Abstract:
:Although an MRI scanner is a single stand-alone modality, different acquisition techniques may be applied to collect structural and functional information, including vascular or angiogenic properties measured by dynamic contrast enhanced MRI (DCE-MRI) and Choline (Cho) metabolism measured by proton MR spectroscopy imaging (MRSI). They may provide complementary information for a better characterization of neoplasm. In this study, we investigated the correlation between Choline measured by MRSI and vascular parameters measured by DCE-MRI in breast cancer. Fourteen patients with histologically proven invasive breast cancer were included. MRSI from a grid of 8 x 8 voxels within a selected slab from each lesion was performed. Each voxel was 1.0 x 1.0 x 1.2 cm3. Choline signal-to-noise ratio (SNR) was measured from each voxel showing an identifiable Choline peak. Corresponding DCE kinetics was measured from each voxel, and analyzed with a 2-compartmental model to obtain pharmacokinetic parameters Ktrans and k(ep). All parameters showed a wide variation within each lesion, and there were no consistent correlations between regional Cho and DCE parameters within the lesion of each individual patient. This finding might be attributed to the heterogeneous nature of breast cancer. The characteristic Cho and DCE-MRI parameters were obtained for each patient by averaging over all Cho-positive voxels. In these 14 patients there was a significant linear correlation between Cho with percent enhancement at 2 min after injection, SE%-2min (r = 0.75, p = 0.002), and pharmacokinetic parameters Ktrans (r = 0.74, p = 0.003), and k(ep) (r = 0.76, p = 0.002). The results suggested that overall there is a correlation between Choline metabolism and angiogenesis activity. Since Choline is associated with cell replication and angiogenesis is required to support tumor growth, this might explain the correlation between these two sets of measures among different lesions.
journal_name
Technol Cancer Res Treatjournal_title
Technology in cancer research & treatmentauthors
Su MY,Baik HM,Yu HJ,Chen JH,Mehta RS,Nalcioglu Osubject
Has Abstractpub_date
2006-08-01 00:00:00pages
401-10issue
4eissn
1533-0346issn
1533-0338pii
d=3025&c=4209&p=15174&do=detailjournal_volume
5pub_type
杂志文章abstract:OBJECTIVE:The incidence of colorectal cancer is increasing every year, and autophagy may be related closely to the pathogenesis of colorectal cancer. Autophagy is a natural catabolic mechanism that allows the degradation of cellular components in eukaryotic cells. However, autophagy plays a dual role in tumorigenesis. ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033820984177
更新日期:2020-01-01 00:00:00
abstract::Optical methods such as reflectance and fluorescence spectroscopy are being investigated for their potential to aid cancer detection in a quantitative, minimally invasive manner. Mathematical models of reflectance and fluorescence provide an important link between measured optical data and biomedically-relevant tissue...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章,评审
doi:10.7785/tcrt.2012.500187
更新日期:2011-04-01 00:00:00
abstract::Cyclooxygenase-2 (COX-2) and Protein kinase B (PKB/Akt) play a crucial role in the formation of many malignant tumors and have been shown to be the important therapeutic targets. In the present study, we examined immunohistochemical expression of phosphorylated Akt (p-Akt) and COX-2 in 45 gastric adenocarcinomas with ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460900800608
更新日期:2009-12-01 00:00:00
abstract:BACKGROUND:Our objective is to explore the accuracy of magnetic resonance imaging in determining the preoperative T and N staging, pathological stage, and the length of esophageal tumor in patients with esophageal cancer. METHODS:This retrospective analysis included 57 patients admitted to the Department of Thoracic S...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033819876263
更新日期:2019-01-01 00:00:00
abstract::Blood flow is a key parameter in studying cancer angiogenesis and hypermetabolism. Current photoacoustic blood flow estimation methods focus on either the axial or transverse component of the flow vector. However, the Doppler angle (beam-to-flow angle) is needed to calculate the total flow speed, and it cannot always ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.7785/tcrt.2012.500278
更新日期:2012-08-01 00:00:00
abstract::The role of salvage cryoablation of the prostate for patients with clinically localized prostate cancer that have failed radiotherapy to the prostate is reviewed with reference to alternatives including salvage radical prostatectomy and brachytherapy. The diagnosis and work-up of local recurrence/persistence of cancer...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章,评审
doi:10.1177/153303460500400210
更新日期:2005-04-01 00:00:00
abstract:PURPOSE:To evaluate a method for reducing metal artifacts, arising from dental fillings, on cone-beam computed tomography images. MATERIALS AND METHODS:A projection interpolation algorithm is applied to cone-beam computed tomography images containing metal artifacts from dental fillings. This technique involves identi...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533034615618319
更新日期:2016-12-01 00:00:00
abstract:AIM:To explore the relationship of clinicopathological features and the proteins of C-met expression in the prognosis of cholangiocarcinoma. METHODS:Clinical data and the completed follow-up information of patients with cholangiocarcinoma who underwent cholangiocarcinoma operation from January 2004 to December 2010 we...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533034615578959
更新日期:2016-04-01 00:00:00
abstract::This successor phase II study evaluates the tolerability and efficacy of concomitant hyperfractionated radiation therapy (HFX-RT) and double dose intra-arterial (IA) cisplatin in patients with locally advanced squamous cell carcinoma of the head and neck (SCCHN). In doing so, this study represents further resurgence o...
journal_title:Technology in cancer research & treatment
pub_type: 临床试验,杂志文章
doi:10.1177/153303460200100206
更新日期:2002-04-01 00:00:00
abstract::The integrated use of optical technologies for patient monitoring is addressed in the framework of time-resolved treatment delivery for scanned ion beam therapy. A software application has been designed to provide the therapy control system (TCS) with a continuous geometrical feedback by processing the external surrog...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.7785/tcrtexpress.2013.600275
更新日期:2014-12-01 00:00:00
abstract:BACKGROUND:The blue laser imaging is a kind of new endoscopic system, sending 2 different wavelengths of laser. RESULT:It can observed that the gastrointestinal mucosa shallow capillaries and mucosal surface microstructure are shown in bright and high resolution images, thus being helpful to the diagnosis of early dig...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章,评审
doi:10.1177/1533033819825877
更新日期:2019-01-01 00:00:00
abstract:BACKGROUND AND AIMS:To evaluate long-term outcomes and prognostic factors of laparoscopic microwave ablation as a first-line treatment for hepatocellular carcinoma located at the liver surface not feasible for percutaneous ablation. METHODS:51 consecutive patients receiving laparoscopic microwave ablation in our cente...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033818824338
更新日期:2019-01-01 00:00:00
abstract::A specific protein profile that accompanies neoplastic transformation in the premalignant airway epithelium could provide an opportunity for early diagnosis of lung cancer. The aim of this study was to screen and identify early candidate biomarkers of non-small cell lung cancer. Thirteen non-small cell lung cancer sam...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533034615627391
更新日期:2017-02-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to evaluate the mechanisms involved with miRNA-708 and its targeting of bone morphogenetic protein and activin membrane-bound inhibitor in cell proliferation, migration, and apoptosis in mice with melanoma via the Wnt and transforming growth factor β signaling pathways. METHODS:Sixt...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533034618756784
更新日期:2018-01-01 00:00:00
abstract::Traditional imaging techniques, such as computed tomography (CT), have high spatial resolution for changes in the anatomy or structure of organs, but are not very useful for detecting early biochemical changes. Conversely, positron emission tomography (PET) relies on changes in molecular biology to identify the earlie...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章,评审
doi:10.1177/153303460600500204
更新日期:2006-04-01 00:00:00
abstract:INTRODUCTION:Rectal cancer ranks as the eighth in cancer-related morbidity and the tenth in the cancer-related mortality. A few studies have explored several biomarkers for colorectal cancer. However, there is still a great need for us to excavate novel biomarkers with effective and efficient diagnostic and prognostic ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033820973270
更新日期:2020-01-01 00:00:00
abstract::Tumor-infiltrating immune cells are part of a complex microenvironment and associated with improved clinical outcomes in a broad range of tumor types. However, a detailed map for the prognostic landscape of tumor-infiltrating immune cells and immune checkpoint modulators in glioblastoma is still lacking. Here, with th...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033819869949
更新日期:2019-01-01 00:00:00
abstract::The 3-D transrectal ultrasound (TRUS)-guided prostate biopsy system is a novel device that allows precise needle placement in a template fashion. We evaluate its utility for prostate cancer (PCa) detection. A retrospective analysis was performed evaluating 68 prospective patients at the Duke Prostate Center who underw...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460900800202
更新日期:2009-04-01 00:00:00
abstract::We attempted to characterize the cellular autofluorescence phenomenon of living HL-60 cells and to appraise its modifications under oxidative stress conditions induced by 1 alpha,25(OH)(2)D(3) (VD(3)) and its analog EB1089. Autofluorescence emission spectra of human promyelocytic HL-60 leukemic cells were monitored us...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460400300409
更新日期:2004-08-01 00:00:00
abstract:BACKGROUND AND AIM:Methylated SEPT9 is a novel circulating tumor DNA marker for colorectal cancer, while the effects of various colorectal cancer clinicopathological factors on its detection performance have not been fully evaluated. This study aims to investigate the significance of the clinicopathological factors on ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033818791794
更新日期:2018-01-01 00:00:00
abstract:INTRODUCTION:Neoadjuvant chemoradiotherapy (nCRT) followed by operation has become the standard treatment for locally advanced rectal cancer (LARC). However, considering the possible toxicity and complications of radiochemotherapy, nCRT is seldom used for the elderly. The purpose of this study was to assess the safety ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033820970339
更新日期:2020-01-01 00:00:00
abstract::Many conventional chemotherapeutic drugs, as well as DNA for cancer gene therapy, require efficient access to the cell interior to be effective. The cell membrane is a formidable barrier to many of these drugs, including therapeutic DNA constructs. Electropermeabilization (EP, often used synonymously with "electropora...
journal_title:Technology in cancer research & treatment
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1177/153303460200100110
更新日期:2002-02-01 00:00:00
abstract:BACKGROUND:There is mounting evidence that microRNAs play an important role in nasopharyngeal carcinoma, which is widely prevalent in South China and is the most prevalent metastatic cancer among head and neck cancers. Recently, it has been shown that miR-494 is involved in the progression and prognosis of nasopharynge...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033818809993
更新日期:2018-01-01 00:00:00
abstract::Non-thermal irreversible electroporation (N-TIRE) has shown promise as an ablative therapy for a variety of soft-tissue neoplasms. Here we describe the therapeutic planning aspects and first clinical application of N-TIRE for the treatment of an inoperable, spontaneous malignant intracranial glioma in a canine patient...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.7785/tcrt.2012.500181
更新日期:2011-02-01 00:00:00
abstract::MicroRNAs are reported as a vital important factor in cancer cell initiation and progression processes. MicroRNA-19-3p has drawn the attention of many researchers in recent years because of its wide expression and its key role in serious kinds of tumor cells. However, the detailed mechanism of microRNA-19a-3p in these...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033820917978
更新日期:2020-01-01 00:00:00
abstract::Our results indicate that the surface chemistry, composition, and 3-D structure of nanoparticles are critical in determining their in vivo biodistribution, and therefore the efficacy of nanodevice imaging and therapies. We demonstrate that gold/dendrimer nanocomposites in vivo, present biodistribution characteristics ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460500400604
更新日期:2005-12-01 00:00:00
abstract:PURPOSE:We investigated the dosimetric effect of intrafraction tumor motion in lung stereotactic body radiotherapy using the CyberKnife static tracking system. METHODS:Four-dimensional computed tomography scans of a dynamic thorax phantom were acquired. Two motion ranges, 3 collimator sizes, and 4 treatment starting p...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033819859448
更新日期:2019-01-01 00:00:00
abstract::The therapeutic utility of the anthracycline antibiotic doxorubicin is limited due to its cardiotoxicity. Our aim was to investigate the efficacy of fullerenol C(60)(OH)(24) in preventing single, high-dose doxorubicin-induced cardiotoxicity in rats with malignant neoplasm. Experiment was performed on adult female Spra...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460800700102
更新日期:2008-02-01 00:00:00
abstract::Numerous beam directions using 3-D conformal techniques can be employed in treating tumors in the posterior fossa, each with characteristic normal tissue exposure along the entrance and exit trajectory. A representative variety of beam configurations were modeled in a modern computer planning system initially with the...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460300200611
更新日期:2003-12-01 00:00:00
abstract::Optical mammography is one of several new techniques for breast cancer detection and characterization presently under development for clinical use that provide information other than morphologic, in particular on the biochemical and metabolic state of normal and diseased tissue. In breast tissue, scattering of red to ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460500400503
更新日期:2005-10-01 00:00:00