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Left atrial myxoma

Case Study
Flamm, Scott, M.D. Cleveland Clinic USA

Patient history

A 51-year-old female with a history of transient ischemic attacks and shortness of breath, presented for an MR examination at the Cleveland Clinic, Ohio, USA.

MR examination

MRI was performed using an Achieva 1.5T XR scanner with the SENSE XL Torso coil.

 

Single-shot SSFP and half Fourier acquired single-shot turbo spin echo (ssTSE) images were acquired to delineate the anatomy.

 

Cine SSFP images were acquired in multiple orientations to visualize the mass throughout the cardiac cycle.

 

T2-weighted black blood and short tau inversion recovery (STIR) images were acquired in the same orientations to characterize the tissue composition of the mass.

 

All images were acquired with VCG gating during short (typically 8-14 second) breath holds, except the ssTSE images which were acquired with respiratory triggering during free breathing.

 

 

ExamCard used:

Images

SSFP STIR
SSFP
STIR

 

The SSFP image shows a well defined mass (red arrows) with intermediate signal in the left atrium that is attached to the interatrial septum. There is no obstruction of the mitral valve.

 

The STIR image shows heterogeneous, high signal in the left atrial mass (red arrows) that is attached to the interatrial septum.

Diagnosis

Left atrial myxoma.

Clinical impact of Achieva 1.5T XR

The Achieva 1.5T XR helped in visualizing the presence and extent of the mass.

 

Even when the Achieva XR is running at 1.5T, it has the gradient capabilities of a 3.0T scanner. This allows shorter TRs and TEs and, as a result, in the same breath hold, accomplishes imaging that has higher spatial resolution, higher temporal resolution, or both. Another advantage of the Achieva 1.5T XR are the shorter scan times, reducing examination times.

 

The integration of ExamCards with the Extended Workspace (EWS) is particularly advantageous. With the customizable display protocols and the tight integration with the EWS display protocols, series of long and short axis images can be displayed on a single screen and all be synchronized.

 

 

Related information:



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Case Study
Achieva 1.5T XR
Release 2.6
Quasar Dual
Cardiac, Cardiac Morphology, Function Cine, Function Non-Cine, heart
 

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