Edges and Mirrors
Edge Artifact Also - “Lateral Cystic Shadowing”
- Refraction artifact
- Soundwave bends away
-
At edge structure with different echogenicity (often fluid)
- Gallbladder
- Important to not mistake for stone
Narration
Edge Artifact
- Liver and kidney interface
- Not fluid
Narration
Mirror Image Artifact
-
Other side of strong reflector
- Diaphragm, pericardium
- i.e. liver appearance on other side of diaphragm
- Is normal: excludes pleural effusion
Narration
Mirror Image Artifact
- Presence of mirroring is normal
- Opposite would be pleural effusion: spine sign
- No mirror image seen
Narration
Mirror Image Artifact
- Here behind strong reflector - pericardium
Narration
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