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Comet tail artifact



MCQ 153

Q. Comet tail artifact is a type of 

a. reverberation artifact
b. side lobe artifact
c. posterior acoustic enhancement
d. posterior acoustic shadowing


ANSWER:

Answer : A (reverberation)
It is seen in gallbladder adenomyomatosis, caused by cholesterol crystals in Rokitansky-Aschoff sinuses.




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