MR Imaging of Bone Metastases and Choice of Sequence: Spin Echo, In-Phase Gradient Echo, Diffusion, and Contrast Medium

Daniel Vanel; Roberto Casadei; Marco Alberghini; Manel Razgallah; Maurizio Busacca; Ugo Albisinni

doi:10.1055/s-0029-1220880

Seminars in Musculoskeletal Radiology, Inhaltsverzeichnis

Semin Musculoskelet Radiol 2009; 13(2): 097-103
DOI: 10.1055/s-0029-1220880

MR Imaging of Bone Metastases and Choice of Sequence: Spin Echo, In-Phase Gradient Echo, Diffusion, and Contrast Medium

Daniel Vanel¹ ^, ² , Roberto Casadei⁴ , Marco Alberghini⁵ , Manel Razgallah² ^, ³ , Maurizio Busacca¹ , Ugo Albisinni¹

¹Department of Radiology, Institut Rizzoli, Bologna, Italy
²Department of Radiology, Institut Gustave Roussy, Villejuif, France
³Department of Radiology, Institut Charles Nicolle, Tunis, Tunisia
⁴Department of Surgery, Institut Rizzoli, Bologna, Italy
⁵Department of Pathology, Institut Rizzoli, Bologna, Italy

Abstract

ABSTRACT

Magnetic resonance imaging (MRI) is the only imaging technique allowing the direct visualization of the bone marrow and is the most sensitive to detect bone metastases. Sensitivity is high, but a good understanding and an informed choice of acquisition sequences can easily improve specificity. Fat and water distribution (spin echo), indirect visualization of bone trabeculae (in-phase gradient echo), evaluation of bone edema and cell density (diffusion), and the study of vascularization (contrast medium) should be cleverly combined to enable good detection and lesion characterization.

KEYWORDS

Bone metastases (MR) - vertebral collapse (MR) - bone metastases (in-phase gradient echo) - bone metastases (MR diffusion)

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Referenzen

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Daniel VanelM.D.

Anatomia Patologica, The Rizzoli Institute

Via Di Barbiano 1/10, 40106, Bologna, Italy

eMail: daniel.vanel@ior.it