The morphological features and immunohistochemical findings of two cases of clear cell renal cell carcinoma with extensive hemangioblastoma-like features are described. To the best of our knowledge, this is the first description of such a pattern, the differential diagnosis being with renal hemangioblastoma, a rare tumor that could be considered a diffuse hemangioblastoma-like change in a clear cell renal cell tumor. Even though the clinical significance and therapeutic implications are not yet known, the hemangioblastoma-like pattern could have favorable prognostic significance based on the fact that the renal hemangioblastomas described so far have benign behavior.
- Clear cell renal cell carcinoma
- Hemangioblastoma-like ccRCC
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