A Case of Heterotopic Ossification in Papillary Renal Cell Carcinoma Type 2

Figure 2

(a) Hematoxylin and eosin-stained sections representative of tumor with nuclear pseudostratification and nuclear enlargement consistent with papillary renal cell carcinoma type 2. Granular to eosinophilic cytoplasm is also seen. (b) A low power view with heterotopic ossification with intervening tumor. (c, d) On higher power, focal osteoblastic rimming is seen surrounding trabecular woven bone.

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