Osseous Metaplasia and Bone Marrow Elements in a Case of Renal Cell Carcinoma
Figure 2
(a) Longitudinal section of specimen shows cystic lesions throughout the kidney. (b) Metaplastic bone intermingled with fat tissue containing myeloid and erythroid cells and varying numbers of foamy histiocytes (H&E x40). (c), (d) Lamellar bone forming a trabecula, adipose tissue, hemopoietic cells, and renal cell carcinoma (H&E x20).