Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
MR TOMOGRAPHY WITH FAST-SPIN-ECHO SEQUENCES - RESULTS IN THE ENT REGION
Autore:
BRUNING R; NAEGELE M; HEUK A; SEELOS K; KUNZE V; SCHNAKENBERG D; REISER M;
Indirizzi:
UNIV BONN,RADIOL KLIN,SIGMUND FREUD STR 25 W-5300 BONN 1 GERMANY
Titolo Testata:
RoFo. Fortschritte auf dem Gebiete der Rontgenstrahlen und der neuenbildgebenden Verfahren
fascicolo: 5, volume: 158, anno: 1993,
pagine: 445 - 450
SICI:
0936-6652(1993)158:5<445:MTWFS->2.0.ZU;2-1
Fonte:
ISI
Lingua:
GER
Soggetto:
GD-DTPA; OROPHARYNX; TONGUE;
Keywords:
MRI; T2-SPIN-ECHO; HEAD AND NECK; FAST IMAGING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
R. Bruning et al., "MR TOMOGRAPHY WITH FAST-SPIN-ECHO SEQUENCES - RESULTS IN THE ENT REGION", RoFo. Fortschritte auf dem Gebiete der Rontgenstrahlen und der neuenbildgebenden Verfahren, 158(5), 1993, pp. 445-450

Abstract

The use of T2-weighted spin-echo sequences is mandatory for identifying tumours in the ENT region and for differential diagnosis of pathological findings. A highly promising alternative to time-consuming conventional SE sequences is now available in the fast-spin-echo sequences (FSE). FSE was compared with the conventional SE (CSE) basing on 100 assessments of examinations of 20 patients. Results: Conventional SE = TR/TE = 1800/90 ms with one average (NEX), FSE = TR/TE = 3200/120 ms with 4 averages (NEX). Measurement time CSE 6:59 min, FSE 3:12 min. Analysis was performed in analogy to on ROC analysis by 5 radiologists asa blind study. The anatomic differentiation and contrast performance were compared as well as the differentiation and definition of lesion and lymphatic node and a subjective overall assessment. Differentiation of pathological findings was the same with both sequences. FSE was superior to CSE in the visualisation of normal tissue, lymph nodes and also in the subjective overall assessment. The following criteria wereemployed in the subjective overall valuation: sum total of impressions gathered from contrast behaviour or performance, susceptibility to artifacts, and signal-to-noise ratio. Due to the definitely improved parameters of image quality and the markedly reduced scanning time - which is reduced to 50% - FSE will replace the conventional spin-echo sequence in routine diagnostics.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 08/07/20 alle ore 08:05:00