Stomach cancer classification: Difference between revisions

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(/* Japanese classification{{cite journal| author=Japanese Gastric Cancer Association| title=Japanese gastric cancer treatment guidelines 2014 (ver. 4). | journal=Gastric Cancer | year= 2017 | volume= 20 | issue= 1 | pages= 1-19 | pmid=27342689 | doi=10...)
 
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__NOTOC__
__NOTOC__
{{CMG}};{{AE}} {{PSD}} {{MAD}}
 
{{CMG}};{{AE}} {{OK}}, {{PSD}}, {{MAD}}
{{Stomach cancer}}
{{Stomach cancer}}


==Overview==
==Overview==
Gastric cancer classifications are Padova classification that classified gastric cancer into five types according to degree of [[Dysplasia|dysplasia.]] Japanese classification subdivided gastric cancer according to the [[atypia]] degree to five types also.
[[Gastric cancer]] can be classified according to the Padova [[classification]] [[system]] based upon the grade of [[metaplasia]], [[dysplasia]] and invasiveness of the [[disease]]. It may also be classified according to the Japanese classification system based on the type of [[lesions]] ([[benign]] or [[malignant]]) and [[atypia]].


==Classification==
==Classification==
=== '''Padova classification'''<ref name="pmid10680883">{{cite journal| author=Rugge M, Correa P, Dixon MF, Hattori T, Leandro G, Lewin K et al.| title=Gastric dysplasia: the Padova international classification. | journal=Am J Surg Pathol | year= 2000 | volume= 24 | issue= 2 | pages= 167-76 | pmid=10680883 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10680883  }}</ref> ===
[[Gastric cancer]] can be classified according to the Padova [[classification]] [[system]] based upon the grade of [[metaplasia]], [[dysplasia]] and invasiveness of the [[disease]]. It may also be classified according to the Japanese classification system based on the type of [[lesions]] ([[benign]] or [[malignant]]) and [[atypia]]. The following tables briefly outline the major [[classification]] [[systems]]:<ref name="pmid10680883">{{cite journal| author=Rugge M, Correa P, Dixon MF, Hattori T, Leandro G, Lewin K et al.| title=Gastric dysplasia: the Padova international classification. | journal=Am J Surg Pathol | year= 2000 | volume= 24 | issue= 2 | pages= 167-76 | pmid=10680883 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10680883  }}</ref><ref name="pmid27342689">{{cite journal| author=Japanese Gastric Cancer Association| title=Japanese gastric cancer treatment guidelines 2014 (ver. 4). | journal=Gastric Cancer | year= 2017 | volume= 20 | issue= 1 | pages= 1-19 | pmid=27342689 | doi=10.1007/s10120-016-0622-4 | pmc=5215069 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27342689  }}</ref>
 
=== '''Padova classification''' ===
{| class="wikitable"
{| class="wikitable"
! colspan="2" |'''1.  Negative for [[dysplasia]]'''
|-
!1.0
|Normal
|-
!1.1
|Reactive foveolar [[hyperplasia]]
|-
!1.2
|Intestinal [[metaplasia]] (IM)
|-
!1.2.1
|IM Complete type
|-
!1.2.2
|IM Incomplete type
|-
! colspan="2" |'''2.  Indefinite for [[dysplasia]]'''
|-
!2.1 
|Foveolar hyperproliferation
|-
!2.2 
|Hyperproliferative IM
|-
| colspan="2" |'''3.  Non-invasive [[neoplasia]] (flat or elevated [synonym adenoma])'''
|-
!3.1 
|Low-grade
|-
|-
|'''1.  Negative for dysplasia'''
!3.2   
1.0  Normal
|High-grade
 
1.1  Reactive foveolar [[hyperplasia]]
 
1.2  Intestinal [[metaplasia]] (IM)
 
1.2.1  IM Complete type
 
1.2.2  IM Incomplete type
|-
|-
|'''2. Indefinite for dysplasia'''
!3.2.1   
 
|Including suspicious for [[carcinoma]] without [[invasion]] (interglandular)
2.1  Foveolar hyperproliferation
 
2.2  Hyperproliferative IM
|-
|-
|'''3.  Non-invasive [[neoplasia]] (flat or elevated [synonym adenoma])'''
!3.2.2   
 
|Including [[carcinoma]] without invasion (intraglandular)
3.1  Low-grade
 
3.2 High-grade
 
3.2.1 Including suspicious for [[carcinoma]] without invasion (intreglandular)
 
3.2.2  Including [[carcinoma]] without invasion (intraglandular)
|-
|-
|'''4.  Suspicious for invasive [[carcinoma]]'''
! colspan="2" |'''4.  Suspicious for invasive [[carcinoma]]'''
|-
|-
|'''5.  Invasive [[adenocarcinoma]]'''
! colspan="2" |'''5.  Invasive [[adenocarcinoma]]'''
|}
|}


=== Japanese classification<ref name="pmid27342689">{{cite journal| author=Japanese Gastric Cancer Association| title=Japanese gastric cancer treatment guidelines 2014 (ver. 4). | journal=Gastric Cancer | year= 2017 | volume= 20 | issue= 1 | pages= 1-19 | pmid=27342689 | doi=10.1007/s10120-016-0622-4 | pmc=5215069 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27342689  }}</ref> ===
=== Japanese classification ===
{| class="wikitable"
{| class="wikitable"
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Category
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Category
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Definition
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Definition
|-
|-
|Group I
!Group I
|Normal [[mucosa]] and benign lesions with no [[atypia]]
|Normal [[mucosa]] and [[benign]] [[lesions]] with no [[atypia]]
|-
|-
|Group II
!Group II
|Lesions showing [[atypia]] but diagnosed as benign (non-[[Neoplastic disease|neoplastic]])
|[[Lesions]] showing [[atypia]] but diagnosed as [[benign]] (non-[[Neoplastic disease|neoplastic]])
|-
|-
|Group III
!Group III
|Borderline lesions between [[benign]] and [[malignant]]
|Borderline [[lesions]] between [[benign]] and [[malignant]]
|-
|-
|Group V
!Group V
|Lesions strongly suspected of [[carcinoma]]
|[[Lesions]] strongly suspected of [[carcinoma]]
|-
|-
|Group V
!Group V
|[[Carcinoma]]
|[[Carcinoma]]
|}
|}

Latest revision as of 23:04, 4 April 2019


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Omer Kamal, M.D.[2], Parminder Dhingra, M.D. [3], Mohammed Abdelwahed M.D[4]

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Overview

Gastric cancer can be classified according to the Padova classification system based upon the grade of metaplasia, dysplasia and invasiveness of the disease. It may also be classified according to the Japanese classification system based on the type of lesions (benign or malignant) and atypia.

Classification

Gastric cancer can be classified according to the Padova classification system based upon the grade of metaplasia, dysplasia and invasiveness of the disease. It may also be classified according to the Japanese classification system based on the type of lesions (benign or malignant) and atypia. The following tables briefly outline the major classification systems:[1][2]

Padova classification

1. Negative for dysplasia
1.0 Normal
1.1 Reactive foveolar hyperplasia
1.2 Intestinal metaplasia (IM)
1.2.1 IM Complete type
1.2.2 IM Incomplete type
2. Indefinite for dysplasia
2.1 Foveolar hyperproliferation
2.2 Hyperproliferative IM
3. Non-invasive neoplasia (flat or elevated [synonym adenoma])
3.1 Low-grade
3.2 High-grade
3.2.1 Including suspicious for carcinoma without invasion (interglandular)
3.2.2 Including carcinoma without invasion (intraglandular)
4. Suspicious for invasive carcinoma
5. Invasive adenocarcinoma

Japanese classification

Category Definition
Group I Normal mucosa and benign lesions with no atypia
Group II Lesions showing atypia but diagnosed as benign (non-neoplastic)
Group III Borderline lesions between benign and malignant
Group V Lesions strongly suspected of carcinoma
Group V Carcinoma

References

  1. ↑ Rugge M, Correa P, Dixon MF, Hattori T, Leandro G, Lewin K; et al. (2000). "Gastric dysplasia: the Padova international classification". Am J Surg Pathol. 24 (2): 167–76. PMID 10680883.
  2. ↑ Japanese Gastric Cancer Association (2017). "Japanese gastric cancer treatment guidelines 2014 (ver. 4)". Gastric Cancer. 20 (1): 1–19. doi:10.1007/s10120-016-0622-4. PMC 5215069. PMID 27342689.

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