Marcus Antônio Rossi Feliciano
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View article: Anais da III Conferência Internacional de Imaginologia Veterinária
Anais da III Conferência Internacional de Imaginologia Veterinária Open
É com grande satisfação que apresentamos os Anais da III Conferência Internacional de Imaginologia Veterinária – III CIIV 2025, um evento voltado para a difusão de conhecimento na área de Diagnóstico por Imagem, que teve como tema o sistem…
View article: 559 Board Prep to Bedside: Navigating Hard Conversations for Emergency Medicine’s New Certifying Exam
559 Board Prep to Bedside: Navigating Hard Conversations for Emergency Medicine’s New Certifying Exam Open
View article: Ultrasonographic detection of a synovial cyst adjacent to the coxofemoral joint of a dog: case report
Ultrasonographic detection of a synovial cyst adjacent to the coxofemoral joint of a dog: case report Open
Synovial cysts have been reported in various areas of the canine spine, however, to date, there are few studies on synovial cysts in other joints of the body. This report aims to describe a novel case of a synovial cyst adjacent to the hip…
View article: Laryngeal and pleural ultrasound and acoustic radiation force impulse elastography in dogs with brachycephalic obstructive airway syndrome
Laryngeal and pleural ultrasound and acoustic radiation force impulse elastography in dogs with brachycephalic obstructive airway syndrome Open
This study aimed to evaluate the pleural thickness, stiffness, and laryngeal stiffness in dogs clinically affected by brachycephalic obstructive airway syndrome using B-mode ultrasound and acoustic radiation force impulse elastography. Fif…
View article: Acoustic Radiation Force Impulse Elastographic Study of Lung Lesions in Dogs
Acoustic Radiation Force Impulse Elastographic Study of Lung Lesions in Dogs Open
This study aimed to evaluate the use of acoustic radiation force impulse (ARFI) elastography as a diagnostic tool for lung lesions in dogs. Dogs referred to the Radiology Department of the Veterinary Teaching Hospital between 2020 and 2022…
View article: B-Mode Ultrasonography and Acoustic Radiation Force Impulse Elastography in Evaluation of Urothelial Carcinoma in Dogs
B-Mode Ultrasonography and Acoustic Radiation Force Impulse Elastography in Evaluation of Urothelial Carcinoma in Dogs Open
Bladder tumors in dogs represent approximately 2% of all malignant lesions recorded, with urothelial carcinoma being the most common and aggressive form. This study aimed to characterize the elastographic properties of canine urothelial ca…
View article: B-Mode Ultrasonography and ARFI Elastography in Evaluation of Urothelial Carcinoma in Dogs
B-Mode Ultrasonography and ARFI Elastography in Evaluation of Urothelial Carcinoma in Dogs Open
Bladder tumors in dogs represent approximately 2% of all malignant lesions recorded, with urothelial carcinoma being the most common and aggressive form. This study aimed to characterize the elastographic properties of canine urothelial ca…
View article: Doppler velocimetry of the middle cerebral artery and basilar artery in clinically healthy dogs of different age groups
Doppler velocimetry of the middle cerebral artery and basilar artery in clinically healthy dogs of different age groups Open
Background Transcranial Doppler ultrasound is a low-cost test that provides real-time information on brain hemodynamics and makes it possible to detect and monitor hemodynamic disorders non-invasively by calculating Doppler velocimetric va…
View article: Multiparametric ultrasound (MPUS) evaluation of the testes of normozoospermic dogs – a pilot study
Multiparametric ultrasound (MPUS) evaluation of the testes of normozoospermic dogs – a pilot study Open
View article: Canine Multicentric Lymphoma: Diagnostic, Treatment, and Prognostic Insights
Canine Multicentric Lymphoma: Diagnostic, Treatment, and Prognostic Insights Open
Lymphoma accounts for 24% of all documented canine neoplasms and 85% of hematological malignancies, while multicentric lymphoma corresponds to 84% of all canine lymphomas. Canine lymphomas of B-cell origin account for 60% to 80% of lymphom…
View article: Swine clones: potential application for animal production and animal models
Swine clones: potential application for animal production and animal models Open
Somatic cell nuclear transfer (SCNT), or cloning, is used to reprogram cells and generate genetically identical embryos and animals. However, the cloning process is inefficient, limiting its application to producing valuable animals. In sw…
View article: Using elastography (Aoustic radiation force impulse) to correlate the effects of age, weight, sex, and Norberg angle on the pectineus muscle of dysplastic dogs
Using elastography (Aoustic radiation force impulse) to correlate the effects of age, weight, sex, and Norberg angle on the pectineus muscle of dysplastic dogs Open
Inspired by the possibility of further understanding the role of pectineus muscle in the pathophysiology of hip dysplasia, this study evaluated the correlation between the Norberg angle, weight, sex, and age with the acoustic radiation for…
View article: Elastographic and ultrasound findings of the dog`s kidneys exposed to cigarette smoke
Elastographic and ultrasound findings of the dog`s kidneys exposed to cigarette smoke Open
This study evaluated the effects of exposure to tobacco smoke on the kidneys of household dogs using B-mode ultrasonography and Shear-wave Elastography (SWE). Fifteen adult dogs were analyzed and divided into two groups: one exposed to pas…
View article: Systemic aspects of brachycephalic obstructive airway syndrome
Systemic aspects of brachycephalic obstructive airway syndrome Open
The aim of the study was to evaluate systemic health variables in brachycephalic dogs affected by brachycephalic obstructive airway syndrome (BOAS) and compare them with mesocephalic dogs, assessing if any changes are related to BOAS grade…
View article: Laryngeal and pleural ultrasound and elastography (ARFI) in dogs with brachycephalic obstructive airway syndrome
Laryngeal and pleural ultrasound and elastography (ARFI) in dogs with brachycephalic obstructive airway syndrome Open
The aim of the present study is to evaluate pleural thickness and stiffness and the laryngeal stiffness in dogs clinically affected by brachycephalic obstructive airway syndrome using B-mode ultrasound and acoustic radiation force impulse …
View article: Acoustic radiation force Impulse elastography to aid diagnosis of two canine malignant peripheral nerve sheath tumors
Acoustic radiation force Impulse elastography to aid diagnosis of two canine malignant peripheral nerve sheath tumors Open
This report described the use of acoustic radiation force impulse (ARFI) elastography in the diagnosis of two cases of canine malignant peripheral nerve sheath tumors. Both patients presented with lameness in the thoracic limb and no respo…
View article: Synovial Histiocytic Sarcoma in a Dog - Radiographic, Ultrasonographic and Elastographic Findings
Synovial Histiocytic Sarcoma in a Dog - Radiographic, Ultrasonographic and Elastographic Findings Open
Background: Histiocytic sarcoma is a malignant tumor that commonly affects large-breed, middle-aged dogs in the form of solitary masses that may affect joints and other organs. The imaging findings (radiography, ultrasound and elastography…
View article: Transthoracic Elastography in Differentiation of Lung Lesions in Dogs
Transthoracic Elastography in Differentiation of Lung Lesions in Dogs Open
The objective of this study was to evaluate the applicability of ARFI elastography in 36 prospective cases in differentiating parenchymal lung abnormalities in dogs: consolidations, atelectasis and neoplasms, the latter being subdivided in…
View article: Two-Dimensional Shear-Wave Elastography of the Thyroid in Clinically Healthy Dogs in Different Age Groups
Two-Dimensional Shear-Wave Elastography of the Thyroid in Clinically Healthy Dogs in Different Age Groups Open
The thyroid of dogs has not been extensively studied in 2D shear-wave elastography, making it challenging to apply this technique in the diagnosis of thyroid diseases in a non-invasive manner. The aim of this study is to evaluate the thyro…
View article: 2D Shear Wave Elastography of the Thyroid in Clinically Healthy Dogs of Different Age Groups
2D Shear Wave Elastography of the Thyroid in Clinically Healthy Dogs of Different Age Groups Open
Considering the age of the dogs, it was expected that elderly animals would have stiffer thyroids than adults. The aim of this study was to evaluate the thyroid glands of healthy dogs using 2D shear wave elastography in order to establish …
View article: Use of New Ultrasonography Methods for Detecting Neoplasms in Dogs and Cats: A Review
Use of New Ultrasonography Methods for Detecting Neoplasms in Dogs and Cats: A Review Open
The aim of this literature review was to present the novel imaging modalities elastography and contrast-enhanced ultrasonography. We provided an overview of the concepts and applications of each technique for the investigation of neoplasti…
View article: ARFI (Acoustic Radiation Force Impulse) elastography and B-mode ultrasonography of the adrenal glands in healthy dogs of different ages
ARFI (Acoustic Radiation Force Impulse) elastography and B-mode ultrasonography of the adrenal glands in healthy dogs of different ages Open
Sixty adrenals of 30 dogs were evaluated, divided into three groups, according to age: Group 1 = healthy youngsters (10 animals) - from one to three years old; Group 2 = healthy adults (10 animals) - four to nine years old; and Group 3 = h…
View article: Evaluation of ARFI elastography for detecting active mastitis in sheep with previous fibrous lesions: a study of mammary parenchyma and supramammary lymph nodes
Evaluation of ARFI elastography for detecting active mastitis in sheep with previous fibrous lesions: a study of mammary parenchyma and supramammary lymph nodes Open
The aim of the study was to evaluate the use of Acustic Radiation Force Impulse (ARFI) elastography in mammary parenchyma and supramammary lymph nodes, for detection of active mastitis in sheep with naturally infected chronic fibrous lesio…
View article: Use of New Ultrasonography Methods for Detecting Neoplasms in Dogs and Cats: A Review
Use of New Ultrasonography Methods for Detecting Neoplasms in Dogs and Cats: A Review Open
The aim of this literature review was to present the novel imaging modalities elastography and contrast-enhanced ultrasonography. We provided an overview of the concepts and applications of each technique for the investigation of neoplasti…
View article: Calcium Carbide Poisoning in a Dog - Ultrasound Findings
Calcium Carbide Poisoning in a Dog - Ultrasound Findings Open
Background: Calcium carbide has been used not only in industry, but it is also present in the domestic environment. Thissubstance goes through chemical reactions that lead to the release of acetylene gas and heat being capable of causing b…
View article: B-mode ultrasonography and ARFI elastography of articular and peri-articular structures of the hip joint in non-dysplastic and dysplastic dogs as confirmed by radiographic examination
B-mode ultrasonography and ARFI elastography of articular and peri-articular structures of the hip joint in non-dysplastic and dysplastic dogs as confirmed by radiographic examination Open
View article: Abdominal perfusion in canine patients with pyometra and sepsis evaluated by Doppler and contrast-enhanced ultrasound
Abdominal perfusion in canine patients with pyometra and sepsis evaluated by Doppler and contrast-enhanced ultrasound Open
Background Sepsis is a condition characterized by organic dysfunction, leading to hemodynamic instability and high morbidity and mortality rates in humans and animals. Early identification of perfusion changes and appropriate management of…
View article: Hemangiosarcoma in the Vastus Lateralis Musculature of a Bitch - Sonographic Findings
Hemangiosarcoma in the Vastus Lateralis Musculature of a Bitch - Sonographic Findings Open
Background: A 10-year-old spayed bitch with hip dysplasia was referred for periarticular ultrasound evaluation. A poorly marginated structure of mixed echogenicity, predominantly hypoechoic, with heterogeneous echotexture, was identified i…
View article: Anais da II Conferência Internacional de Imagenologia Veterinária
Anais da II Conferência Internacional de Imagenologia Veterinária Open
A medicina veterinária evoluiu significativamente nas últimas décadas e a utilização da imaginologia se tornou uma ferramenta indispensável para o diagnóstico e tratamento de diversas condições neurológicas e ortopédicas em animais. Com es…
View article: The Importance of Ultrasonography in the Evaluation of Mammary Tumors in Bitches
The Importance of Ultrasonography in the Evaluation of Mammary Tumors in Bitches Open
The high incidence of mammary tumors in small animals is concerning. Patient history, clinical examination, physical evaluation, and imaging studies are important for clinical staging. Ultrasonography is commonly applied to investigate the…