Identification of bone marrow edema of the knee: diagnostic accuracy of dual-energy CT in comparison with MRI
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COMPUTED TOMOGRAPHY
Identification of bone marrow edema of the knee: diagnostic accuracy of dual‑energy CT in comparison with MRI Giovanni Foti1 · William Mantovani2 · Niccolò Faccioli3 · Giacomo Crivellari3 · Luigi Romano1 · Claudio Zorzi4 · Giovanni Carbognin1 Received: 25 March 2020 / Accepted: 12 August 2020 © Italian Society of Medical Radiology 2020
Abstract Background To assess the diagnostic accuracy of dual-energy computed tomography (DECT) in diagnosing bone marrow edema (BME) of the knee in traumatic and non-traumatic patients. Methods This prospective IRB approved study included 33 consecutive patients (20 males, 13 females; mean age of 52.2 years) evaluated with DECT (80 and 150 kV) and MRI within 6 days. Two experienced radiologists qualitatively and quantitatively evaluated DECT images. The accuracy values were calculated by using receiver operator curves (ROC) and area under the curve (AUC), using MRI as the reference standard. Inter-observer and intra-observer agreement were calculated with k-statistics. A p
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