Hysteroscopy and Abnormal Uterine Bleeding (AUB)

  • Sergio Haimovich
  • Roberto LiguoriEmail author


Authors stressed the role of outpatient hysteroscopy in diagnosing abnormal uterine bleeding in women in a fertile age and in this regard they debated about the new classification of AUB (PALM COEIN).

The acronym PALM COEIN comes from arranging nine basic categories of the classification system. The PALM group comprises the structural entities which can be measured visually or by using imaging techniques and histopathology. The COEIN group comprises the nonorganic types which cannot be defined by imaging or histopathology.

Future randomized trials are needed in order to improve the diagnostic approach to AUB, a very frequent gynecologic consultation in daily practice.


Abnormal uterine bleeding Hysteroscopy FIGO Classification PALM COEIN 


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Gynecology Ambulatory Surgery, Hillel Yaffe Medical CenterHaderaIsrael
  2. 2.Hysteroscopy UnitDel Mar University HospitalBarcelonaSpain
  3. 3.Hysteroscopic Surgical CenterVismedBariItaly

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