Fig. 4From: Clear cell carcinoma arising in an ovarian remnant 19 years after oophoerctomy: case reportHE staining showed tumor cells had vacuolated, clear cytoplasm and basally located pleomorphic nuclei without prominent nucleoli, numerous tumor cells with clear cytoplasm, a key feature of OCCC (A). IHC demonstrated that tumor cells strongly expressed HNF1-βin a cytoplasm pattern (B)Back to article page