case_images: PMC3716025_01
case_images: Left arm mass also known as 'Popeye's' sign.
case_images: JCHIMP-3-20688-g001.jpg
case_images: PMC3716025_01_JCHIMP-3-20688-g001.jpg
case_images: F0001
case_images: The location of the mass is consistent with Popeye's sign, a hallmark of biceps tendon rupture (Fig. 1). As noted in Fig. 1, acute tendon rupture is classically associated with the 'Popeye' deformity, a visible or palpable mass present near the elbow or in the mid-upper arm.