Clear-Cell Carcinoma of the Ovary with Bilateral Breast Metastases

Figure 4

(a) PAX-8: strong, diffuse nuclear staining within tumor cells is consistent with a Mullerian primary and militates against lung primary. (b) Napsin-A: focal granular cytoplasmic staining, consistent with either lung or clear-cell Mullerian-type adenocarcinoma.

(a)

(b)