late-life major depression based on an advanced whole brain white matter segmentation framework. Twenty-six late-life depression and 12 never...
9.
Tsochatzis A, Charalampopoulos G, Tzelves L, Velonakis G, Kelekis A, Kelekis N, et al.
Br J Radiol
. 2023 Sep;
96(1152):20230383.
PMID: 37750857
Objective: To retrospectively compare and evaluate ablation zone volume and its reduction from baseline to 1 month follow-up post-percutaneous microwave ablation (MWA) between healthy and cirrhotic liver parenchyma. Methods: Institutional...
10.
Charalampopoulos G, Iezzi R, Tsitskari M, Mazioti A, Papakonstantinou O, Kelekis A, et al.
Medicina (Kaunas)
. 2023 Jul;
59(7).
PMID: 37511998
Cholangiocarcinoma (CCA) is an invasive cancer accounting for <1% of all cancers and 10-15% of primary liver cancers. Intrahepatic CCA (iCCA) is associated with poor survival rates and high post-surgical...