Chances and challenges of photon-counting CT in musculoskeletal imaging

Mourad, CharbelUniv Lausanne, Switzerland; Hop Libanais Geitaoui, Lebanon (author)

Funding Agencies|University of Lausanne
In musculoskeletal imaging, CT is used in a wide range of indications, either alone or in a synergistic approach with MRI. While MRI is the preferred modality for the assessment of soft tissues and bone marrow, CT excels in the imaging of high-contrast structures, such as mineralized tissue. Additionally, the introduction of dual-energy CT in clinical practice two decades ago opened the door for spectral imaging applications. Recently, the advent of photon-counting detectors (PCDs) has further advanced the potential of CT, at least in theory. Compared to conventional energy-integrating detectors (EIDs), PCDs provide superior spatial resolution, reduced noise, and intrinsic spectral imaging capabilities. This review briefly describes the technical advantages of PCDs. For each technical feature, the corresponding applications in musculoskeletal imaging will be discussed, including high-spatial resolution imaging for the assessment of bone and crystal deposits, low-dose applications such as whole-body CT, as well as spectral imaging applications including the characterization of crystal deposits and imaging of metal hardware. Finally, we will highlight the potential of PCD-CT in emerging applications, underscoring the need for further preclinical and clinical validation to unleash its full clinical potential.

Gallego Manzano, LuciaLausanne Univ Hosp CHUV, Switzerland; Univ Lausanne UNIL, Switzerland (author)
Viry, AnaisLausanne Univ Hosp CHUV, Switzerland; Univ Lausanne UNIL, Switzerland (author)
Booij, RonaldLinköpings universitet,Avdelningen för diagnostik och specialistmedicin,Medicinska fakulteten,Centrum för medicinsk bildvetenskap och visualisering, CMIV,Erasmus Univ, Netherlands(Swepub:liu)ronbo82 (author)
Oei, Edwin H. G.Erasmus Univ, Netherlands (author)
Becce, FabioUniv Lausanne, Switzerland (author)
Omoumi, PatrickUniv Lausanne, Switzerland (author)
Univ Lausanne, Switzerland; Hop Libanais Geitaoui, LebanonLausanne Univ Hosp CHUV, Switzerland; Univ Lausanne UNIL, Switzerland (creator_code:org_t)

By the author/editor: Mourad, Charbel; Gallego Manzano, ...; Viry, Anais; Booij, Ronald; Oei, Edwin H. G.; Becce, Fabio; show more...; Omoumi, Patrick; show less...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Radiology Nuclea ...

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