Publications by authors named "Dimitris J Apostolopoulos"

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Single versus double computed tomography scan for attenuation correction in SPECT stress-rest myocardial perfusion studies: from polar maps similarity to clinical impact.
Łukasz Łabieniec, Krzysztof R Szymański, Andrzej Andrejczuk, Trifon J Spyridonidis, Kyriakos Filis, Dimitris J Apostolopoulos

J Nucl Cardiol· December 2025

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Y-microsphere radioembolization: The method, clinical evidence and perspective.
Trifon Spyridonidis, Nikolaos Papathanasiou, John Spyridonidis, Christina Ntzoumani, Despina Spyropoulou, Dimitris J Apostolopoulos

Hell J Nucl Med· July 2024

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Integrating Machine Learning in Clinical Practice for Characterizing the Malignancy of Solitary Pulmonary Nodules in PET/CT Screening.
Ioannis D Apostolopoulos, Nikolaos D Papathanasiou, Dimitris J Apostolopoulos, Nikolaos Papandrianos, Elpiniki I Papageorgiou

Diseases· June 2024

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Applications of Generative Adversarial Networks (GANs) in Positron Emission Tomography (PET) imaging: A review.
Ioannis D Apostolopoulos, Nikolaos D Papathanasiou, Dimitris J Apostolopoulos, George S Panayiotakis

Eur J Nucl Med Mol Imaging· September 2022

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Deep learning exploration for SPECT MPI polar map images classification in coronary artery disease.
Nikolaos I Papandrianos, Ioannis D Apostolopoulos, Anna Feleki, Dimitris J Apostolopoulos, Elpiniki I Papageorgiou

Ann Nucl Med· September 2022

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A Deep Learning Methodology for the Detection of Abnormal Parathyroid Glands via Scintigraphy with Tc-Sestamibi.
Ioannis D Apostolopoulos, Nikolaos D Papathanasiou, Dimitris J Apostolopoulos

Diseases· August 2022

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Automatic characterization of myocardial perfusion imaging polar maps employing deep learning and data augmentation.
Ioannis D Apostolopoulos, Nikolaos D Papathanasiou, Trifon Spyridonidis, Dimitris J Apostolopoulos

Hell J Nucl Med· June 2021

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Automatic classification of solitary pulmonary nodules in PET/CT imaging employing transfer learning techniques.
Ioannis D Apostolopoulos, Emmanuel G Pintelas, Ioannis E Livieris, Dimitris J Apostolopoulos, Nikolaos D Papathanasiou

Med Biol Eng Comput· June 2021

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Advanced fuzzy cognitive maps: state-space and rule-based methodology for coronary artery disease detection.
Ioannis D Apostolopoulos, Peter P Groumpos, Dimitris J Apostolopoulos

Biomed Phys Eng Express· May 2021

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Adherence of Tc-99m agents to plastic syringes.
Trifon Spyridonidis, Theodoros Skouras, Dimitris J Apostolopoulos

J Nucl Cardiol· December 2016

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Imaging myocardial inflammation of various etiologies with 99mTc-depreotide SPET/CT.
Trifon Spyridonidis, Nikolaos Patsouras, Sotiria Alexiou, Dimitris J Apostolopoulos

Hell J Nucl Med· April 2016

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The impact of transmission-emission misregistration on the interpretation of SPET/CT myocardial perfusion studies and the value of misregistration correction.
Dimitris J Apostolopoulos, Martyna Gąsowska, Christos A Savvopoulos, Theodoros Skouras, Trifon Spyridonidis

Hell J Nucl Med· September 2015

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Assessment of absolute Tc-99m tetrofosmin retention in the myocardium as an index of myocardial blood flow and coronary flow reserve by gated-SPECT/CT: a feasibility study.
Dimitris J Apostolopoulos, Agaristi Kaspiri, Trifon Spyridonidis, Nikolaos Patsouras, Christos A Savvopoulos

Ann Nucl Med· August 2015

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CT-based attenuation correction in Tl-201 myocardial perfusion scintigraphy is less effective than non-corrected SPECT for risk stratification.
Christos A Savvopoulos, Trifon Spyridonidis, Nikolaos Papandrianos, Pavlos J Vassilakos, Dimitrios Alexopoulos, Dimitris J Apostolopoulos

J Nucl Cardiol· June 2014

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Tc-99m depreotide SPECT/CT for lymph node staging of non-small-cell lung cancer.
Dimitris J Apostolopoulos, Efstratios N Koletsis, Trifon Spyridonidis, Anna Paschali, Nikolaos Papandrianos

Ann Nucl Med· June 2014

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Bone scintigraphy depicts bilateral atypical femoral stress fractures with metachronous presentation, long before a complete fracture occurs.
Trifon J Spyridonidis, Kostantinos V Mousafiris, Efi K Rapti, Dimitris J Apostolopoulos

Hell J Nucl Med· February 2014

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(99m)Tc sestamibi as a prognostic factor of response to first-line therapy and outcome in patients with malignant lymphoma.
Trifon J Spyridonidis, Panayota Matsouka, Argiris Symeonidis, Christos Savvopoulos, Pavlos J Vassilakos, Dimitris J Apostolopoulos

Clin Nucl Med· November 2013

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Atypical bilateral stress fractures of the femoral shaft diagnosed by bone scintigraphy in a woman with osteoporosis.
Nikolaos Papandrianos, Sotiria Alexiou, Xanthi Xouria, Dimitris J Apostolopoulos

Clin Nucl Med· November 2013

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Is there a role for Nuclear Medicine in diagnosis and management of patients with primary aldosteronism?
Trifon J Spyridonidis, Dimitris J Apostolopoulos

Hell J Nucl Med· October 2013

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ST-segment depression during vasodilator stress is of minor clinical importance in women with normal myocardial perfusion imaging and low or intermediate risk of coronary artery disease.
Dimitris J Apostolopoulos, Periklis Davlouros, Sotiria Alexiou, Nikolaos Patsouras, Trifon Spyridonidis

Eur J Nucl Med Mol Imaging· March 2012

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Parametric images via dynamic 18F-fluorodeoxyglucose positron emission tomographic data acquisition in predicting midterm outcome of liver metastases secondary to gastrointestinal stromal tumours.
Dimitris J Apostolopoulos, Antonia Dimitrakopoulou-Strauss, Peter Hohenberger, Safwan Roumia, Ludwig G Strauss

Eur J Nucl Med Mol Imaging· July 2011

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Technetium-99m depreotide imaging by single photon emission tomography/low resolution computed tomography in malignant lymphomas: comparison with gallium-67 citrate.
Dimitris J Apostolopoulos, Nikolaos I Papandrianos, Argiris Symeonidis, Tryfon Spyridonidis, Sotiria Alexiou

Ann Nucl Med· November 2010

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Tc-99m Depreotide SPECT/CT depicts myocardial involvement in a case of thrombotic thrombocytopenic purpura.
Tryfon Spiridonidis, Nikolaos Patsouras, Nikolaos Papandrianos, Argiris Symeonidis, Dimitris J Apostolopoulos

Clin Nucl Med· December 2008

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Adverse reactions following NP-59 administration.
Tryfon Spyridonidis, Costas Giannakenas, Velissarios Lakiotis, Dimitris J Apostolopoulos

Nucl Med Commun· August 2008

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Comparison between 180 degrees and 360 degrees acquisition arcs with and without correction by CT-based attenuation maps in normal hearts at rest.
Dimitris J Apostolopoulos, Trifon Spyridonidis, Theodoros Skouras, Costas Giannakenas, Christos Savvopoulos

Nucl Med Commun· February 2008

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