This study aims to compare subjective image quality and diagnostic accuracy of a photon counting detector computed tomography (PCD-CT) scanner compared with an energy integrating detector (EID)-CT scanner as the reference standard.
Who can participate
SexALL
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Inclusion Criteria:
* Patient admitted for non-contrast enhanced CT scan of the upper or lower extremity at the radiology department of Balgrist University Hospital
* Signed general consent ("Information zur Weiterverwendung gesundheitsbezogener Daten und Proben zu Forschungszwecken")
* \>18 years of age
* Written consent to participate in this study
Exclusion Criteria:
* Clinically significant concomitant disease states (e.g., renal failure, hepatic dysfunction, cardiovascular disease, etc.)
* Women: pregnancy
* Age below 18 years
* Known or suspected non-compliance, drug or alcohol abuse
* Inability to consent and/or follow the procedures of the investigation, e.g. due to language problems, psychological disorders, dementia, etc. of the subject
* Enrolment of the PI, his/her family members, employees and other dependent persons
* Body mass above 200 kg.
* Body mass below 31 kg.