Key result
Magnetic resonance imaging and computed tomography can assess atrioventricular groove lesions and provide a logical framework for differential diagnosis.
This pictorial essay provides a logical framework for the differential diagnosis of atrioventricular groove lesions using cardiac MRI and CT.
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May support MRI/CT evaluation of atrioventricular groove lesions; leaves open prospective validation in clinical practice.
The atrioventricular (AV) groove constitutes the anatomic space separating the atria and ventricles. The AV groove is often difficult to visualize at echocardiography, and suspected lesions can be further assessed with cardiac computed tomography or magnetic resonance imaging. AV groove lesions may originate from within the AV groove or extend into this space from adjacent structures. The differential diagnosis for AV groove lesions is often wide, but a precise diagnosis can sometimes be made. This pictorial essay illustrates the magnetic resonance imaging and computed tomography appearance of common and uncommon AV groove lesions, and attempts to provide a logical framework for differential diagnosis when confronted with a known or suspected lesion at cross-sectional imaging.
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James F. Glockner (2018) conducted a review in Atrioventricular groove lesions. Magnetic resonance imaging and computed tomography was evaluated. Magnetic resonance imaging and computed tomography can assess atrioventricular groove lesions and provide a logical framework for differential diagnosis.
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