Now you see me, now you don't: Isolated central nervous system recurrence of CD19-negative diffuse large B-cell lymphoma following CD19-directed CAR T-cell treatment.
Hamza Numan GokozanMadhu M OusephJose V Scarpa CarnielloKoen Van BesienSanjay S PatelPublished in: Cytopathology : official journal of the British Society for Clinical Cytology (2022)
The authors discuss a case of CD19-negative diffuse large B-cell lymphoma with central nervous system relapse following CD19-directed CAR T-cell treatment. Absence of CD19 expression by the tumour cells presented a challenge for flow cytometry evaluation.