Glioma recurrence versus radiation necrosis: accuracy of current imaging modalities

GA Alexiou, S Tsiouris, AP Kyritsis, S Voulgaris… - Journal of neuro …, 2009 - Springer
Abstract Treatment for brain gliomas is a combined approach of surgery, radiation therapy
and chemotherapy. Nevertheless, high-grade gliomas usually recur despite treatment. …

Comparison of diffusion tensor, dynamic susceptibility contrast MRI and 99mTc-Tetrofosmin brain SPECT for the detection of recurrent high-grade glioma

GA Alexiou, A Zikou, S Tsiouris, A Goussia… - Magnetic Resonance …, 2014 - Elsevier
Introduction Treatment induced necrosis is a relatively frequent finding in patients treated for
high-grade glioma. Differentiation by imaging modalities between glioma recurrence and …

[HTML][HTML] Adaptation of melodic intonation therapy to Greek: A clinical study in Broca's aphasia with brain perfusion SPECT validation

…, A Nousia, G Nasios, S Tsiouris - Frontiers in Aging …, 2021 - frontiersin.org
Melodic intonation therapy (MIT) is one of the most well-known treatment methods which is
based on pitch and rhythm and was developed to increase verbal output in adults with non-…

Correlation of diffusion tensor, dynamic susceptibility contrast MRI and 99mTc-Tetrofosmin brain SPECT with tumour grade and Ki-67 immunohistochemistry in glioma

GA Alexiou, A Zikou, S Tsiouris, A Goussia… - Clinical neurology and …, 2014 - Elsevier
Objective Assessment of the grade and type of glioma is of paramount importance for prognosis.
Tumour proliferative potentials may provide additional information on the behaviour of …

Evaluation of brain tumor recurrence by 99mTc-tetrofosmin SPECT: a prospective pilot study

…, AP Kyritsis, KS Polyzoidis, S Tsiouris - Annals of nuclear …, 2007 - Springer
Objective The differentiation between brain tumor recurrence and post-irradiation injury
remains an imaging challenge. Computed tomography (CT) and magnetic resonance imaging (…

[PDF][PDF] Imaging of cardiac amyloidosis by (99m) Tc-PYP scintigraphy

…, P Valsamaki, S Kastritis, S Tsiouris… - Hell J Nucl …, 2015 - researchgate.net
Objective: Cardiac amyloidosis (CA) is an underestimated and underdiagnosed cause of
cardiac insufficiency. Despite being often considered as a solitary entity attributable to …

Assessment of glioma proliferation using imaging modalities

GA Alexiou, S Tsiouris, AP Kyritsis… - Journal of Clinical …, 2010 - Elsevier
The assessment of glioma proliferation rate is important to predict tumor behavior, response
to therapy and prognosis. Various methods, largely involving immunohistological markers in …

The value of 99mTc-tetrofosmin brain SPECT in predicting survival in patients with glioblastoma multiforme

GA Alexiou, S Tsiouris, AP Kyritsis… - Journal of Nuclear …, 2010 - Soc Nuclear Med
99m Tc-tetrofosmin brain SPECT has been reported as a useful tool for the evaluation of
glioma proliferation. In the present study, we set out to investigate the prognostic value of 99m …

Evaluation of meningioma aggressiveness by 99mTc-Tetrofosmin SPECT

GA Alexiou, G Vartholomatos, S Tsiouris… - Clinical neurology and …, 2008 - Elsevier
OBJECTIVES: Although meningiomas usually have a benign clinical course, atypical and
malignant types of this brain tumor are associated with high recurrence rates and poor outcome…

Glioblastoma multiforme imaging: the role of nuclear medicine

GA Alexiou, S Tsiouris, S Voulgaris… - Current …, 2012 - ingentaconnect.com
Glioblastoma multiforme (GBM) is the most common and most malignant primary brain
tumor occurring during adulthood. The incidence of GBM is nearly 5 cases per 100,000 …