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Accessory left atrial appendage

Case contributed by Dr Arkadi Tadevosyan

Presentation

Post-surgical state due to Stanford A aortic dissection graft repair. Suddenly noticed septae in atrial septae by follow up ultrasound.

Patient Data

Age: 50 years
Gender: Male

4mm triangular-shaped outpouching from the superomedial wall of the left atrium,  which has a wide base and smooth margins consistent with a left atrial accessory appendage.

Aortic size is within its normal limits. Poststernotomy wires are noted.

Case Discussion

High-resolution cardiac CT represents a unique and non-invasive tool to assess subtle anatomic cardiac anatomy and morphology. According to studies accessory left atrial appendages and diverticula can be found in more than one-fifth of subjects undergoing cardiac CTA and are more common in men. 
Accessory left atrial appendages tend to be smaller than diverticula and are more commonly found on the left lateral atrial wall. 

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Case information

rID: 81987
Published: 13th Sep 2020
Last edited: 15th Sep 2020
System: Cardiac
Inclusion in quiz mode: Included
Institution: "AMC" Yerevan

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