bullous cystitis


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  • Clinical

    • hx of catheter, fistula

  • Histology

    • papilla with fibrovascular core
    • stroma: edema, inflammation

  • Spectrum entities

    • papillary cystitis
      • slender papillae
    • polypoid cystitis
      • thick papillae
    • bullous cystitis
      • papillae width > length

  • Ddx

    • papillary urothelial neoplasms
      • branching papillae
    		•