acute graft rejection findings on histology
dense interstitial lymphocytic infiltrate occurs weeks after transplant, cell mediated process, tx= preventative immunosuppr drugs
describe hyperacute rejection after transplant
acute cession of blood flow after joining the circulations, due to preformed ab to donor antigens
ischemic damage on histology
patchy necrosis with granulation tissues
chronic rejection of a transplant on histology
scant inflammatory cells and interstitial fibrosis T cell and B cell mediated (ab mediated too) occurs months to years after a solid organ transplant
