A Case Report of an Uncommon Sex-Cord Stromal Tumor Consisted of Luteal and Sertoli Cells in a Spayed Bitch.

The article presents a case study of an 11-year-old ovariectomized bitch with a rare case of benign sex cord-stromal tumor consisted largely of luteoma with minor portion of Sertoli cell tumor found at the left ovary excision. The authors mention that granulosa cell component was lacking. They found that Wilms' tumor-1 (WT1)-expression pattern suggested the difference in the phenotype of the cell types.