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Cytology of pigmented renal cell carcinoma. A case report
M Hirokawa1, T Sakurai, M Shimizu
1Department of Pathology, Kawasaki Medical School, Kurashiki, Japan. hirokawa@med.kawasaki-m.ac.jp
Acta Cytologica
|June 12, 1998
Abstract
Background:
Pigmented renal cell carcinoma is very rare, and there have been no reports on its cytologic findings.
Case:
A 40-year-old female with pigmented renal cell carcinoma had cytologic findings similar to those of clear cell carcinoma except for the presence of melaninlike brown pigment.
Conclusion:
It is important to recognize that renal cell carcinoma may contain melaninlike brown pigment seen on cytologic examination of renal aspirates.