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Titolo:
MRI in staging advanced gastric cancer: Is it useful compared with spiral CT?
Autore:
Kim, AY; Han, JK; Seong, CK; Kim, TK; Choi, BI;
Indirizzi:
Seoul Natl Univ, Coll Med, Dept Radiol, Seoul, South Korea Seoul Natl Univ Seoul South Korea Med, Dept Radiol, Seoul, South Korea Seoul Natl Univ, Coll Med, Inst Radiat Med, Seoul, South Korea Seoul Natl Univ Seoul South Korea , Inst Radiat Med, Seoul, South Korea
Titolo Testata:
JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY
fascicolo: 3, volume: 24, anno: 2000,
pagine: 389 - 394
SICI:
0363-8715(200005/06)24:3<389:MISAGC>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
PREOPERATIVE ASSESSMENT; COMPUTED-TOMOGRAPHY; CONTRAST AGENT; DYNAMIC CT; EXTRASEROSAL INVASION; HELICAL CT; CARCINOMA; EFFICACY; ABDOMEN;
Keywords:
stomach, neoplasms; magnetic resonance imaging, comparative; studies; computed tomography, comparative studies;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Han, JK Seoul Natl Univ Hosp, Dept Radiol, Chongno Gu, 28 Yongon Dong, Seoul 110744, South Korea Seoul Natl Univ Hosp 28 Yongon Dong Seoul South Korea 110744 orea
Citazione:
A.Y. Kim et al., "MRI in staging advanced gastric cancer: Is it useful compared with spiral CT?", J COMPUT AS, 24(3), 2000, pp. 389-394

Abstract

Purpose: During the last decade, rapid progress has been made in MR technology. Our objective was to evaluate the role of MRI in staging advanced gastric cancer (AGC; gastric cancer invading the muscularis propria) and to compare it with that of spiral CT. Method: We prospectively performed both MR and CT examinations on 26 patients with AGC proven by endoscopic biopsy. Contrast-enhanced CT and nonenhanced MRI with a 1.0 T scanner using FLASH, HASTE, and true-FISP sequences were obtained in each patient after injection of antiperistaltic drug and ingestion of 1 L of tap water. Fifty-two sets of CT and MR images were analyzed by two radiologists in consensus without any information from other images. T and N staging of AGC was determined according to the TNM classification. All patients underwent surgery within 1 week after both examinations. Diagnostic accuracy of each staging of AGC on CT or MRI was evaluated by comparison with the pathologic results. Results: MRI was slightly superior to CT in T staging (81 vs. 73%, respectively; p < 0.05). Although MRI had a tendency to overstage the pathologic T2 cancer, positive predictability of T2 stage and sensitivity of T3 stage were high (100%, respectively). Regarding the N staging, CT was slightly superior to MRI (73 vs. 65%; p > 0.05). However, both CT and MRI demonstrated the tendency of understaging in N staging. Conclusion: Although MRI was superior to spiral CT in T staging, MRI cannot completely replace spiral CT in staging AGC because of its limitation in N staging.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 08/04/20 alle ore 11:45:38