Erlenmeyer flask deformity (mnemonic)

Dr Daniel J Bell and Radswiki et al.

Some of the causes of an Erlenmeyer flask deformity can be recalled with the following mnemonics:

  • Lead GNOME
  • APC(de)FGH


  • Lead: lead poisoning
  • G: Gaucher disease
  • N: Niemann-Pick disease
  • O: osteopetrosis
  • M: metaphyseal dysplasia (Pyle disease) and craniometaphyseal dysplasia
  • E: 'ematological, e.g. thalassemia
  • A: achondroplasia
  • P: osteoPetrosis
  • C: craniometaphyseal dysplasia
  • F: fibrous dysplasia
  • G: Gaucher disease
  • H: haemoglobinopathy: thalassemia and sickle cell disease
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Article information

rID: 12967
Section: Mnemonics
Synonyms or Alternate Spellings:
  • APC(de)FGH (mnemonic)
  • Lead GNOME (mnemonic)
  • CHONG (mnemonic)

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Cases and figures

  • Case 1: osteopetrosis
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