An interindividual comparison of O-(2-[18F] Fluoroethyl)-L-Tyrosine (FET)–and L-[Methyl-11C] methionine (MET)–PET in patients with brain gliomas and metastases
AL Grosu, ST Astner, E Riedel, C Nieder… - International Journal of …, 2011 - Elsevier
PURPOSE: L-[methyl- 11 C]methionine (MET)–positron emission tomography (PET) has a
high sensitivity and specificity for imaging of gliomas and metastatic brain tumors. The short …
high sensitivity and specificity for imaging of gliomas and metastatic brain tumors. The short …
Acute versus chronic hypoxia: why a simplified classification is simply not enough
C Bayer, K Shi, ST Astner, CA Maftei… - International journal of …, 2011 - redjournal.org
For more than 100 years, it has been suspected that oxygen levels can influence the
radiosensitivity of cells (1). Further basic investigations on the importance of hypoxia for …
radiosensitivity of cells (1). Further basic investigations on the importance of hypoxia for …
Textural parameters of tumor heterogeneity in 18F-FDG PET/CT for therapy response assessment and prognosis in patients with locally advanced rectal cancer
…, R Rosenberg, K Becker, ST Astner… - Journal of Nuclear …, 2014 - Soc Nuclear Med
18 F-FDG PET/CT is effective in the assessment of therapy response. Changes in glucose
uptake or tumor size are used as a measure. Tumor heterogeneity was found to be a …
uptake or tumor size are used as a measure. Tumor heterogeneity was found to be a …
Improvement, clinical course, and quality of life after palliative radiotherapy for recurrent glioblastoma
C Nieder, ST Astner, MP Mehta… - American journal of …, 2008 - journals.lww.com
The purpose of this review is to assess the palliative effect of re-irradiation in adult patients
with recurrent supratentorial glioblastoma (GBM) previously treated with adjuvant or primary …
with recurrent supratentorial glioblastoma (GBM) previously treated with adjuvant or primary …
11C-methionine PET improves the target volume delineation of meningiomas treated with stereotactic fractionated radiotherapy
AL Grosu, WA Weber, ST Astner, M Adam… - International Journal of …, 2006 - Elsevier
Purpose: To evaluate the role of 11 C-methionine positron emission tomography (MET-PET)
in target volume delineation for meningiomas and to determine the interobserver variability. …
in target volume delineation for meningiomas and to determine the interobserver variability. …
Effect of 11C-methionine-positron emission tomography on gross tumor volume delineation in stereotactic radiotherapy of skull base meningiomas
ST Astner, M Dobrei-Ciuchendea, M Essler… - International Journal of …, 2008 - Elsevier
PURPOSE: To evaluate the effect of trimodal image fusion using computed tomography (CT),
magnetic resonance imaging (MRI) and 11 C-methionine positron emission tomography (…
magnetic resonance imaging (MRI) and 11 C-methionine positron emission tomography (…
Stereotactic fractionated radiotherapy and LINAC radiosurgery in the treatment of vestibular schwannoma—report about both stereotactic methods from a single …
C Kopp, C Fauser, A Müller, ST Astner, V Jacob… - International Journal of …, 2011 - Elsevier
PURPOSE: To evaluate tumor control and side effects associated with radiosurgery (RS) and
stereotactic fractionated radiotherapy (SFR) for vestibular schwannomas (VSs) in a group …
stereotactic fractionated radiotherapy (SFR) for vestibular schwannomas (VSs) in a group …
A planning comparison of dynamic IMRT for different collimator leaf thicknesses with helical tomotherapy and RapidArc for prostate and head and neck tumors
V Jacob, W Bayer, ST Astner, R Busch… - Strahlentherapie …, 2010 - search.proquest.com
A comparative analysis of the three most advanced intensity-modulated radiotherapy (IMRT)
techniques currently commercially available was performed. Treatment plans made in …
techniques currently commercially available was performed. Treatment plans made in …
[HTML][HTML] Prognostic scores in brain metastases from breast cancer
C Nieder, K Marienhagen, ST Astner, M Molls - BMC cancer, 2009 - Springer
Background Prognostic scores might be useful tools both in clinical practice and clinical trials,
where they can be used as stratification parameter. The available scores for patients with …
where they can be used as stratification parameter. The available scores for patients with …
The role of postoperative radiotherapy after resection of a single brain metastasis
C Nieder, ST Astner, AL Grosu… - Strahlentherapie …, 2007 - search.proquest.com
The extent of treatment in patients with single brain metastasis is a controversial topic.
Especially the issue of whole-brain radiotherapy (WBRT) after local treatment of the lesion is …
Especially the issue of whole-brain radiotherapy (WBRT) after local treatment of the lesion is …