Fig. 4From: Progesterone-responsive vaginal leiomyoma and hyperprogesteronemia due to ovarian luteoma in an older bitchHistological image from the vaginal biopsy. The image presents a thin outer layer of mesenchymal fibrous tissue with a cellular population represented by spindle elements with defined margins and an eosinophilic cytoplasm. The image is compatible with a leyomiomaBack to article page