Cheerio sign (shoulder)
The Cheerio sign has been described as a sign seen in a type III superior labral anterior posterior tear (SLAP lesion) of the glenoid labrum. In the cheerio sign, a rounded core of soft tissue is surrounded by a rim of contrast material and air.
SLAP type III is the bucket handle tear of the superior labrum without an involvement of biceps tendon. On CT arthrography, the anterior labrum folds, with contrast material and air surrounding it giving it an appearance similar to 'Cheerio' (oat and wheat flour breakfast cereal in the shape of a doughnut).
- 1. Hunter JC, Blatz DJ, Escobedo EM. SLAP lesions of the glenoid labrum: CT arthrographic and arthroscopic correlation. Radiology. 1992;184 (2): 513-8. Pubmed citation