Computer tomography measurements of the airway and thoracic cavity do not provide support for bronchial conformation as a predisposing factor of left cranial lung lobe torsion in pugs
Wiley Online Library » Veterinary Radiology & Ultrasound
by Nick Gall, Daniel R. Butts, Guillaume P. Chanoit, Alison C. Major
2d ago
Abstract The objective of this retrospective clinical study was to determine if airway or thoracic cavity measurements in pugs, particularly the left cranial lung lobe, were significantly different from brachycephalic and mesocephalic control. Thoracic computed tomographic studies of 10 pugs, French bulldogs (FB), and Jack Russell Terriers (JRT) were analyzed. Thoracic height: width ratio (H:W), cross-sectional areas of the left mainstem bronchus (CSA LMB), left cranial lung lobe bronchus (CSA LCrBr), left caudal lung lobe bronchus (CSA LCauBr), CSA LCrBr relative to length (CSA LCrBr/length ..read more
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Radiographic and computed tomographic characteristics of intraluminal tracheal adenoma in a cat
Wiley Online Library » Veterinary Radiology & Ultrasound
by Yoojin An, Yeonhee Lee, Sungsoo Kim, Kichang Lee, Hakyoung Yoon
2d ago
Abstract A 13-year-old spayed female Persian cat presented with dyspnea and nasal discharge. Thoracic radiography revealed a dome-shaped soft-tissue opacity in the carina. Computed tomography confirmed a soft tissue-attenuating mass in the carina and the left and right proximal main bronchi that appeared to arise from the tracheal wall. Tracheoscopy revealed an intraluminal broad-based mass with multilobulated borders at the same location. Histopathological evaluation revealed a benign neoplastic process of the glandular epithelial lineage, which was considered an adenoma. Tracheal adenomas sh ..read more
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Hyperechogenicity of the pyloroduodenal junction in small dogs: Population prevalence in 175 dogs and histological correlation in 14 specimens
Wiley Online Library » Veterinary Radiology & Ultrasound
by Jamie Balducci, Cesar Piedra‐Mora, Samuel Jennings, Agustina Anson, Dominique Penninck
1w ago
Abstract At the pyloroduodenal junction (PDJ), an increase in wall echogenicity is frequently observed. A prospective study was performed to assess the PDJ sonographically in 175 adults and small dogs (>1 year old, <11.4 kg (25 lb)) over 12 months to evaluate the prevalence of this finding. Additionally, changes in echogenicity were correlated with histology in 14 postmortem specimens. A scoring system of echogenicity change centered on the mucosa and submucosa of the PDJ was implemented; 0: no change, 1: mild, 2: moderate to marked. Other included parameters were age, sex, bre ..read more
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Quantitative studies on B‐mode ultrasound and point shear wave elastography of kidneys in nonazotemic dogs
Wiley Online Library » Veterinary Radiology & Ultrasound
by Biswadeep Jena, Jitender Mohindroo, Kuldip Gupta, Navdeep Singh
1w ago
Abstract Renal diseases in dogs can be diagnosed effectively using B-mode ultrasound. Point shear wave elastography (pSWE) has demonstrated usefulness in diagnosing renal diseases in human medicine. However, its application in veterinary medicine is in its nascent stage. It was hypothesized that establishing pSWE reference values in nonazotemic dogs would prove valuable in differentiating renal diseases. In light of this, a single-center, quantitative study with an objective to normalize B-mode ultrasound parameters and pSWE values of the kidney in nonazotemic dogs was conducted. A total of 19 ..read more
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Digital postprocessing analysis of prostatic perfusion in neutered dogs
Wiley Online Library » Veterinary Radiology & Ultrasound
by Stefano Spada, Sebastian Arlt, Daniela De Felice, Gary C. W. England, Marco Russo
1w ago
Abstract B-mode ultrasound is routinely performed to evaluate the prostate gland in neutered dogs, although, the detection of malignancies may be challenging. Contrast-enhanced ultrasound (CEUS) has shown to be useful for the assessment of prostatic perfusion in normal and diseased dogs, although the interpretation of contrast ultrasonographic features may still be subjective. A quantitative tool for evaluating prostatic perfusion might improve the reliability of the results in terms of early detection of prostate neoplasia in neutered dogs. The present study aimed to evaluate the applicabilit ..read more
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Fluoroscopically measured bronchial collapse in healthy dogs during cough exceeds 25%, and a cutoff of 60% bronchial collapse can be used to distinguish healthy from chronically coughing dogs
Wiley Online Library » Veterinary Radiology & Ultrasound
by Carolyn Blank, L. Abbigail Granger, Lorrie Gaschen, Chin‐Chi Liu, Frederic Gaschen
1w ago
Abstract Bronchomalacia, the weakening of bronchial cartilage, is a common cause of cough in dogs. The gold standard for diagnosis of bronchomalacia is bronchoscopy; however, fluoroscopy is often used as a preliminary diagnostic test due to its noninvasiveness. The normal amount of bronchial collapse in healthy dogs using fluoroscopy has not been previously established, with some authors citing <25%. The aims of this prospective and retrospective analytical observational study were to determine the normal amount of airway collapse in healthy animals, the amount of airway collapse in dogs wi ..read more
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Emphysematous pyometra and emphysematous hepatitis caused by Klebsiella pneumoniae infection in a diabetic dog
Wiley Online Library » Veterinary Radiology & Ultrasound
by Anna Palomares, Yvonne Espada, Mauricio Tobón Restrepo, Maria Lourdes Abarca, Carlos Torrente, Laura Martino, Clàudia Viñeta, Xavier Roura, Rosa Novellas
1w ago
Abstract A 14-year-old intact female diabetic dog presented with seizures and hyperglycemic hyperosmolar syndrome. Radiographs revealed gas-filled tubular structures in the right and left caudal abdomen, raising concerns of emphysematous pyometra or small intestinal ileus. Ultrasonography played a pivotal role in confirming emphysematous pyometra, a technique previously documented only once in veterinary practice. This report also presents the first documented case of emphysematous pyometra in a diabetic dog attributed to Klebsiella pneumoniae and complicated by emphysematous hepatitis ..read more
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Spinal lymphoma in a goat
Wiley Online Library » Veterinary Radiology & Ultrasound
by Jannis Nankemann, Merrilee Holland, Samantha Glamann, Robert Cole, Jenna Stockler, Rachel Moon
2w ago
Abstract A 3-year-old Pygmy Wether was presented for chronic hindlimb paralysis. A neurological exam revealed nonambulatory paraplegia with absent deep pain nociception, lack of hindlimb withdrawal reflexes, and paraspinal pain on palpation with T3 to L3 neurolocalization. MRI of the lumbar spine revealed an extensive, dorsal to dorsolateral, severely compressive, heterogeneously contrast-enhancing extradural lesion of the lumbar spine with intervertebral foraminal extension into the surrounding paraspinal musculature. Vertebral bone marrow involvement was also noted in the L5 and L6 vertebrae ..read more
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Myelo‐CT imaging findings in 15 dogs with surgically‐treated cervical acute compressive hydrated nucleus pulposus extrusion
Wiley Online Library » Veterinary Radiology & Ultrasound
by Alba Farré Mariné, Marta López Beltran, Sonia Ortiz Nisa, Alejandro Luján Feliu‐Pascual
2w ago
Abstract Compressive hydrated nucleus pulposus extrusion (HNPE) is a sudden extrusion of hydrated, nondegenerated nucleus pulposus material with well-known characteristic MRI findings. The appearance of compressive HNPE during contrast-enhanced CT has already been described, but never its myelo-CT characteristics. The aim of this retrospective multicenter case series is to describe the myelo-CT findings in 15 dogs with compressive HNPE confirmed with gross surgical findings. A distinctive and consistent myelo-CT appearance of cervical compressive HNPE in dogs that included a focal extradural ..read more
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CT features of cutaneous and subcutaneous canine mast cell tumors and utility of conventional and indirect lymphography to detect clinically unknown mast cell tumors and to map the sentinel lymph nodes
Wiley Online Library » Veterinary Radiology & Ultrasound
by Beatrice Gianni, Roberta Franchi, Mirko Mattolini, Barbara Contiero, Gregorio Carozzi, Luigia Nappi, Rocchina Cammarota, Elvanessa Caleri, Federica Rossi
3w ago
Abstract Computed tomography is frequently used to stage canine mast cell tumors (MCTs). The aims of this prospective, observational study were to describe the CT features of MCTs, to evaluate the performance of CT in detecting additional or incidental MCTs, to distinguish between cutaneous (cMCT) or subcutaneous (scMCT) MCTs, and to identify one or multiple sentinel lymph nodes (SLNs) by indirect CT lymphography (ICTL). Seventy-two dogs affected by 111 MCTs were included. The recorded parameters were: shape, size, attenuation (Hounsfield units [HU]), location (cutaneous or subcutaneous), and ..read more
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