Radiographic and Ultrasonographic Findings of Uterine Neoplasms in Nine Dogs

Abstract

The records of nine female intact dogs with histologically confirmed uterine tumors were reviewed retrospectively, and the related radiographic and ultrasonographic signs of the lesions detected were recorded. Radiography revealed a soft-tissue opacity between the urinary bladder and colon in six of seven dogs with uterine body and/or cervical tumors, and a soft-tissue opacity in the midventral abdomen in two dogs with uterine horn tumors. Ultrasonography revealed masses in all dogs with uterine body/cervical tumors and could delineate the origin of the mass in one of two dogs with uterine horn tumors. The mass was characterized ultrasonographically as solid in three dogs (all leiomyomas), solid with cystic component in four dogs (two adenocarcinomas, one leiomyoma, and one fibroleiomyoma), and cystic in two (both leiomyomas). Hyperechoic foci in the mass were observed in three dogs. Ultrasonography was a useful method for demonstrating uterine body and/or cervical tumors. However, it was not possible to ascertain sonographically that a mass originated in a uterine horn unless there was associated evidence of uterine horn to which the mass could be traced. The ultrasonographic appearance of uterine tumors was variable, and the type of neoplasm could only be determined by taking biopsies of the mass.

Imaging Diagnosis—endometrial Mineralization in a Dog

“…Canine uterine neoplasias most commonly develop as focal soft tissue masses with variable sonographic characteristics . Dystrophic mineralization and/or osseous metaplasia have been identified radiographically and sonographically in some canine uterine tumors . In the present report, multifocal areas of mineralization were observed along the entire mucosal surface of the uterus via abdominal ultrasound.…”

“…Canine uterine neoplasias most commonly develop as focal soft tissue masses with variable sonographic characteristics . Dystrophic mineralization and/or osseous metaplasia have been identified radiographically and sonographically in some canine uterine tumors .…”

Uterine stump adenocarcinoma in a bitch with an ovarian remnant: A case report

“…Other mesenchymal and epithelial tumours are less frequently seen (Taylor, 2010). Very few reports of canine uterine carcinoma exist in the literature mainly affecting middle-aged or geriatric bitches (Vos 1988;Pena et al, 2006;Patsikas et al, 2014); however, it has been seen in a 2-yearold bitch treated with combined sex hormones, but the cause-and-effect association was not confirmed (Payne-Johnson et al, 1986) and in a 10-month-old entire golden retriever (Cave et al, 2002). Recently, the immunohistochemical characteristics of a canine endometrial adenocarcinoma were studied (Pires et al, 2010).…”

Histopathologic findings in uteri and ovaries collected from clinically healthy dogs at elective ovariohysterectomy: a cross-sectional study

“…Because proliferative changes in uterus and ovaries could be a consequence of continuing exposure to steroid hormones, the uterine epithelium may be prone to develop neoplasia at early life [ 20 ], as was observed in the present study. In a recent report by Patsikas et al [ 31 ], ultrasound examination of 9 dogs revealed the presence of masses with solid images, which were observed to be three cases of leiomyoma, two cases of adenocarcinomas, and one case of leiomyoma. In that same report, dogs exhibiting cysts and cystic masses at ultrasound evaluation of the uterus, those cysts and masses were identified as fibroleiomyoma and leiomyoma at microscopic evaluation [ 31 ].…”