Avascular necrosis (AVN) of the humeral head in a patient with sickle cell disease

Plain radiographs of the right shoulder showing AVN of the humoral head in a pediatric patient with SCD and a normal control for comparison.

(A) Shoulder of a patient with SCD. There is enlargement of the humeral head with mild flattening (vertical arrows) and ill-defined areas of sclerosis (arrowheads).
(B) Normal shoulder (unaffected individual). Note the rounded articular surface and uniform lucency of the humeral head.

AVN: Avascular necrosis; SCD: sickle cell disease.

Courtesy of Alex George, MD, PhD.

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