WHO/ISUP classification of the urothelial tumors of the urinary bladder
<p><strong>Background:</strong> The authors present the current classification of urothelial neoplasms of the urinary bladder. The classification of urothelial tumors of the urinary bladder of 1973 was despite some imperfection relatively successfuly used for more than thirty years...
Main Author: | |
---|---|
Format: | Article |
Language: | English |
Published: |
Slovenian Medical Association
2005-09-01
|
Series: | Zdravniški Vestnik |
Subjects: | |
Online Access: | http://vestnik.szd.si/index.php/ZdravVest/article/view/2135 |
id |
doaj-5354d5822c4f46f4b5a2bda164541d22 |
---|---|
record_format |
Article |
spelling |
doaj-5354d5822c4f46f4b5a2bda164541d222020-11-24T21:32:08ZengSlovenian Medical AssociationZdravniški Vestnik1318-03471581-02242005-09-017491631WHO/ISUP classification of the urothelial tumors of the urinary bladderZdenka Ovčak<p><strong>Background:</strong> The authors present the current classification of urothelial neoplasms of the urinary bladder. The classification of urothelial tumors of the urinary bladder of 1973 was despite some imperfection relatively successfuly used for more than thirty years. The three grade classification of papillary urothelial tumors without invasion has been based on evaluation of variations in architecture of covering epithelium and tumor cell anaplasia. As reccomended by the International Society of Urological Pathologists (ISUP), the World Health Organisation (WHO) accepted the new WHO/ ISUP classification in 1998 that was revised in 2002 and finally published in 2004. With intention to avoid unnecessary diagnosis of cancer in patients having papillary urothelial tumors with rare invasive or metastastatic growth, this classification introduced a new entity, the papillary urothelial neoplasia of low malignant potential (PUNLMP). The additional change in classification was the division of invasive urothelial neoplasms only to low and high grade urothelial carcinomas.</p><p><strong>Conclusions:</strong> The authors’ opinion is that although the old classification is not recommended for use anymore the new one is not solving the elementary reproaches to previous classification such as terminological unsuitability and insufficient scientific reasoning. Our proposed solution in classification of papillary urothelial neoplasms would be the application of criteria analogous to that used in diagnostics of papillary noninvasive tumors of the head and neck or alimentary tract.</p>http://vestnik.szd.si/index.php/ZdravVest/article/view/2135urinary bladderurothelial tumorsclassification |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zdenka Ovčak |
spellingShingle |
Zdenka Ovčak WHO/ISUP classification of the urothelial tumors of the urinary bladder Zdravniški Vestnik urinary bladder urothelial tumors classification |
author_facet |
Zdenka Ovčak |
author_sort |
Zdenka Ovčak |
title |
WHO/ISUP classification of the urothelial tumors of the urinary bladder |
title_short |
WHO/ISUP classification of the urothelial tumors of the urinary bladder |
title_full |
WHO/ISUP classification of the urothelial tumors of the urinary bladder |
title_fullStr |
WHO/ISUP classification of the urothelial tumors of the urinary bladder |
title_full_unstemmed |
WHO/ISUP classification of the urothelial tumors of the urinary bladder |
title_sort |
who/isup classification of the urothelial tumors of the urinary bladder |
publisher |
Slovenian Medical Association |
series |
Zdravniški Vestnik |
issn |
1318-0347 1581-0224 |
publishDate |
2005-09-01 |
description |
<p><strong>Background:</strong> The authors present the current classification of urothelial neoplasms of the urinary bladder. The classification of urothelial tumors of the urinary bladder of 1973 was despite some imperfection relatively successfuly used for more than thirty years. The three grade classification of papillary urothelial tumors without invasion has been based on evaluation of variations in architecture of covering epithelium and tumor cell anaplasia. As reccomended by the International Society of Urological Pathologists (ISUP), the World Health Organisation (WHO) accepted the new WHO/ ISUP classification in 1998 that was revised in 2002 and finally published in 2004. With intention to avoid unnecessary diagnosis of cancer in patients having papillary urothelial tumors with rare invasive or metastastatic growth, this classification introduced a new entity, the papillary urothelial neoplasia of low malignant potential (PUNLMP). The additional change in classification was the division of invasive urothelial neoplasms only to low and high grade urothelial carcinomas.</p><p><strong>Conclusions:</strong> The authors’ opinion is that although the old classification is not recommended for use anymore the new one is not solving the elementary reproaches to previous classification such as terminological unsuitability and insufficient scientific reasoning. Our proposed solution in classification of papillary urothelial neoplasms would be the application of criteria analogous to that used in diagnostics of papillary noninvasive tumors of the head and neck or alimentary tract.</p> |
topic |
urinary bladder urothelial tumors classification |
url |
http://vestnik.szd.si/index.php/ZdravVest/article/view/2135 |
work_keys_str_mv |
AT zdenkaovcak whoisupclassificationoftheurothelialtumorsoftheurinarybladder |
_version_ |
1725958458384056320 |