The mnemonic
PALM-COEIN
What each word stands for
- PPolyp
- AAdenomyosis
- LLeiomyoma
- MMalignancy and hyperplasia
- CCoagulopathy
- OOvulatory dysfunction
- EEndometrial
- IIatrogenic
- NNot yet classified
Why it matters clinically
PALM is structural and COEIN is non-structural, guiding the investigation.
Where it stops being reliable
A classification only. It does not give treatment or tell which cause is commonest at each age.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.