Urinary bladder

• TURBT
  15 January

  TURBT : transurethral resection of bladder tumor
  See also
  TURB : transurethral resection of the prostate

• adenocarcinoma in bladder samples
  15 January

  Etiology
  bladder adenocarcinoma
  prostatic adenocarcinoma invading the bladder mucosa
  metastatic adenocarcinoma

• bladder PEComa
  16 February 2022

  bladder pecoma
  Images / Examples
  https://twitter.com/TexPathol/status/1212539038068023298
  https://twitter.com/ashokparameswar/status/1436526638196412420
  Molecular biology
  Malignant perivascular epithelioid cell neoplasm (PEComa) of the urinary bladder with TFE3 gene rearrangement PMID: #23797724#
  See also
  bladder tumors
  pecoma
  clear cell tumors

• vesical metastasis of a mammary lobular carcinoma
  1 October 2021

  Images
  https://twitter.com/Andres_M_Acosta/status/1443578843642548246
  See also
  vesical metastasis
  mammary lobular carcinoma

• microcystic urothelial carcinoma
  17 September 2021

  Differential diagnosis
  cystitis cystica
  Images
  https://twitter.com/GladellPaner/status/1438111911304998919

• vesical amyloidosis
  17 September 2021

  amyloidosis of the urinary bladder
  Images
  https://twitter.com/BWHPath/status/1432373300156534784
  Synopsis
  diffuse accumulation of an amorphous eosinophilic material in the sub-epithelial connective tissue
  See also
  vesical anomalies

• verruquous metaplasia of the bladder
  5 August 2021

  Images
  https://twitter.com/evacomperat/status/1423158481201270793
  See also
  vesical anomalies

• bladder adenocarcinoma
  5 August 2021

  Adenocarcinoma of the urinary bladder PO
  Types
  Intestinal type (or enteric type): Resembles colonic adenocarcinoma (Cancer 1991;67:2165) Neoplastic glands are lined by pleomorphic mucin producing pseudostratified columnar epithelium Central dirty necrosis is commonly seen
  Mucinous (colloid) type: Nests of neoplastic cells floating in abundant extravasated mucin Singly dispersed or groups of signet ring cells can be seen in the mucin pools Mucin usually deeply invades muscularis (...)

• interstitial cystitis
  21 February 2021

  WKP
  See also
  cystitis

• intestinal metaplasia of the vesical mucosa
  6 December 2020

  Examples
  https://twitter.com/Andres_Matoso
  See also
  intestinal metaplasia
  vesical mucosa

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