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The comet tail sign is a radiological finding seen in chest CT. It refers to a specific appearance resembling a comet's tail, characterised by a bright, streaky opacity due to the presence of a round atelectasis in chest CT.
This allows for the detection of a pneumothorax with the absence of normal ‘lung-sliding’ and ‘comet-tail’ artifact (seen on the ultrasound screen). Compared with supine chest radiography , with CT or clinical course as the gold standard, bedside sonography has superior sensitivity (49–99% versus 27–75%), similar specificity (95 ...
Comet sign; Comet tail sign (CT thorax) ... Rat tail sign; Reverse 3 sign; ... Target sign (Ultrasound) Teacup calcification (breast)
Another imaging modality, which is ultrasound elastography, is also useful in diagnosing thyroid malignancy especially for follicular thyroid cancer. However, it is limited by the presence of adequate amount of normal tissue around the lesion, calcified shell around a nodule, cystic nodules, coalescent nodules.
Related: Utah Mom Fled Ethnic Cleansing in Myanmar with Young Family.Then Husband Killed Them in Murder-Suicide. The husband and wife had recently decided to separate at the time of the alleged ...
A rare comet is still glowing over Ohio. Here's how to see it before it's gone, and won't return for 80,000 years. ... I still can't get over how long the tail is and likely the best comet I'll ...
Ultrasound findings may show thickened gall bladder wall, tiny anechoic spaces (Rokitansky–Aschoff sinuses or RAS), and twinkling artifact (or comet-tail reverberation). Comet tail reverberation, which is due to reflections from cholesterol crystals, is a highly specific sign for adenomyomatosis. [8] On CT scan, it may show rosary sign ...
An Ohio man allegedly slammed a 15-month-old girl on the floor after she wouldn’t stop crying, fracturing her skull. Two weeks later, she died of her injuries.