Anechoic areas
appear
completely black
on ultrasound because they don’t reflect sound waves
They usually indicate
fluid-filled structures
like cysts, blood vessels, amniotic fluid or the bladder
Concerning findings:
irregular shape, internal echoes, septations
— may indicate infection, abscess, or tumor
Benign
findings:
smooth, well-defined borders (like simple cysts or ovarian follicles)
Recognizing these areas is key for accurate diagnosis and proper patient care
Next steps:
follow-up imaging, specialist consultation, or treatment depending on the cause
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