“…Two patients had active lesions at the time of transplant and three relapsed at 14, 23 and 24 months post transplant. 8,10,11,13 The remaining 11 cases, including the two that occurred in heart transplant recipients, presented with de novo opportunistic mycobacterium infection from 5 months to 12 years after transplantation. 9,12,[14][15][16][17][18] Unlike SCT, in solid organ transplants (SOT), no conditioning regimen is used and post transplant immunosuppressive drugs are continued for life, in different doses and schedules, to prevent rejection or to treat episodic rejection of the transplanted organ, and no GVHD is expected to occur.…”