Fig. 2From: A rare case of primary malignant fibrous histiocytoma: a sarcoma of the kidneyImmunohistochemistry (IHC) findings. (a) Tumor cells was positive for CD68 and multinucleated giant cell was observed in this Fig. (b) CD34 was negative in the tumor but positive in the vessel walls. (c) Ki67 was examined as a proliferation marker of tumor cells. (d) AE1/AE3 was negative in the tumor but positive in the kidney tubules. (IHC, original magnification 100X)Back to article page