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Multiple Choice

Which of the following is NOT a characteristic of a simple breast cyst?

Simple breast cysts are fluid-filled spaces that look anechoic on ultrasound, typically round or oval with smooth, thin walls and posterior acoustic enhancement. They should have no internal echoes. An irregular shape with internal echoes, on the other hand, signals complexity—possible debris, hemorrhage, infection, or a solid component—which is not a feature of a simple cyst. So the description of an irregular shape with internal echoes does not fit a simple breast cyst.

Simple breast cysts are fluid-filled spaces that look anechoic on ultrasound, typically round or oval with smooth, thin walls and posterior acoustic enhancement. They should have no internal echoes. An irregular shape with internal echoes, on the other hand, signals complexity—possible debris, hemorrhage, infection, or a solid component—which is not a feature of a simple cyst. So the description of an irregular shape with internal echoes does not fit a simple breast cyst.