Achados patológicos e imuno-histoquímicos de neoplasmas pulmonares primários em caninos na região metropolitana de Porto Alegre, Rio Grande do Sul

Caprioli, Rafaela Albuquerque; Argenta, Fernando Froner; Hammerschmitt, Márcia Elisa; Pereira, Paula Reis; Lorenzo, Cíntia de; Pavarini, Saulo Petinatti; Driemeier, David; Sonne, Luciana

doi:10.1590/1678-5150-pvb-5206

Cited by 4 publications

(8 citation statements)

References 26 publications

(43 reference statements)

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“…Other dogs presenting similar clinical characteristics were diagnosed with bronchioalveolar carcinoma before ( Puerto et al , 2002 ; Park et al , 2016 ). Regarding the histological pattern, acinar and papillary adenocarcinomas are the most common ones ( Caprioli et al , 2018 ). Caprioli et al .…”

Section: Discussionmentioning

confidence: 99%

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Giant and potentially malignant bullae in a dog

Roque¹,

Lima²,

Oliveira³

et al. 2023

Open Vet J

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Primary lung neoplasms are represented by solid, solitary or multiple formations. Blisters are pulmonary emphysemas larger than 1cm, present complete destruction of lung tissue, resulting from dilation, destruction and coalescence of adjacent alveoli, filled with air, located in the subpleural space, surrounded by connective tissue septa, between the lung and the layer of the visceral pleura. Bullaes occupy more than 30% and surgical removal is recommended. The present clinical case reports a 14-year-old female dog, of mixed breed, with an increase in the coughs frequency, fatigue and exercise intolerance. A chest X-ray was taken, a large emphysematous cystic area was found, with thickened and irregular walls located in the left caudal pulmonary lobe, which measured 8cm x 7.5cm x 3cm, and rejected the bronchial branch corresponding to the left caudal pulmonary lobe, in addition to thickening of the bronchial walls, compatible with bronchopathy. The tomographic examination of the cavity showed an air content structure, oval to round in shape, with irregular thick hyperattenuating walls measuring approximately 0.4 cm in thickness, occupying more than 30% of the left hemithorax, and pulmonary lobectomy was chosen. Histopathology confirmed the diagnosis of bronchoalveolar adenocarcinoma, with the presence of sparse areas of necrosis and dystrophic calcification. Concluding that the tomographic exam is of great importance, because only through it, it is possible to evaluate if there is lymph node or pleural involvement or the presence of small metastasis foci. There is indication for surgery and histopathological examination of the piece for a definitive diagnosis.

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Section: Discussionmentioning

confidence: 99%

“…Regarding the histological pattern, acinar and papillary adenocarcinomas are the most common ones ( Caprioli et al , 2018 ). Caprioli et al . (2018) reported that solid tumors are considered rare in pets.…”

Section: Discussionmentioning

confidence: 99%

Giant and potentially malignant bullae in a dog

Roque¹,

Lima²,

Oliveira³

et al. 2023

Open Vet J

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show abstract

“…anos. Caprioli et al (2018) (TSUKAZAN et al, 2017;WONG et al, 2019;BADE et al, 2020, SOARES et al 2021. Barta et al (2019) ao levantar a discussão acerca do aumento da incidência de câncer de pulmão em mulheres, referem que apesar de tal aumento na casuística feminina tem-se também maior incidência de cânceres pouco relacionados ao fumo como o adenocarcinoma, maiores taxas de diagnóstico precoce e sobrevida.…”

Section: Discussionunclassified

“…Subptipos não foram levados em consideração no presente levantamento. Já Caprioli et al (2018), que levaram subtipos histológicos em consideração, referem que a neoplasia mais encontrada foi o adenocarcinoma papilar, em segundo lugar o carcinoma lepídico e em terceiro carcinoma de grandes células.…”

Section: Discussionunclassified

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>b<Estudo comparativo de neoplasias pulmonares primárias em cães e humanos>/b<

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Histological and immunohistochemical features of carcinomas with pulmonary involvement in cattle

Vielmo,

Santos,

Piva

et al. 2023

Vet Pathol

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Primary pulmonary neoplasms in cattle are rare. There are few studies on the pathological findings of these neoplasms in this species. This study aimed to describe the histological and immunohistochemical findings of primary and metastatic pulmonary carcinomas in cattle. We conducted a retrospective study of 19 cases of epithelial neoplasms with pulmonary involvement. Histologically, most of the neoplasms were classified as primary pulmonary neoplasms, including different adenocarcinoma subtypes (4/19, 21%) and adenosquamous carcinomas (3/19, 16%), followed by squamous cell carcinoma (6/19, 32%), metastatic uterine adenocarcinoma (4/19, 21%), metastatic hepatocellular carcinoma (1/19, 5%), and metastatic cholangiocarcinoma (1/19, 5%). By immunohistochemistry, all neoplasms were positive for pancytokeratin, and 4/19 (21%) were positive for vimentin. Primary pulmonary neoplasms had immunoreactivity for thyroid transcription factor-1 (6/7), while only 2 of these cases were positive for napsin A. All cases with squamous differentiation (9/9) had immunoreactivity for cytokeratin (CK) 5/6, while only 7 of these cases were positive for p40. CK20, CK7, and CK8/18 showed varied immunoreactivity in the primary and metastatic pulmonary carcinomas but were important markers to confirm the diagnosis of primary mucinous adenocarcinoma and metastatic cholangiocarcinoma. HepPar-1 was only positive in the metastatic hepatocellular carcinoma. The limited number of cases of metastatic uterine adenocarcinomas in this study precluded identification of a specific immunophenotype for this tumor. Immunohistochemistry proved to be an important tool to confirm the proper classification of these neoplasms.

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Achados patológicos e imuno-histoquímicos de neoplasmas pulmonares primários em caninos na região metropolitana de Porto Alegre, Rio Grande do Sul

Cited by 4 publications

References 26 publications

Giant and potentially malignant bullae in a dog

Giant and potentially malignant bullae in a dog

>b<Estudo comparativo de neoplasias pulmonares primárias em cães e humanos>/b<

Histological and immunohistochemical features of carcinomas with pulmonary involvement in cattle

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