Erlenmeyer flask deformity

An Erlenmeyer flask deformity refers to a radiographic appearance typically on a femoral radiograph where there is relative constriction of the diaphysis and flaring of the metaphysis.

Causes include

The causes can also be remembered with the mnemonic CHONG or Lead GNOME.

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Article Information

rID: 1298
System: Musculoskeletal
Sections: Gamuts, Signs
Tag: refs
Synonyms or Alternate Spellings:
  • Erlenmeyer flask deformities
  • Erlenmeyer flask deformity
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    Figure 1: photograph - Erlenmeyer flasks
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    Gaucher disease
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    Pyle's disease
    Pyle disease
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