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Estrous cycle irregularity exhibited as prolonged proestral bleeding in a nulliparous female dog was evaluated. Clinical, cytological, vaginoscopy and ultrasonography findings confirmed Cystic Endometrial Hyperplasia-Pyometra complex. Surgical intervention exposed Follicular cyst, Parovarian cyst and tumor of cervix. Histopathologically, the tumor was confirmed as leiomyoma.
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Dinesh et al. (2011) studied this question.
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