case_images: PMC9134426_01
case_images: Timeline of case 1.. BCP-ALL: B-cell precursor acute lymphoblastic leukaemia; BM: bone marrow;
  CAR: chimeric antigen receptor; d: days; GvHD: graft-versus-host disease;
  HSCT: hematopoietic stem cell transplantation; MRD: minimal residual
  disease; PB: peripheral blood; PBSC: peripheral blood stem cells; PCR:
  polymerase chain reaction; TBI: total body irradiation; VP-16: etoposide; w:
  weeks; and y: years.
case_images: 10.1177_20406207221099468-fig1.jpg
case_images: PMC9134426_02_10.1177_20406207221099468-fig1.jpg
case_images: fig1-20406207221099468
case_images: PMC9134426_02
case_images: Timeline of case 1.. BCP-ALL: B-cell precursor acute lymphoblastic leukaemia; BM: bone marrow;
  CAR: chimeric antigen receptor; d: days; GvHD: graft-versus-host disease;
  HSCT: hematopoietic stem cell transplantation; MRD: minimal residual
  disease; PB: peripheral blood; PBSC: peripheral blood stem cells; PCR:
  polymerase chain reaction; TBI: total body irradiation; VP-16: etoposide; w:
  weeks; and y: years.
case_images: 10.1177_20406207221099468-fig1.jpg
case_images: PMC9134426_02_10.1177_20406207221099468-fig1.jpg
case_images: fig1-20406207221099468
case_images: Timeline of case 2.. BCP-ALL: B-cell precursor acute lymphoblastic leukaemia; BM: bone marrow;
  CAR: chimeric antigen receptor; CRS: cytokine release syndrome; d: days;
  GvHD: graft-versus-host disease; HSCT: hematopoietic stem cell
  transplantation; MRD: minimal residual disease; PB: peripheral blood; PBSC:
  peripheral blood stem cells; PCR: polymerase chain reaction; TBI: total body
  irradiation; VP-16: etoposide; w: weeks; y: years.
case_images: 10.1177_20406207221099468-fig2.jpg
case_images: PMC9134426_02_10.1177_20406207221099468-fig2.jpg
case_images: fig2-20406207221099468