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Suzuki S, Kitamura H, Hayashi K, Nakashima T, Okamura M, Shirai K, Kariya T. Endometrial Disease in Six Cats with Clinical and Histopathological Features Resembling Atypical Endometrial Hyperplasia in Humans. J Comp Pathol 2021; 189:45-51. [PMID: 34886985 DOI: 10.1016/j.jcpa.2021.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/20/2021] [Accepted: 09/23/2021] [Indexed: 11/17/2022]
Abstract
In humans, atypical endometrial hyperplasia (AEH) is considered as a precancerous lesion of endometrial adenocarcinoma (EA), from which it must be distinguished. Precancerous lesions have not been reported in cats with EA. We now document the histopathological features of endometrial lesions in six cats, which histopathologically resembled human AEH and had a good prognosis following ovariohysterectomy. Grossly, one cat presented with papillomatous nodules and three cats had pyometra. Histopathologically, proliferation of endometrial epithelial cells without atypia was observed in all cases. In some regions of the endometrium, cells had increased atypia and were arranged in stratified layers, which formed irregular ducts and papillary structures. No invasive behaviour or vascular invasion was observed. On the basis of these findings, the cats were diagnosed with non-invasive or early-stage adenocarcinoma. Immunohistochemistry for oestrogen receptor and progesterone receptor revealed an inverse correlation with the severity of the endometrial lesions and degree of malignancy of tumour cells. Ki67 labelling revealed that mitotic activity increased as the lesion developed. All cats survived, with a median survival time of 385 days (range: 229-744 days). The distribution of the histopathological endometrial changes and the non-invasive behaviour in these feline cases resemble cases of AEH in humans.
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Affiliation(s)
- Satoshi Suzuki
- Koto General Hospital, Kariya Animal Hospital Group, Koto-ku, Tokyo, Japan.
| | - Hidetomo Kitamura
- Koto General Hospital, Kariya Animal Hospital Group, Koto-ku, Tokyo, Japan
| | - Kohtaro Hayashi
- Koto General Hospital, Kariya Animal Hospital Group, Koto-ku, Tokyo, Japan
| | | | - Masaru Okamura
- Koto General Hospital, Kariya Animal Hospital Group, Koto-ku, Tokyo, Japan
| | - Katsuaki Shirai
- Koto General Hospital, Kariya Animal Hospital Group, Koto-ku, Tokyo, Japan
| | - Takuro Kariya
- Koto General Hospital, Kariya Animal Hospital Group, Koto-ku, Tokyo, Japan
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Dornbusch JA, Selmic LE, Salyer SA, Howard J, Wavreille VA. Presumptive pyometra leading to a diagnosis of uterine neoplasia in two queens. VETERINARY RECORD CASE REPORTS 2020. [DOI: 10.1136/vetreccr-2019-000965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Josephine A Dornbusch
- Department of Clinical SciencesThe Ohio State University College of Veterinary MedicineColumbusOhioUSA
| | - Laura Elizabeth Selmic
- Department of Clinical SciencesThe Ohio State University College of Veterinary MedicineColumbusOhioUSA
| | - Sarah A Salyer
- Department of Clinical SciencesThe Ohio State University College of Veterinary MedicineColumbusOhioUSA
| | - James Howard
- Department of Clinical SciencesThe Ohio State University College of Veterinary MedicineColumbusOhioUSA
| | - Vincent A Wavreille
- Department of Clinical SciencesThe Ohio State University College of Veterinary MedicineColumbusOhioUSA
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Saraiva AL, Payan-Carreira R, Gärtner F, Faria F, Lourenço LM, Pires MA. Changes in c-erbB-2 Immunoexpression in Feline Endometrial Adenocarcinomas. Reprod Domest Anim 2015; 51:33-9. [PMID: 26638806 DOI: 10.1111/rda.12642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 10/23/2015] [Indexed: 11/30/2022]
Abstract
Human epidermal growth factor receptor type 2 (c-erbB-2), an oncoprotein with potential prognostic marker and therapeutic use, is overexpressed in several human and animal tumours. But information regarding this molecule in feline tumours is scarce. This study aimed to assess the changes in the immunohistochemical expression of c-erbB-2 in feline endometrial adenocarcinomas (FEA) compared to normal endometrium. An immunohistochemistry assay using a specific antibody against c-erbB-2 was performed in FEA samples (n = 34) and in normal endometrium in the follicular (FS; n = 12) and luteal (LS; n = 11) stages. In FEA, the c-erbB-2 immunoexpression was assessed in neoplastic epithelial cells whilst in normal endometria it was individually evaluated in the surface and the superficial and deep glandular epithelia (SE, SGE and DGE, respectively). In FS and in LS, all the epithelia were positive for c-erbB-2; positivity was higher in the SE and the SGE than in DGE. Twenty of the 34 FEA samples (58.8%) were positive for c-erbB-2 immunolabelling. Nevertheless, its expression was higher in all the epithelia in the FS compared to FEA (p ≤ 0.0001) or the LS (p = 0.016). The results presented herein suggest that c-erbB-2 molecule is differently expressed in the feline endometrium through the oestrous cycle and though it may also be involved in feline endometrial carcinogenesis, a question remains unanswered on the importance of additional pathways of epithelial proliferation in the neoplastic changes in feline endometrium.
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Affiliation(s)
- A L Saraiva
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Vila Real, Portugal.,Escola Universitária Vasco da Gama (EUVG), Coimbra, Portugal
| | - R Payan-Carreira
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - F Gärtner
- Abel Salazar Institute of Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal.,Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
| | - F Faria
- Abel Salazar Institute of Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal
| | - L M Lourenço
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - M A Pires
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Vila Real, Portugal
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Hong S, Lee HA, Chung Y, Kim O. Diagnosis of Mycoplasma hyorhinis infection in pigs by PCR amplification of 16S-23S rRNA internal transcribed spacer region. J Biomed Res 2015. [DOI: 10.12729/jbr.2015.16.3.104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Saraiva AL, Payan-Carreira R, Gärtner F, Fortuna da Cunha MR, Rêma A, Faria F, Lourenço LM, Pires MDA. An immunohistochemical study on the expression of sex steroid receptors, Ki-67 and cytokeratins 7 and 20 in feline endometrial adenocarcinomas. BMC Vet Res 2015; 11:204. [PMID: 26268561 PMCID: PMC4535787 DOI: 10.1186/s12917-015-0530-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Accepted: 08/04/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Endometrial adenocarcinomas are a rare type of tumour in cats. Though different morphologies have been reported, the most frequent histological type of feline endometrial adenocarcinoma (FEA) is the papillary serous. Characterization of molecular markers expression in FEA may contribute to clarify the pathogenesis of these tumours and to assess the differences between normal endometrium and FEA regarding the expression pattern of several proteins. Therefore, this study aimed to evaluate the immunohistochemical profile of a wide panel of antibodies (specific for ER-α, PR, Ki-67, CK7 and CK20) in twenty-four cases of FEA. Comparisons were made between FEA and feline normal cyclic endometrium in follicular (n = 13) and luteal (n = 10) stages. Except for Ki-67, all other molecular markers were assessed independently for the intensity of immunolabeling and for the percentage of cells expressing the protein. RESULTS This study showed that in FEA a loss of expression occurs for ER-α (P ≤ 0.0001) and less markedly also for PR. The lost in sex steroid receptors concerns a decrease in both the proportion of labelled cells and the intensity of immunolabelling (P = 0.002 and P = 0.024, respectively). Proliferative activity, estimated via Ki-67 immunoreaction, significantly increased in FEA as compared to normal endometrium (P ≤ 0.0001). Feline endometrial adenocarcinomas maintained the CK7+/CK20+ status of normal endometrium. However, FEA showed decreased CK7 intensity of labelling compared to normal endometria (P ≤ 0.0001) and loss of CK20 expression, both in intensity (P ≤ 0.0001) and in percentage of positive cells (P = 0.01), compared to normal tissues. CONCLUSIONS Data gathered in this study suggest that proliferation in FEA accompanies ER-α down-regulation, possibly following activation of pathways mediated by local growth factors. Moreover, FEA retains combined expression of CK7 and CK20, as evidenced in normal endometrial epithelia, although a decrease in CK7 expression was observed.
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Affiliation(s)
- Ana Laura Saraiva
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801, Vila Real, Portugal. .,Escola Universitária Vasco da Gama (EUVG), Avenida José R. Sousa Fernandes, Campus Universitário, Bloco B, Lordemão, 3020-210, Coimbra, Portugal.
| | - Rita Payan-Carreira
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801, Vila Real, Portugal.
| | - Fátima Gärtner
- Abel Salazar Institute of Biomedical Sciences (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira n.° 228, 4050-313, Porto, Portugal. .,Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Rua Júlio Amaral de Carvalho, 45, 4200-135, Porto, Portugal.
| | - Marta R Fortuna da Cunha
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801, Vila Real, Portugal.
| | - Alexandra Rêma
- Abel Salazar Institute of Biomedical Sciences (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira n.° 228, 4050-313, Porto, Portugal.
| | - Fátima Faria
- Abel Salazar Institute of Biomedical Sciences (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira n.° 228, 4050-313, Porto, Portugal.
| | - Lígia M Lourenço
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801, Vila Real, Portugal.
| | - Maria Dos Anjos Pires
- CECAV, Centro de Ciência Animal e Veterinária, Universidade de Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801, Vila Real, Portugal.
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Saraiva AL, Payan-Carreira R, Gärtner F, Santana I, Rêma A, Lourenço LM, Pires MA. Immunohistochemical Expression of Cyclooxygenase-2 (COX-2) in Feline Endometrial Adenocarcinoma and in Normal and Hyperplastic Endometria. Reprod Domest Anim 2015; 50:333-340. [DOI: 10.1111/rda.12497] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 01/13/2015] [Indexed: 11/30/2022]
Affiliation(s)
- AL Saraiva
- CECAV; Centro de Ciência Animal e Veterinária; Universidade de Trás-os-Montes e Alto Douro; Quinta de Prados; Vila Real Portugal
- Escola Universitária Vasco da Gama (EUVG); Coimbra Portugal
| | - R Payan-Carreira
- CECAV; Centro de Ciência Animal e Veterinária; Universidade de Trás-os-Montes e Alto Douro; Quinta de Prados; Vila Real Portugal
| | - F Gärtner
- Abel Salazar Institute of Biomedical Sciences (ICBAS); University of Porto; Porto Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP); Porto Portugal
| | - I Santana
- CECAV; Centro de Ciência Animal e Veterinária; Universidade de Trás-os-Montes e Alto Douro; Quinta de Prados; Vila Real Portugal
| | - A Rêma
- Abel Salazar Institute of Biomedical Sciences (ICBAS); University of Porto; Porto Portugal
| | - LM Lourenço
- CECAV; Centro de Ciência Animal e Veterinária; Universidade de Trás-os-Montes e Alto Douro; Quinta de Prados; Vila Real Portugal
| | - MA Pires
- CECAV; Centro de Ciência Animal e Veterinária; Universidade de Trás-os-Montes e Alto Douro; Quinta de Prados; Vila Real Portugal
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Payan-Carreira R, Saraiva AL, Santos T, Vilhena H, Sousa A, Santos C, Pires MA. Feline Endometrial Adenocarcinoma in Females <1 Year Old: A Description of Four Cases. Reprod Domest Anim 2013; 48:e70-7. [DOI: 10.1111/rda.12190] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 05/07/2013] [Indexed: 11/30/2022]
Affiliation(s)
- R Payan-Carreira
- CECAV; University of Trás-os-Montes and Alto Douro; Vila Real; Portugal
| | | | - T Santos
- Veterinary Teaching Hospital (HVUTAD); University of Trás-os-Montes and Alto Douro; Vila Real; Portugal
| | | | - A Sousa
- Policlínica Veterinária d Aveiro - Vetsanus; Aveiro; Portugal
| | - C Santos
- CECAV; University of Trás-os-Montes and Alto Douro; Vila Real; Portugal
| | - MA Pires
- CECAV; University of Trás-os-Montes and Alto Douro; Vila Real; Portugal
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Molecular identification of Mycoplasma cynos from laboratory beagle dogs with respiratory disease. Lab Anim Res 2012; 28:61-6. [PMID: 22474476 PMCID: PMC3315197 DOI: 10.5625/lar.2012.28.1.61] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 03/01/2012] [Accepted: 03/04/2012] [Indexed: 11/21/2022] Open
Abstract
In this study, we examined a colony of 20 beagle dogs in a laboratory animal facility. Mycoplasma was detected by consensus PCR assay in 1 dog with respiratory and constitutional symptoms. None of the other dogs were affected. The dog was euthanized and necropsied. In postmortem examinations, gray or plum-colored gross lesions were found on the lung, most commonly in the apical and cardiac lobes. Some lesions showed clear demarcation and consolidation. Microscopic examination showed peribronchiolar lymphoid hyperplasia and interstitial thickening, lesions pathognomonic for mycoplasma pneumonia. To identify canine Mycoplasma species, we used species-specific PCR reactions for M. arginini, M. canis, M. cynos, M. edwardii, M. felis, M. gateae, M. maculosum, M. molare, M. opalescens, M. spumans, Mycoplasma sp. HRC 689, and M. collis. As the result, we identified Mycoplasma cynos by amplification of DNA extracted from lung tissue of the laboratory beagle dog with respiratory disease.
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