Somebody sends the medullary cell of patient of sexual marrow tumour to undertake fostering to how, the cell that discovers positive of Congo red coloring is huge bite cell, and be not oar cell.

• 有人对多发性骨髓瘤病人的骨髓细胞进行培养，发现刚果红染色阳性的细胞是巨噬细胞，而并非浆细胞。