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Titolo:
MR imaging of advanced gastric cancer: comparison of various MR pulse sequences using water and gadopentetate dimeglumine as oral contrast agents
Autore:
Kim, AY; Han, JK; Kim, TK; Park, SJ; Choi, BI;
Indirizzi:
Seoul Natl Univ, Coll Med, Dept Radiol, Seoul 110744, South Korea Seoul Natl Univ Seoul South Korea 110744 diol, Seoul 110744, South Korea Seoul Natl Univ, Coll Med, Inst Radiat Med, Seoul 110744, South Korea Seoul Natl Univ Seoul South Korea 110744 Med, Seoul 110744, South Korea
Titolo Testata:
ABDOMINAL IMAGING
fascicolo: 1, volume: 25, anno: 2000,
pagine: 7 - 13
SICI:
0942-8925(200001/02)25:1<7:MIOAGC>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
EXTRASEROSAL INVASION; ABDOMEN;
Keywords:
stomach; gastric cancer; magnetic resonance imaging; contrast media;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Han, JK Seoul Natl Univ, Coll Med, Dept Radiol, 28 Yongon Dong,Chongno Gu,Seoul 110744, South Korea Seoul Natl Univ 28 Yongon Dong,Chongno Gu SeoulSouth Korea 110744
Citazione:
A.Y. Kim et al., "MR imaging of advanced gastric cancer: comparison of various MR pulse sequences using water and gadopentetate dimeglumine as oral contrast agents", ABDOM IMAG, 25(1), 2000, pp. 7-13

Abstract

Background: To evaluate clinical usefulness of oral contrast agents (gadopentetate dimeglumine and water) and to assess proper magnetic resonance (MR) imaging in evaluating advanced gastric cancer (ACC) by comparing different MR imaging techniques. Methods: Fifteen patients with AGC were imaged with a 1.0-T MR imager and body-array coil. All patients underwent surgery or laparascopic biopsy. Fast low-angle shot (FLASH), half-Fourier single-shot turbo spin-echo (HASTE),and true fast imaging with steady-state precession time (FISP) images wereobtained after ingestion of 900 mL tap water in each patient, followed by postcontrast FLASH images after additional ingestion of gadopentetate dimeglumine (Gd-DTPA). Qualitative analysis including T-staging of AGC and scoring of imaging quality and quantitative analysis were performed prospectively. Results: In image quality and diagnostic accuracy of T-staging, FLASH imaging showed results slightly superior to those of other imaging modalities, and there was no great difference between using water and Gd-DTPA as an oral contrast agent. As for cancer-to-gastric lumen contrast-to-noise ratio (CNR), HASTE and true FISP imaging were superior to FLASH imaging with Gd-DTPA (p < 0.0001). In cancer-to-pancreas CNR, FLASH imaging without Gd-DTPA showed the best result. Conclusions: The use of Gd-DTPA as a positive contrast agent may not be imperative, and T1-weighted FLASH imaging in combination with true FISP imaging with ingestion of tap water can be very useful in evaluating AGC with MRimaging.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/05/20 alle ore 16:29:10