Case Report

Papillary Renal Carcinoma Arising in an Ectopic Native Kidney and Status after Renal Transplant: A Report of a Unique Case and Review of the Literature

Figure 1

Histological and immunohistochemical features of the papillary renal cell carcinoma. Low-power view shows the papillary structures with fibrovascular cores ((a), original magnification 100x). The columnar neoplastic cells have finely granular eosinophilic cytoplasm, bland nuclear feature. Foamy histiocytes are seen within the fibrovascular cores ((b), original magnification 400x). The neoplastic cells are positive for CK7 (c), vimentin (d), PAX-2 (e), and AMACR (f) (original magnification 400x).
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(a)
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(b)
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(c)
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(d)
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(e)
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(f)