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1.
Eur J Radiol ; 177: 111577, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38905802

RESUMO

PURPOSE: This scoping review aimed to understand the advances in radiomics in esophagogastric junction (EGJ) cancer and assess the current status of radiomics in EGJ cancer. METHODS: We conducted systematic searches of PubMed, Embase, and Web of Science databases from January 18, 2012, to January 15, 2023, to identify radiomics articles related to EGJ cancer. Two researchers independently screened the literature, extracted data, and assessed the quality of the studies using the Radiomics Quality Score (RQS) and the METhodological RadiomICs Score (METRICS) tool, respectively. RESULTS: A total of 120 articles were retrieved from the three databases, and after screening, only six papers met the inclusion criteria. These studies investigated the role of radiomics in differentiating adenocarcinoma from squamous carcinoma, diagnosing T-stage, evaluating HER2 overexpression, predicting response to neoadjuvant therapy, and prognosis in EGJ cancer. The median score percentage of RQS was 34.7% (range from 22.2% to 38.9%). The median score percentage of METRICS was 71.2% (range from 58.2% to 84.9%). CONCLUSION: Although there is a considerable difference between the RQS and METRICS scores of the included literature, we believe that the research value of radiomics in EGJ cancer has been revealed. In the future, while actively exploring more diagnostic, prognostic, and biological correlation studies in EGJ cancer, greater emphasis should be placed on the standardization and clinical application of radiomics.


Assuntos
Neoplasias Esofágicas , Junção Esofagogástrica , Neoplasias Gástricas , Humanos , Junção Esofagogástrica/diagnóstico por imagem , Neoplasias Esofágicas/diagnóstico por imagem , Neoplasias Gástricas/diagnóstico por imagem , Prognóstico , Radiômica
2.
Curr Med Imaging ; 20: e15734056248152, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38676517

RESUMO

Standard multidetector computed tomography (MDCT) uses a single X-ray tube to emit a mixed energy X-ray beam, which is received by a single detector. The difference is that dual-energy CT (DECT), a new equipment in recent years, employs a single X-ray tube or two X-ray tubes to emit two single-energy X-ray beams, which are received by a single or two detectors. The application of dual-energy technology to portal venography has become one of the research hotspots. This paper will elaborate on the clinical application values of DECT portal venography in improving portal vein image quality, distinguishing the nature of portal vein thrombus, reducing contrast agent dose and radiation dose, and will discuss the possibility of its movement from research to routine practice and future development opportunities.


Assuntos
Meios de Contraste , Flebografia , Veia Porta , Humanos , Veia Porta/diagnóstico por imagem , Flebografia/métodos , Imagem Radiográfica a Partir de Emissão de Duplo Fóton/métodos , Doses de Radiação , Tomografia Computadorizada por Raios X/métodos , Trombose Venosa/diagnóstico por imagem , Tomografia Computadorizada Multidetectores/métodos
3.
Guang Pu Xue Yu Guang Pu Fen Xi ; 30(1): 38-41, 2010 Jan.
Artigo em Chinês | MEDLINE | ID: mdl-20302076

RESUMO

Anthocyanins are relatively abundant in vegetables and fruits, which have potential positive health effects. The role of anthocyanins as food coloring agents becomes very important because they can provide attractive bright color of many food products. Nevertheless, the instability of natural anthocyanins was a big obstacle for its usage in food as colorants. The stability of the red radish anthocyanins is significantly improved by modified esterification of the colorant. Usually, the red radish anthocyanins was composed of several components of similar structures. The major methods for determining the structures of anthocyanin colorants involve chromatographic techniques such as TLC, HPLC and HPLC-MS, which are very useful in separation and identification of the components of anthocyanins However, compared to the spectroscopic method, the chromatographic methods are usually complicated and time-consuming during separation and analysis. In the present paper, the authors seek to establish a new, rapid and economic method for the analysis of structural change before and after esterified modification of anthcyanins in view of unique macro-fingerprint characteristics of infrared spectroscopy, which could reflect the whole change of complicated mixture system. The anthocyanins from red radish was esterification-modified by reacting with succinic anhydride, and the natural and modified anthocyanins were detected by FTIR The results showed that carbonyl of succinic anhydride was connected with the hydroxyl in glucosyl rings of anthocyanins to form new esterified anthocyanins, which are more stable than the natural one and present attractive bright color as usual.


Assuntos
Antocianinas/análise , Corantes de Alimentos/análise , Espectroscopia de Infravermelho com Transformada de Fourier , Cor , Esterificação , Raphanus/química , Verduras
4.
Zhongguo Zhen Jiu ; 29(3): 227-30, 2009 Mar.
Artigo em Chinês | MEDLINE | ID: mdl-19358508

RESUMO

Based on leads provided by Neijing and other literature, analyze origins of the three-yin and the three-yang and the their respective contents of yin and yang, indicating the principle that the order of yang-qi from more to less is Yang ming, Tai yang, Shao yang, and the order of yin-qi is Tai yin, Shao yin, Jue yin. According to the location of five (six) zang-organs, respective yin-qi content is defined, and according to the principle of more yin-qi matches more, and less yin-qi matches less, five (six) zang-organs match each other. The zang-organs above the diaphragm joints with The Hand-Channels and the zang-organs below the diaphragm with The Foot-Channels, completing the nomenclature of twelve meridians. The names of the six yang-channels correspond to the yin-channels of the exterior-interior relationship, the yin-channels link with hands (feet), and the yang-channels also link with hands (feet), and the amount of yin-qi of the zang-organs corresponding to the yin-channels and the amount of yang-qi of the fu-organs corresponding to yang-channels are in a state of balance. Based on this principle, nomenclature of six channels are completed. Emphasize that the nomenclature of twelve meridians contains profound TCM theories, especially, TCM, by yin-yang, three-yin and three- yang, illustrates living phenomena from the whole to the system and organ level in human body, and the scientific principle "yin-yang can be unlimitedly divided" and its significance, which must guide the studies on living phenomena with modern life sciences from the whole to the molecular level.


Assuntos
Meridianos , Terminologia como Assunto , Yin-Yang , Humanos
5.
Zhongguo Zhen Jiu ; 28(6): 423-6, 2008 Jun.
Artigo em Chinês | MEDLINE | ID: mdl-18630540

RESUMO

After consulting literature, following the original meaning of the paper about slow-rapid reinforcing-reducing method in Huangdi's Internal Classic, in combination with explanation of later ages, and comprehension and clinical experience of the authors, it is put forward that the slow-rapid reinforcing-reducing method in Huangdi's Internal Classic is not single manipulation method, but it is a guiding principle for reinforcing-reducing manipulation, it includes many manipulation methods and they were listed, and all of the reinforcing-reducing methods of later ages are developed from these. In the teaching material Acupuncture and Moxibustion Sciences they are included in single reinforcing-reducing method, reducing extension and intension of this definition. The relative description in the teaching material only is slow-rapid reinforcing-reducing method of narrow sense, but the manipulations can be divided into qi-carrying manipulating needle type and three-one pushing-pulling type.


Assuntos
Terapia por Acupuntura/métodos , Medicina Tradicional Chinesa , Humanos
6.
Zhongguo Zhen Jiu ; 27(10): 715-20, 2007 Oct.
Artigo em Chinês | MEDLINE | ID: mdl-18257343

RESUMO

OBJECTIVE: To prove the therapeutic effect of ginger-partitioned moxibustion on leukopenia induced by chemotherapy and effect on life quality of the patient with tumor after chemotherapy. METHODS: Randomized, controlled, multi-central cooperative method was used and the patients confirmed to the enrolled criteria were divided in-to two groups. The test group were treated with ginger-partitioned moxibustion at Dazhui (GV 14), Geshu (BL 17), Pishu (BL 20), etc.; and the control group with oral administration of Chinese patent medicine. RESULTS: Out of the 221 cases confirmed to program analysis, 113 cases were in the test group and 108 cases in the control group. After 10 days, the cured rate and the effective rate were 84.1% and 66.4% in the test group and 35.2% and 33.3% in the control group, respectively, with very significant differences between the two groups (both P < 0.01); fifteen days later, the therapeutic effects in the two groups were maintained. The two methods could improve clinical symptoms, with the test group being better than the control group. Any adverse response was not found in the two groups, and the injuries of functions of the heart, lung and kidney induced by chemotherapy had some improvement. CONCLUSION: The therapeutic effect of ginger-partitioned moxibustion on luekopenia induced by chemotherapy is reliable and is better than oral administration of Chinese patent medicine, with a better duplication.


Assuntos
Antineoplásicos/efeitos adversos , Leucopenia/terapia , Moxibustão/métodos , Zingiber officinale , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
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