In general imaging, anechoic refers to structures that appear completely black on an ultrasound image because they do not reflect sound waves. This lack of echoes is characteristic of fluid-filled areas such as cysts, blood vessels, or the gallbladder. Identifying anechoic structures is crucial for accurate diagnosis in medical ultrasound, helping differentiate between solid masses and fluid collections. Understanding anechoic regions aids in evaluating organ pathology and guiding interventional procedures. For precise general imaging interpretation, recognizing anechoic patterns is a fundamental skill for sonographers and radiologists.
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General Imaging
Other Definitions
Abdominal
Artifacts
Cardiac
Critical Care
Education/Administration
FAST/Trauma
General Imaging
Lung
MSK
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