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Titolo:
Gd-BOPTA-enhanced excretory MR urography without administration of diuretics.
Autore:
Allkemper, T; Tombach, B; Heidel, W;
Indirizzi:
Univ Munster, Inst Klin Radiol, D-48129 Munster, Germany Univ Munster Munster Germany D-48129 in Radiol, D-48129 Munster, Germany
Titolo Testata:
ROFO-FORTSCHRITTE AUF DEM GEBIET DER RONTGENSTRAHLEN UND DER BILDGEBENDEN VERFAHREN
fascicolo: 2, volume: 173, anno: 2001,
pagine: 115 - 120
SICI:
1438-9029(200102)173:2<115:GEMUWA>2.0.ZU;2-O
Fonte:
ISI
Lingua:
GER
Soggetto:
MAGNETIC-RESONANCE UROGRAPHY; URINARY-TRACT; CONTRAST; DTPA; INJECTION; PHARMACOKINETICS; DIMEGLUMINE; AGENT;
Keywords:
MR, urography; MR, urinary tract; MR, contrast agents; Gd-BOPTA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: Allkemper, T Univ Munster, Inst Klin Radiol, Albert Schweitzer Str 33, D-48129 Munster,Germany Univ Munster Albert Schweitzer Str 33 Munster GermanyD-48129
Citazione:
T. Allkemper et al., "Gd-BOPTA-enhanced excretory MR urography without administration of diuretics.", ROFO-F RONT, 173(2), 2001, pp. 115-120

Abstract

Purpose: To evaluate the feasibility and clinical utility of Gd-BOPTA enhanced excretory magnetic resonance urography without additional administration of diuretics in correlation with conventional urography. Method: 15 preoperative patients with pelvic tumors were examined at 1.5 T using a breath-hold high-resolution 3D-FLASH sequence during first-pass as well as 5, 10, 15 minutes after iv. injection of 0.05 mmol/kg BW Gd-BOPTA (MultiHance(R)) without administration of diuretics. Post-processed coronal and multiplanarMIP reconstructions were compared to conventional excretory urography withregard to morphologic accuracy, anatomic variability, filling defects, cause and level of obstruction or compression, tumor visibility, and time-effectiveness by two independent radiologists. Results: Visualization of the urinary tract by MRU was comparable to conventional excretory urography in 14of 15 cases. Caliceal fornices were better delineated on conventional urographies, whereas MRU was considered superior in the assessment of the inferior ureter sections, the urinary bladder and obstructive tumors, whose extents could be clearly marked out. Examination times of both techniques were comparable. Conclusion: These first results show that non-diuretic Gd-BOPTAenhanced MRU is comparable to conventional excretory urography for the preoperative diagnosis of pelvic tumors. Further improvements of this technique seem possible by optimization of examination intervals and injection doses.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/09/20 alle ore 06:43:44