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Erlenmeyer flask deformity

Frontal radiograph of a 7-year-old boy showing diaphyseal constriction and metaphyseal flaring on both femora (Ehrlenmeyer flask deformity). (Courtesy of Dr. Ahmed Nasman. https://radiopaedia.org/cases/erlenmeyer-flask-deformity?lang=us. [Accessed 23 June 2022]. Creative Commons Attribution-Share Alike 3.0 Unported license. https://creativecom mons.org/licenses/by-sa/3.0/deed.en.)

Associated Disorders

  • Arthritis