Vol.79, No.10 October 2017
Explanation of the cover photograph
Unilateral luteoma of the ovary in a pregnant Risso’s dolphin (Grampus griseus)
Hironobu NISHINA et al. (pp. 1749-1752)
The figure shows immunohistochemistry for vimentin in a ovarian luteoma of a pregnant Risso’s dolphin (Grampus griseus). The neoplastic cells, large polygonal cells with abundant cytoplasm, show intense cytoplasmic immunoreactivity. This is the first reported case of luteoma in marine mammals.
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