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Titolo:
SPONTANEOUS DISSECTIONS OF THE INTERNAL CAROTID-ARTERY - APPEARANCES ON COLOR DOPPLER ULTRASOUND
Autore:
SIDHU PS; JONKER ND; KHAW KT; PATEL N; BLOMLEY MJK; CHAUDHURI KR; FRACKOWIAK RSJ; COSGROVE DO;
Indirizzi:
UNIV LONDON KINGS COLL HOSP,DEPT DIAGNOST RADIOL,DENMARK HILL LONDON SE5 9RS ENGLAND HAMMERSMITH HOSP,DEPT DIAGNOST RADIOL LONDON W12 0NN ENGLAND HAMMERSMITH HOSP,DEPT NEUROL LONDON W12 0NN ENGLAND
Titolo Testata:
British journal of radiology
, volume: 70, anno: 1997,
pagine: 50 - 57
Fonte:
ISI
Lingua:
ENG
Soggetto:
MANAGEMENT; SONOGRAPHY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
27
Recensione:
Indirizzi per estratti:
Citazione:
P.S. Sidhu et al., "SPONTANEOUS DISSECTIONS OF THE INTERNAL CAROTID-ARTERY - APPEARANCES ON COLOR DOPPLER ULTRASOUND", British journal of radiology, 70, 1997, pp. 50-57

Abstract

Spontaneous dissection of the internal carotid artery (ICA) is an unusual finding. We present an analysis of five patients (aged 40-60 years) with ICA dissections, describing the various flow patterns detectedon colour Doppler ultrasound. Particular attention was paid to the presence of a dual lumen, the direction of flow in the false lumen and the velocity/spectral broadening of the Doppler trace obtained from thetrue and false lumens. Four different patterns were observed. Narrowing of the true lumen by the false lumen thrombus was seen in two caseswith a low velocity Doppler waveform: three cases had a patent false lumen (''double lumen'' pattern); the direction of flow in the patent false lumen varied from being (i) forward, (ii) reversed and (iii) bidirectional. The flow dynamics in carotid dissections are complex and are primarily dependent upon the presence of thrombus within the false lumen, the entry and exit flaps if the false lumen is patent. the motion of the flap wall and the extent of the dissection. They illustrate the diverse nature of the disease and Doppler ultrasound plays an important role in the Imaging of ICA dissections.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/10/20 alle ore 09:28:57