Calcifying pulmonary metastases (mnemonic)

Last revised by Dr David Luong on 27 Aug 2021

A useful mnemonic to remember the causes of calcifying pulmonary metastases is:

  • BOBCAT

Mnemonic

  • B: bone (chondrosarcoma, osteosarcoma)
  • O: ovary
  • B: breast
  • C: colon
  • A: any primary post-chemotherapy
  • T: thyroid and testis 

 

Another useful mnemonic is BOTTOM.

  • B: Breast
  • O: Osteosarcoma
  • T: Testicular
  • T: Thyroid
  • O: Ovarian
  • M: Mucinous adenocarcinoma

 

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