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Fig. 6 | BMC Veterinary Research

Fig. 6

From: Progesterone-responsive vaginal leiomyoma and hyperprogesteronemia due to ovarian luteoma in an older bitch

Fig. 6

Histological image of the left ovary presenting a normal corpora lutea (astherisc) and a non-encapsulated and non-infiltrative nodular lesion composed of elements arranged in rugs and separated by thin fibrovascular septa (star). The cells of the nodular lesion are polygonal and occasionally as palisade with moderate and abundant cytoplasm variably vacuolized with round and central nucleus. The cells present a light degree of atypia without mitosis. A diagnosis of luteoma is compatible

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