Scan Time Acceleration by Using Multi-contrast Keyhole Imaging (McK) for the Identification of (Acute) Apical Periodontitis
Anna-Katinka Bracher 1 , Volker Rasche 1 , Erich Hell 2 , Johannes Ulrici 2 , and Axel Bornstedt 1
Internal Medicine II, University Hospital of
Ulm, Ulm, BW, Germany,
Dental Systems, Bensheim, HE, Germany
The diagnosis of apical periodontitis and the
differentiation between acute and chronic lesions with
MRI requires images of identical anatomy with different
contrasts (T1w and T2w). A reduction of examination time
can be obtained by sharing the information of high
frequency components of k-space. Using the information
of an high resolution reference scan (T1w) a high
resolution multi contrast image of a low-resolution T2w
scan of the same anatomy can be provided.
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