some morphological features of bone marrow lymphoblasts in leukemic bone marrow involvement in skin hematosarcomas ( irregular cell shape , a moderate nuclear-cytoplasmic ratio , azurophilic granulation , fine-grained patterns of pas-positive substance ) distinguished them from lymphoblasts in leukemic bone marrow involvement in hematosarcomas with a primary focus of another site .
C0005953
bone marrow
C0229613
lymphoblasts