Pituitary region mass (mnemonic)

A useful mnemonic for remembering the differentials for pituitary region masses is:

  • SATCHMO 1,2



Some prefer adding an E at the end and moving 'histiocytosis' to this last letter as:


History and etymology

As the word Satchmo is best known as the nickname of Louis Armstrong, it is probably best to omit the ending E, especially as the term histiocytosis is preferred to eosinophilic granuloma.

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Article information

rID: 4617
Section: Mnemonics
Synonyms or Alternate Spellings:
  • MOuSTACHE (mnemonic)
  • SATCHMO (mnemonic)
  • SATCHMOE (mnemonic)
  • Pituitary region masses (mnemonic) -SATCHMO

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Cases and figures

  • Case 1: hamartoma
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  • Case 2: meningioma
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  • Case 3: craniopharyngioma
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  • Rathke Cleft Cyst T2
    Case 4: Rathke cleft cyst
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  • Case 5: metastasis
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  • Case 6: macroadenoma
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  • Case 7: aneurysm
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