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Left atrial appendage (LAA)

Case contributed by Dr Domenico Nicoletti



Patient Data

Age: 85 years
Gender: Male

CT chest with contrast

The left atrial appendage “chicken-wing” type in the retro-pulmonary artery configuration.

Case Discussion

The left atrial appendage (LAA) is a finger-like extension originating from the main body of the left atrium can be the main source of thrombi in patients with atrial fibrillation. The LAA has been divided into four shape types—cactus, chicken wing, wind sock, and cauliflower. The chicken wing is the most common subtype and is also associated with the least incidence of embolism in patients with LAA thrombus.

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Case information

rID: 86139
Published: 21st Jan 2021
Last edited: 23rd Jan 2021
System: Cardiac, Chest
Inclusion in quiz mode: Included

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