ESSIC classification of BPS
  • The European Society for the Study of Interstitial Cystitis (ESSIC) has created a consensus on criteria, classification and nomenclature1
  • BPS can be classified based on morphological findings of bladder biopsy and findings at
    cystoscopy with hydrodistention:1

Hunner’s lesions and/or glomerulations = BPS with bladder lesions

a Cystoscopy: glomerulations grade 2-3
b With or without glomerulations
c Histology showing inflammatory infiltrates and/or detrusor mastocytosis
and/or granulation tissue and/or intrafascicular fibrosis

Adapted from van de Merwe et al. 20081

  1. van de Merwe JP et al. Eur Urol 2008; 53(1): 60-67.