Abstract:
PURPOSE:To develop and evaluate an automatic intensity-modulated radiation therapy (IMRT) program for cervical cancer, including a Convolution Neural Network (CNN)-based prediction model and an automated optimization strategy. METHODS:A CNN deep learning model was trained to predict a patient-specify set of IMRT objectives based on overlap volume histograms (OVH) and high-quality plan of previous patients. A total of 140 cervical cancer patients were enrolled in this study, including 100 patients in the training set, 20 patients in the validation set and 20 patients in the testing set. The input of this model was OVH data and the output were values of IMRT plan objectives. For patients in the testing set, the set of planning objectives were predicted by the CNN model and used to automatically generate IMRT plans. Meanwhile, manual plans of these patients were generated by 1 beginner planner and 1 senior planner respectively. Finally, dose distribution, dosimetric parameters and planning time were analyzed. In addition, the 3 types of plans were blinded compared and ranked by an experienced oncologist. RESULTS:There were almost no statistically differences among these 3 types of plans in target coverage and dose conformity. Dose homogeneity were slightly decreased while the average dose and parameters for most organs-at-risk (OARs) were decreased in automatic plans. Especially in comparison with manual plans by the beginner planner, V40 of bladder and rectum decreased 6.3% and 12.3%, while mean dose of rectum and marrow were 1.1 Gy and 1.8 Gy lower with automatic plans (either P < 0.017). In the blinded comparison, automatic plans were chosen as best plan in 14 cases. CONCLUSIONS:For cervical cancer, automatic IMRT plans optimized from the CNN generated objectives have superior dose sparing without compromising of target dose. It significantly reduced the planning time.
journal_name
Technol Cancer Res Treatjournal_title
Technology in cancer research & treatmentauthors
Jihong C,Penggang B,Xiuchun Z,Kaiqiang C,Wenjuan C,Yitao D,Jiewei Q,Kerun Q,Jing Z,Tianming Wdoi
10.1177/1533033820957002subject
Has Abstractpub_date
2020-01-01 00:00:00pages
1533033820957002eissn
1533-0346issn
1533-0338journal_volume
19pub_type
杂志文章abstract::In cryosurgery it is crucial that the performance of cryoprobes is predictable and constant. In this study we tested the intra- and interneedle variation between 17-gauge cryoprobes in two homogeneous mediums. Also, a multiprobe setup was tested. Cryoprobe performance was defined as the time it takes one cryoprobe to ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460800700406
更新日期:2008-08-01 00:00:00
abstract:PURPOSE:To investigate the role of intensity-modulated proton therapy (IMPT) for hepatocellular carcinoma (HCC) patients to be treated with stereotactic body radiation therapy (SBRT) in a risk-adapted dose prescription regimen. METHODS:A cohort of 30 patients was retrospectively selected as "at-risk" of dose de-escala...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033820980412
更新日期:2020-01-01 00:00:00
abstract::The response of the tumor microvasculature to ionizing radiation can be modified to improve tumor control in preclinical mouse models of cancer. Recent studies have shown that a variety of cancer drugs can improve the response of cancers to radiotherapy. Protein tyrosine kinase inhibitors (TKIs) have been shown to enh...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章,评审
doi:10.1177/153303460500400614
更新日期:2005-12-01 00:00:00
abstract::Poorly differentiated cell populations including tumor-initiating stem cells have been demonstrated to display a unique ability to natively internalize fragmented double-stranded DNA. Using this feature as a marker, we show that 0.1% to 6% of human glioblastoma cells from the bioptates can effectively internalize a fl...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533034617753812
更新日期:2018-01-01 00:00:00
abstract:BACKGROUND:Palliation of advanced disease using radiotherapy can create difficult clinical situations where standard computed tomography simulation and immobilization techniques are not feasible. We developed a linear accelerator-based radiotherapy simulation technique using nonstandard patient positioning for head and...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033819865623
更新日期:2019-01-01 00:00:00
abstract::Two noninvasive methods, thermography and laser Doppler imaging (LDI), were assessed for their ability to quantitatively assess parameters of vascularity in lesions of HIV-associated Kaposi's sarcoma (KS). Thermography and LDI images of a representative KS lesion were recorded in 16 patients and compared to normal ski...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460400300506
更新日期:2004-10-01 00:00:00
abstract::Despite remarkable progress in diagnosis and treatment, malignant glioma, a highly lethal cancer of the central nervous system, remains incurable. Although glioma stem-like cells (GSCs) represent a relatively small fraction of the cells in malignant glioma, they can proliferate and self renew extensively, being crucia...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.7785/tcrt.2012.500277
更新日期:2012-12-01 00:00:00
abstract::Recombinant Newcastle Disease Virus (rNDV) has shown oncolytic therapeutic effect in preclinical studies. Previous data indicate that rNDV carrying IL2 has shown promise in cancer therapy. Due to the significant side effects of IL2, IL15 has been introduced into cancer therapy. A number of studies have suggested that ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.7785/tcrt.2012.500414
更新日期:2015-10-01 00:00:00
abstract::We investigated the technique, early results and toxicity of curative stereotactic radiotherapy with the CyberKnife (Accuray Incorporated, Sunnyvale, California, USA) in 15 extracranial, extrapulmonary, extrahepatic, and extraspinal tumors. Fourteen tumors were located close to the bowel or esophagus. The PTV = GTV + ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460700600603
更新日期:2007-12-01 00:00:00
abstract:PURPOSE:To assess the efficacy of stereotactic body radiotherapy in patients with unresectable locally advanced pancreatic cancer. MATERIALS AND METHODS:All patients received a prescription dose of 45 Gy in 6 fractions. Primary end point was freedom from local progression. Secondary end points were overall survival, p...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533034616650778
更新日期:2017-06-01 00:00:00
abstract:PURPOSE:We recently developed a novel, open-source in vivo dosimetry that uses the electronic portal imaging device to detect dose delivery discrepancies. We applied our method on patients with rectal cancer treated on a belly board device. METHODS:In vivo dosimetry was performed on 10 patients with rectal cancer trea...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533034617711519
更新日期:2017-12-01 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: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::The study of the effectiveness of cryotherapy as a curative treatment for prostate cancer has often relied on the use of either in vitro cell culture monolayers or animal models. While the data gleaned from these studies have been valuable, each model has inherent limitations. In order to bridge the gap between in vit...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460700600204
更新日期:2007-04-01 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::Epithelial ovarian cancer has the highest mortality rate among the gynecologic cancers and spreads beyond the ovary in 90% of the women diagnosed with ovarian cancer. Detection before the disease has spread beyond the ovary would significantly improve the survival from ovarian cancer, which is currently only 30% over ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460400300612
更新日期:2004-12-01 00:00:00
abstract::The coupling mechanism between neuronal firing and cerebrovascular dilatation can be significantly compromised in cerebral diseases, making it difficult to identify eloquent cortical areas near or within resectable lesions by using Blood Oxygen Level Dependent (BOLD) fMRI. Several metabolic and vascular factors have ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.7785/tcrt.2012.500284
更新日期:2012-08-01 00:00:00
abstract::The aim of this paper is to study the feasibility for determining the individual internal target volume (ITV) for hepatocellular carcinoma (HCC) using 3DCT associated with active breathing coordinator (ABC), comparing the ITVs defined by 3DCT associated with ABC and 4DCT. Thirteen patients with HCC after transarterial...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303461101000610
更新日期:2011-12-01 00:00:00
abstract:UNLABELLED:The purpose of this study was to compare the prognostic value of the percentage of positive biopsy cores (PPBC), the percentage of cancer volume (PCV), and the maximum involvement of biopsy cores (MIBC) as a prognostic factor in low- and intermediate-risk patients with clinically localized prostate cancer wh...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.7785/tcrtexpress.2013.600271
更新日期:2014-06-01 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::Intensity-modulated radiation therapy (IMRT) has gained rapid and wide-spread acceptance in the radiation oncology community for its ability to create dose distributions that conform to the convoluted shapes of many tumors. It is a complicated treatment technique, for which quality assurance procedures are correspondi...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460600500504
更新日期:2006-10-01 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:OBJECTIVE:The main objective in studying large-scale cancer omics is to identify molecular mechanisms of cancer and discover novel biomedical targets. This work not only discovers the cancer subtypes in genome scale data by using clustering and classification but also measures their accuracy. METHODS:Initially, candid...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033818790509
更新日期:2018-01-01 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::This paper models steady state acoustic release of Doxorubicin (Dox) from Pluronic P105 micelles using Artificial Neural Networks (ANN). Previously collected release data were compiled and used to train, validate, and test an ANN model. Sensitivity analysis was then performed on the following operating conditions: ult...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460700600107
更新日期:2007-02-01 00:00:00
abstract:OBJECTIVE:The aim of the study was to investigate the prognostic role of neutrophil to lymphocyte ratio in ovarian cancer. Growing number of articles reported the relationship between neutrophil to lymphocyte ratio and prognosis in ovarian cancer, but the results remains inconclusive. The meta-analysis was conducted to...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章,meta分析
doi:10.1177/1533033818791500
更新日期:2018-01-01 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:OBJECTIVE:Nasopharyngeal carcinoma is highly endemic in Southeast China. Circulating tumor cell is an important biomarker in the prognosis of variety kinds of cancers. Overexpression of fibronectin 1 was observed in variety kinds of malignancies and may contribute to progress and metastasis of the cancers. The current ...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/1533033820909911
更新日期:2020-01-01 00:00:00
abstract::The purpose of this study was to evaluate the feasibility and treatment plans of intensity-modulated radiation therapy using helical tomotherapy (HT) for brain metastases. Twenty-three patients with 1 to 4 brain metastases were treated with HT. In combination with whole-brain radiotherapy (simultaneous plans), metasta...
journal_title:Technology in cancer research & treatment
pub_type: 杂志文章
doi:10.1177/153303460800700602
更新日期:2008-12-01 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