Azacitidine/bendamustine/rituximabLack of efficacy and myeloid sarcoma: case report A 69-year-old man developed myeloid sarcoma following treatment with bendamustine and rituximab for chronic lymphocytic leukaemia/small lymphocytic lymphoma. Additionally, he exhibited lack of efficacy during treatment with azacitidine for myeloid sarcoma [dosages, routes and duration of treatments to reaction onsets not stated].The man was diagnosed with 13q deletion chronic lymphocytic leukaemia/small lymphocytic lymphoma in 2006. He had