Description

Billingham developed criteria for grading the severity of acute rejection in patients with cardiac transplant. This can help identify patients who may benefit from aggressive immunosuppressive therapy. The author is from Stanford University.


 

Parameters:

(1) endocardial and/or interstitial edema

(2) perivascular infiltrate

(3) endocardial infiltrate

(4) interstitial infiltrate

(5) nature of infiltrate including methyl green pyronin staining

(6) myocytes

(7) other findings

Parameter

No Histologic Features

Mild Rejection

Moderate Rejection

edema

none

present

present

perivascular infiltrate

none

mild

mild to moderate

endocardial infiltrate

none

mild

mild to moderate

interstitial infiltrate

none

none

mild

nature of infiltrate

none

pyrinophilic mononuclear cells

predominantly pyrinophilic mononuclear cells

myocytes

normal

normal

focal damage

other finding

none

none

none

 

 

Parameter

Severe Rejection

Resolving or Resolved

edema

present

deceased or absent

perivascular infiltrate

moderate to severe

deceased or absent

endocardial infiltrate

moderate to severe

deceased or absent

interstitial infiltrate

moderate to severe

deceased or absent

nature of infiltrate

neutrophils present

nonpyrinophilic mononuclear cells

myocytes

necrosis present

 

other finding

interstitial hemorrhage

fibrosis or scar; lipofuscin

 


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