“…The most common etiology of BM necrosis is the underlying malignant disease, particularly hematologic malignancies [ 3 , 4 ]. Rarely, it may be caused by chemotherapy such as imatinib, all-trans-retinoic acid (ATRA), or arsenic trioxide, as well as immunotherapeutic agents [ 5 - 9 ]. In addition, granulocyte-colony stimulating factor (G-CSF), administered after chemotherapy to aid hematologic recovery, has been associated with the development of BM necrosis [ 10 ].…”