Question:

What is the most likely diagnosis given in the image?

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A ball of biceps muscle in the lower arm after tendon rupture.
Updated On: Jun 23, 2026
  • Popeye's sign
  • Griesinger sign
  • Rising sun sign
  • Winner sign
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The Correct Option is A

Solution and Explanation

Step 1: The image shows an obvious bulge in the anterior mid-upper arm that becomes more prominent on elbow flexion.
Step 2: This is the Popeye sign (Popeye deformity). It is caused by the biceps muscle belly bunching up distally after rupture of the long head of the biceps tendon, giving the cartoon-like ball of muscle in the lower arm.
Step 3: Griesinger sign is retroauricular oedema from sigmoid sinus thrombosis. The rising sun sign refers to the ocular finding in toxoplasmosis or to a setting-sun eye sign in hydrocephalus. Winner sign is not a recognised orthopaedic eponym. The arm bulge from biceps tendon rupture is the Popeye sign.
Ref: QJM, An International Journal of Medicine.
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