Urinary system

• papillary urothelial neoplasm of low malignant potential
  24 May 2013

  PUNLMP - WHO/ISUP Classification, 2004 WebPathology
  Papillary urothelial neoplasms of low malignant potential (PUNLMP) show urothelial thickening but lack cytologic features of malignancy.
  The image shows several papillary fragments with an orderly arrangement of cells. Umbrella cell layer can be recognized even at low magnification.
  PUNLMPs are characterized by a homogenous monotonous appearance, normal to slightly enlarged nuclei and inconspicuous nucleoli. Mitotic figures are (...)

• urothelial papilloma
  24 May 2013

  Webpathology
  Definition : Urothelial papillomas do not show any appreciable thickening of the lining urothelium.
  Cross-sectional view of papillary fronds showing showing 4 to 6 layers of normal-appearing urothelium. In some cases, tangential sectioning may give a false impression of increased urothelial thickness.
  The umbrella cells show prominent vacuolization in some fronds. Urothelial papillomas pursue a benign clinical course and recur uncommonly. In rare cases, they progress to (...)

• urothelial neoplasms
  24 May 2013

  transitional cell tumors, urothelial anomalies, urothelial tumors; urothelial proliferations
  Types
  papillary urothelial neoplasms papillary urothelial hyperplasia urothelial papilloma papillary urothelial neoplasm of low malignant potential (PUNLMP ) low-grade papillary urothelial carcinoma (LGPUC ) high-grade papillary urothelial carcinoma (HGPUC )
  flat urothelial lesions
  inverted urothelial neoplasms
  urothelial carcinoma (or transitional cell carcinoma - TCC)
  See also (...)

• transitional cell carcinoma
  24 May 2013

  urothelial carcinoma WP
  Transitional cell carcinoma (TCC), also urothelial cell carcinoma or (UCC), is a type of cancer that typically occurs in the urinary system: the kidney, urinary bladder, and accessory organs.
  It is the most common type of bladder cancer and cancer of the ureter, urethra, and urachus. It is the second most common type of kidney cancer, but accounts for only five to 10 percent of all primary renal malignant tumors.
  TCC arises from the transitional epithelium, a (...)

• urothelium
  20 April 2013

  urothelial cells; transitional epithelium WKP
  Images
  Normal urothelium : http://www.webpathology.com/image.asp?case=49&n=1
  The normal urothelial lining varies in thickness from two layers to seven layers of cells, depending upon the degree of distension of the bladder. A surface umbrella cell layer can be seen. The urothelial lining in this image is 3 to 5 layers thick. Umbrella cell layer is prominent. The underlying lamina propria contains a rich capillary network.
  The basal (...)

• inverted urothelial papilloma
  30 September 2012

  urothelial inverted papilloma ; inverted papilloma of the bladder
  Definition: Inverted papilloma of the urinary bladder is rare, accounting for

• invasive low-grade papillary urothelial carcinoma
  31 July 2012

  invasive LGPUC
  See also
  papillary urothelial carcinoma (PUC ) low-grade papillary urothelial carcinoma (LGPUC )
  References
  Invasive low-grade papillary urothelial carcinoma: a clinicopathologic analysis of 41 cases. Toll AD, Epstein JI. Am J Surg Pathol. 2012 Jul;36(7):1081-6. PMID: #22510761#

• urothelial carcinoma grade 3
  11 February 2012

  Digital case
  UI:372 : Urothelial carcinoma grade 3 (bladder)
  See also
  urothelial carcinomas

• urothelial carcinoma grade 1
  11 February 2012

  Digital case
  UI:363 : Urothelial carcinoma grade 1 (transitional cell carcinoma grade 1)
  Synopsis
  papillary growth pattern
  multiple fronds of tumor on vascular stalks
  See also
  urothelial carcinomas

• urothelial carcinoma in situ
  11 February 2012

  urothelial Cis;Urothelial Carcinoma-in-situ PO
  Definition: Carcinoma in situ (CIS), as urothelial dysplasia , is related to recurrence and progression of urothelial carcinoma.
  Images
  http://www.webpathology.com/image.asp?n=7&Case=57
  Digital cases
  UI:513 : Urothelial carcinoma (transitional cell carcinoma) in-situ
  Types
  papillary urothelial anomalies
  flat urothelial anomalies
  Differential (...)

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