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La radiologia medica

, Volume 115, Issue 4, pp 571–584 | Cite as

3 T magnetic resonance imaging of the musculoskeletal system

  • G. GuglielmiEmail author
  • N. Biccari
  • F. Mangano
  • R. Toffanin
Musculoskeletal Radiology/Radiologia Muscolo-Scheletrica

Abstract

The increasing distribution of high-field (3 T) magnetic resonance (MR) systems for clinical use has been accompanied by the need to fully understand the advantages and disadvantages that the increase in signal quality confers. Continuous development of the coils is required to fully express the potential of these systems, especially given the synergy between parallel imaging and the recent multichannel phased-array coils, which are able to improve image quality, spatial resolution and diagnostic accuracy in musculoskeletal imaging. The increase in signal offered by the high field makes possible improved visualisation of bone, cartilage, tendons and ligaments. This advantage, together with increased spatial resolution, is particularly useful when studying joints or some of their components, the evaluation of which has produced suboptimal results in non arthrographic examinations such as the glenoid labrum of the shoulder and the articular cartilage of the knee. Thanks to the greater signal-to-noise ratio and improved spatial resolution, MR imaging at 3 T is able to notably increase diagnostic performance in the musculoskeletal setting, with a consequent improvement in patient treatment and management.

Keywords

High field MR High resolution MR Quantitative MR Musculoskeletal system 

Risonanza magnetica a 3 T dell’apparato muscolo-scheletrico

Riassunto

Ad una maggiore diffusione di apparecchiature ad alto campo (3 T) ad utilizzo clinico si accompagna la necessità di comprendere appieno i vantaggi e gli svantaggi apportati dall’incremento della quantità di segnale. Un continuo sviluppo delle bobine è necessario per esprimere il potenziale di tali apparecchiature, specialmente in considerazione della sinergia esistente tra imaging parallelo e le recenti bobine multicanale phased array, in grado di migliorare qualità dell’immagine, risoluzione spaziale ed accuratezza diagnostica in ambito muscoloscheletrico. L’incremento del segnale offerto dall’alto campo consente una migliore visualizzazione delle strutture ossee, tendinee, cartilaginee e legamentose. Tale vantaggio, unito ad una maggiore risoluzione spaziale, risulta particolarmente utile nello studio delle articolazioni o di alcune loro componenti fino ad oggi valutabili in maniera subottimale con esami non artrografici, quali il labbro glenoideo della spalla e la cartilagine articolare del ginocchio. Grazie al maggiore rapporto segnale/rumore ed alla maggiore risoluzione spaziale, l’imaging in risonanza magnetica (RM) a 3 T è in grado di incrementare notevolmente la capacità diagnostica in campo muscolo-scheletrico, con conseguente miglioramento della cura e della gestione del paziente.

Parole chiave

RM ad alto campo RM ad elevata risoluzione RM quantitativa Apparato muscolo-scheletrico 

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Copyright information

© Springer-Verlag Italia 2010

Authors and Affiliations

  • G. Guglielmi
    • 1
    • 2
    • 4
    Email author
  • N. Biccari
    • 1
  • F. Mangano
    • 1
  • R. Toffanin
    • 3
  1. 1.Dipartimento di Diagnostica per ImmaginiUniversità degli Studi di FoggiaFoggiaItaly
  2. 2.U.O. Radiologia Muscoloscheletrica, IRCCS Ospedale “Casa Sollievo della Sofferenza”San Giovanni Rotondo (FG)Italy
  3. 3.ARCHESCastellana Grotte (BA)Italy
  4. 4.Cattedra di RadiologiaUniversità degli Studi di FoggiaFoggiaItaly

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