Conventional and Doppler ultrasound for the differentiation of benign and malignant canine mammary tumours

Feliciano, Marcus Antônio Rossi; Vicente, W. R. R.; Silva, M. A. M.

doi:10.1111/j.1748-5827.2012.01227.x

Cited by 41 publications

(79 citation statements)

References 19 publications

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“…There was a decrease of PI from M1 to M2, however, value found in the healthy animal was low in comparison with values cited by Feliciano et al (2012), and it did not occur in the vessels studied in any of the researches cited in this short communication.…”

mentioning

confidence: 44%

“…In a study with bitches, there was a systolic peak velocity greater than 20 cm/s in tissue indicating malignancy (Feliciano et al, 2012). This Arq.…”

mentioning

confidence: 87%

“…Imaging techniques like conventional and Doppler ultrasound have been used to study mammary tumors in dogs, allowing the characterization of malignant lesions in animals (Feliciano et al, 2012;Souza et al, 2013) and women, as well as to differentiate intraductal tumors and debris (Nastri et al, 2011).…”

mentioning

confidence: 99%

“…Subsequently, pulsed Doppler ultrasonography was used to determine the systolic peak velocity (SPV), end diastolic velocity (EDV), vascular resistance index (RI = [SPV-EDV] / SPV) and pulsatility index (PI = [SPV-EDV]/mean velocity) of the mammary artery. The calipter was then positioned in an area of the vessel to measure the spectral trace of the vascular flow, determining the indexes automatically (Feliciano et al, 2012).…”

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confidence: 99%

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Conventional and Doppler ultrasonography on a goat with gangrenous mastitis

Santos

Simplício

Sánchez

et al. 2014

Arq. Bras. Med. Vet. Zootec.

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mentioning

confidence: 44%

“…In a study with bitches, there was a systolic peak velocity greater than 20 cm/s in tissue indicating malignancy (Feliciano et al, 2012). This Arq.…”

mentioning

confidence: 87%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Conventional and Doppler ultrasonography on a goat with gangrenous mastitis

Santos

Simplício

Sánchez

et al. 2014

Arq. Bras. Med. Vet. Zootec.

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“…(2004) The color Doppler evaluation of the ophthalmic artery showed only one animal with laminar flow and all the other exhibited turbulent flow (Figure 2). The alterations found in the blood flow evaluated by color Doppler suggest the presence of malignant lesions, according to Feliciano et al (2012). Therefore, cataract is considered a disease that can cause important alterations on ocular blood flow.…”

Section: Resultsmentioning

confidence: 99%

Contribution of ocular B-mode and triplex Doppler in the evaluation of 10 Poodle dogs with cataracts

Feliciano¹,

Abrahim

Peixoto³

et al. 2013

Arq. Bras. Med. Vet. Zootec.

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The findings of b-mode and especially triplex Doppler ocular ultrasound in the evaluation of 10 Poodle dogs with cataracts, which bring a contribution not yet reported in veterinary medicine, were reported. Ten Poodle dogs of varied ages and presenting cataracts were used. All animals were evaluated for ophthalmic and ultrasound examination. The ultrasound examination allowed the evaluation of the sonographic anatomy of the eye and measurement of the axial thickness of the lens (ATL). Using the Doppler mode, the blood flow of the ophthalmic artery and its vascular indexes, systolic velocity (SV), resistive index (RI) and pulsatility index (PI) were measured. Values found for ATL were 5.89±1.05 for the right eye (OD) and 6.07±1.32 for the left eye (OS). Values found using Doppler evaluation were SV OD: 26.54±7.05 and SV OS: 29.21±11.18; PI OD: 1.89±0.61 and PI OS: 1.7±0.35; RI OD: 0.76±0.1 and RI OS: 0.72±0.09 (OS). It was concluded that triplex Doppler was important for the determination of vascular indexes of the ophthalmic artery, which can be used for monitoring animals with hemodynamic alterations of the eyes and monitoring the therapy of ocular diseases.Keywords: dog, ocular ultrasound, triplex Doppler, cataract RESUMO Descreveram-se os achados da ultrassonografia ocular convencional e, principalmente, do modo Doppler Triplex na avaliação de 10 cães da raça Poodle com catarata, contribuindo com parâmetros ainda não relatados em medicina veterinária. Foram utilizados 10 cães de diferentes idades e da raça Poodle, apresentando graus variados de catarata. Os animais foram submetidos ao exame oftalmológico e ultrassonográfico. Por meio da ultrassonografia avaliaram-se a anatomia ultrassonográfica dos bulbos oculares e a espessura axial da lente (EAL). Por meio do modo Doppler verificaram-se o tipo de fluxo sanguíneo da artéria oftálmica e seus índices vasculares, a velocidade sistólica (VS), o índice de resistência (RI) e a pulsatividade (PI). Os valores de EAL para olho direito (OD

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B-mode ultrasound examination of canine mammary gland neoplastic lesions of small size (diameter < 2 cm)

et al. 2018

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Ultrasonography is a valuable tool for the evaluation of neoplastic lesions in the dog and there is a growing interest in the use of this technique for the stadiation of canine mammary tumours. An accurate assessment of small sized nodules facilitates the stadiation of the mammary lesions and helps the clinician in the choice of the most indicated surgical therapy. The aim of this study was to identify those ultrasound criteria that may be useful in discriminating between benign and malignant lesions of small size (diameter smaller than 2 cm). Sixty-two nodules, < 2 cm in larger diameter, belonging to thirty-five bitches presented between January 2012 and February 2014 were evaluated. Tumours were observed by conventional ultrasound and assessed for: shape (regular-irregular), limit (defined-ill-defined), margins (regular-irregular), echogenicity (hypoechoic-isoechoic-hyperecoic), echotexture (homogeneus-heterogeneus), presence of hyperecoic halo, distal acoustic enhancement or shadowing and surrounding tissue alterations. Among the alterations in surrounding tissues, the disruption of the glandular tissue and the increase in echogenicity of the peritumoral tissues were assessed. Thereafter, bitches were subjected to mastectomy and nodules were evaluated histologically. None of the ultasound criteria considered in the current study showed a statistically significant relation with malignancy, except for the presence of alterations in the tissue surrounding the nodules. According to our results, this characteristic may indicate malignancy, however its subjectivity may affect the applicability in clinical practice. In conclusions, conventional ultrasound in bitches had a limited ability in discriminating benign and malignant mammary gland neoplastic lesions of small size (diameter < 2 cm).

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Conventional and Doppler ultrasound for the differentiation of benign and malignant canine mammary tumours

Abstract: Doppler evaluation may be used to predict malignancy of mammary tumours in bitches.

Cited by 41 publications

References 19 publications

Conventional and Doppler ultrasonography on a goat with gangrenous mastitis

Conventional and Doppler ultrasonography on a goat with gangrenous mastitis

Contribution of ocular B-mode and triplex Doppler in the evaluation of 10 Poodle dogs with cataracts

B-mode ultrasound examination of canine mammary gland neoplastic lesions of small size (diameter < 2 cm)

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