Levator claviculae muscle-CT appearance of an unusual variant

The levator claviculae muscle is an infrequently recognized variant in humans, occurring in 2% to 3% of the population, and has rarely been reported in the radiologic or anatomic literature. The importance of this muscle to radiologists is in distinguishing it from an abnormality; most commonly, cervical adenopathy. It arises from the transverse processes of the upper cervical vertebrae and inserts in the lateral half of the clavicle. Reference- AJNR Am J Neuroradiol 20:583–586, April 1999

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