Metabolic Bone Diseases
Erlen Meyer Flask appearance on X-ray is a feature of
a. One important effect of Gaucher's Disease in bone is Necrosis. The Xray appearance resembles Necrosis due to other causes.
b. Another special feature is expansion of tubular bones specially the distal femur (due to replacement of myeloid tissue by Gaucher cells) producing the Erlenmeyer's flask appearance.