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===Grading steatohepatitis=== | ===Grading steatohepatitis=== | ||
Grading | ====Brunt grading system==== | ||
Grading system proposed by Brunt in 1999:<ref name=pmid10484010>{{Cite journal | last1 = Brunt | first1 = EM. | last2 = Janney | first2 = CG. | last3 = Di Bisceglie | first3 = AM. | last4 = Neuschwander-Tetri | first4 = BA. | last5 = Bacon | first5 = BR. | title = Nonalcoholic steatohepatitis: a proposal for grading and staging the histological lesions. | journal = Am J Gastroenterol | volume = 94 | issue = 9 | pages = 2467-74 | month = Sep | year = 1999 | doi = 10.1111/j.1572-0241.1999.01377.x | PMID = 10484010 }}</ref> | |||
{| class="wikitable sortable" style="text-align: center | |||
! Grade | |||
! Characteristics | |||
|- | |||
| 1 | |||
| steatosis, [[PMN]]s, occasional ballooning degeneration ‡ | |||
|- | |||
| 2 | |||
| obvious ballooning, obvious PMNs, chronic inflammation | |||
|- | |||
| 3 | |||
| panacinar steatosis | |||
|} | |||
Note: | Note: | ||
*‡ Ballooning may be absent.<ref name=pmid10484010/> | *‡ Ballooning may be absent.<ref name=pmid10484010/> | ||
====Clinical Research Network system==== | |||
Nonalcoholic steatohepatitis Clinical Research Network system for scoring activity - adapted from Brunt and Tiniakos:<ref name=pmid21072891>{{Cite journal | last1 = Brunt | first1 = EM. | last2 = Tiniakos | first2 = DG. | title = Histopathology of nonalcoholic fatty liver disease. | journal = World J Gastroenterol | volume = 16 | issue = 42 | pages = 5286-96 | month = Nov | year = 2010 | doi = | PMID = 21072891 }}</ref> | |||
{| class="wikitable sortable" style="text-align: center | |||
! Score | |||
! Steatotic <br>hepatocytes (%) | |||
! Lobular <br>lymphocytes | |||
! Ballooning <br>heptocytes | |||
|- | |||
| 0 | |||
| <5% | |||
| none | |||
| none | |||
|- | |||
| 1 | |||
| 5-33% | |||
| <2 | |||
| few | |||
|- | |||
| 2 | |||
| 34%-66% | |||
| 2-4 | |||
| many | |||
|- | |||
| 3 | |||
| >66% | |||
| >4 | |||
| (not assigned) | |||
|} | |||
====Images==== | ====Images==== |
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