comet-tail artifact
Comet tail
artifact • Thyroid colloid nodule - Ganzer Fall bei Radiopaedia
Adenomyomatosis
of the gallbladder • Gallbladder adenomyomatosis - diffuse - Ganzer Fall bei Radiopaedia
Adenomyomatosis
of the gallbladder • Gallbladder adenomyomatosis - Ganzer Fall bei Radiopaedia
Adenomyomatosis
of the gallbladder • Gallbladder adenomyomatosis - Ganzer Fall bei Radiopaedia
Comet tail
artifact • Inspissated colloid in a thyroid nodule - Ganzer Fall bei Radiopaedia
Comet tail
(disambiguation) • Comet tail (photo) - Ganzer Fall bei Radiopaedia
Comet tail
artifact • Calcified hepatic granulomata - Ganzer Fall bei Radiopaedia
Testicular
microlithiasis • Testicular microlithiasis - Ganzer Fall bei Radiopaedia
Comet tail
artifact • Colloid nodule (thyroid) - Ganzer Fall bei Radiopaedia
The comet-tail artifact is a grey-scale ultrasound finding seen when small calcific / crystalline / highly reflective objects are interrogated and is believed to be a special form of reverberation artifact.
It is similar to the color comet-tail artifact and is seen in similar situations, although is in general less sensitive than the latter.
- small renal or ureteric calculi
- small common bile duct stones
- adenomyomatosis of the gallbladder
- pancreatic calcifications of chronic pancreatitis
- testicular microlithiasis (sometimes)
- thyroid colloid nodules
- identification of foreign bodies
- surgical clips
- catheter tips
- debris / glass / metal
Differential diagnosis
Possible considerations include:
See also
Siehe auch:
- Artefakte in der Sonographie
- Chronische Pankreatitis
- Wiederholungsechos Ultraschall
- Farbdoppler-Kometenartefakt
- Kometenschweif-Zeichen
und weiter:
Assoziationen und Differentialdiagnosen zu Kometenschweif-Artefakte (Ultraschall):
