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 |
Specialty: Cardiology, Surgery, general
ICD-10: ,