Veterinary Radiology & Ultrasound最新文献

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-19 DOI: 10.1111/vru.13461

引用次数: 0

Detection of early renal perfusion changes by contrast-enhanced ultrasonography in dogs with preclinical myxomatous mitral valve disease. 通过对比增强超声波成像检测临床前肌瘤性二尖瓣病犬的早期肾脏灌注变化

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-12 DOI: 10.1111/vru.13459

Saho Kamata, Tomoya Morita, Masahiro Yamasaki

{"title":"Detection of early renal perfusion changes by contrast-enhanced ultrasonography in dogs with preclinical myxomatous mitral valve disease.","authors":"Saho Kamata, Tomoya Morita, Masahiro Yamasaki","doi":"10.1111/vru.13459","DOIUrl":"https://doi.org/10.1111/vru.13459","url":null,"abstract":"Since the prognosis of myxomatous mitral valve disease (MMVD) varies, its characterization is clinically relevant, and renal impairment has been identified as one of its associated factors. Intrarenal Doppler ultrasonography (IRD), an intrarenal hemodynamic assessment method, is useful for predicting cardiac- and renal-related death but cannot detect early changes in dogs with preclinical MMVD. Contrast-enhanced ultrasonography (CEUS), another intrarenal hemodynamic assessment method, may identify earlier changes; however, renal perfusion evaluations using CEUS have not yet been performed on dogs with MMVD. We hypothesized that CEUS detects changes earlier than IRD in dogs with preclinical MMVD. This prospective, cross-sectional study examined renal perfusion in dogs without cardiac disease and preclinical MMVD dogs of different American College of Veterinary Internal Medicine stages using CEUS and compared it with IRD indices. Twenty-three dogs with MMVD (ten stage B1 and thirteen stage B2) and 12 control dogs without cardiac disease were included. The rise times of the renal cortex and medulla were measured from a time-intensity curve. The rise time of the cortex was longer in dogs with stage B2 MMVD than in control dogs, while that of the medulla was shortened in the right ventricular dysfunction group in stage B2. No changes were observed in IRD indices (the resistance index and venous impedance index). In conclusion, CEUS detected changes in renal perfusion in dogs with preclinical MMVD even when IRD indices remained unchanged, suggesting the utility of CEUS in evaluations of renal perfusion in MMVD dogs.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142629258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ultrasonographic characteristics of splenic stromal sarcoma in 13 dogs. 13 只狗脾脏间质肉瘤的超声特征

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-09 DOI: 10.1111/vru.13460

Rachel M Sullivan, Elyshia J Hankin

引用次数: 0

Characteristics and diagnostic performance of nonechoplanar diffusion-weighted imaging in detecting canine tympanokeratoma (cholesteatoma). 非平切面弥散加权成像在检测犬鼓室瘤（胆脂瘤）方面的特点和诊断性能。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-01 Epub Date: 2024-09-27 DOI: 10.1111/vru.13435

Charlotte Coeuriot, Hugues Gaillot, Albert Agoulon, Stephane Madec, Guillaume Michel, Pascal Prelaud, Amaury Briand, Emmanuel Bensignor, Vincent Bruet, Jérôme Abadie, Yannick Ruel, Marion Fusellier

{"title":"Characteristics and diagnostic performance of nonechoplanar diffusion-weighted imaging in detecting canine tympanokeratoma (cholesteatoma).","authors":"Charlotte Coeuriot, Hugues Gaillot, Albert Agoulon, Stephane Madec, Guillaume Michel, Pascal Prelaud, Amaury Briand, Emmanuel Bensignor, Vincent Bruet, Jérôme Abadie, Yannick Ruel, Marion Fusellier","doi":"10.1111/vru.13435","DOIUrl":"10.1111/vru.13435","url":null,"abstract":"Tympanokeratomas (cholesteatomas) are destructive keratinic masses of the middle ear that are often treated surgically. In humans, nonechoplanar (non-EP) diffusion-weighted (DW) MRI is efficient in diagnosing tympanokeratomas and differentiating recurrent tympanokeratomas from granulation or fibrous tissue after surgery. The objectives of this study were to (1) determine the characteristics of non-EP DWI of histologically or cytologically confirmed canine tympanokeratomas, (2) determine the performance of non-EP DW images, apparent diffusion coefficient (ADC) map and ADC values in discriminating between tympanokeratomas and other causes of otitis media in dogs, and (3) find an optimal ADC cut-off value. Medical records of dogs diagnosed on MRI with otitis media in two veterinary hospitals were retrospectively reviewed. Sixty-two ears with a cytological or pathological diagnosis of either tympanokeratoma (36/62) or nontympanokeratoma otitis media (26/62) were selected. Diffusion-weighted images had an accuracy of 77.4%, a sensitivity of 94.4%, and a specificity of 53.8% for the detection of tympanokeratoma. The ADC value of middle ear content ranged from 517 to 1355.10-6 mm2/s in tympanokeratoma and from 454 to 2447 × 10-6 mm2/s in nontympanokeratoma otitis media. An ADC value below 916 × 10-6 mm2/s interpreted as a tympanokeratoma yielded an accuracy of 78.7%, a sensitivity of 92.6%, and a specificity of 60%. In the study population, combined qualitative analysis of DW images and ADC maps was the most effective method for diagnosing tympanokeratomas with an accuracy of 80.9%, a sensitivity of 92.6%, and a specificity of 65%.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"836-843"},"PeriodicalIF":1.3,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142354789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Quantitative MRI for brain lesion diagnosis in dogs and cats: A comprehensive overview. 用于犬猫脑损伤诊断的定量 MRI：全面概述。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-01 Epub Date: 2024-09-27 DOI: 10.1111/vru.13434

Cassandra Céré, Valentina Curcio, Hugo Dorez, Maud Debreuque, Florence Franconi, David Rousseau

引用次数: 0

Feasibility assessment of inspiration breath-hold motion management for tumor tracking during cone-beam computed tomography for setup and radiotherapy in Veterinary Medicine: A pilot study. 用于兽医学中设置和放射治疗的锥形束计算机断层扫描过程中肿瘤跟踪的吸气憋气运动管理的可行性评估：试点研究。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-01 Epub Date: 2024-07-15 DOI: 10.1111/vru.13412

Keiko Murakami, Nicholas Rancilio, Lisa Foster

{"title":"Feasibility assessment of inspiration breath-hold motion management for tumor tracking during cone-beam computed tomography for setup and radiotherapy in Veterinary Medicine: A pilot study.","authors":"Keiko Murakami, Nicholas Rancilio, Lisa Foster","doi":"10.1111/vru.13412","DOIUrl":"10.1111/vru.13412","url":null,"abstract":"Radiotherapy (RT) for lung or liver tumors can be challenging due to respiration-induced organ motion (RIOM). There are some methodological solutions to minimize RIOM. We explored a new approach to evaluate the feasibility and reproducibility of RIOM during RT with five total client-owned tumor-bearing animals using a remote-triggered breath-hold ventilator under general anesthesia during image acquisition and RT. There was one stereotactic body radiotherapy, one conventionally fractionated definitive intent, and three conventionally fractionated palliative intent RT cases. Based on repeated cone beam CT, there were no treatment table shifts required prior to initiating beam on. No clinically significant complications such as hypotension occurred during anesthesia. This technique appeared to be safe in this group of patients and was easily clinically implemented and highly reproducible. More complete follow-up data and larger studies are needed to evaluate clinical outcomes with this breath-hold ventilator technique in veterinary RT.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"672-678"},"PeriodicalIF":1.3,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141617187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Computed tomographic characteristics of anatomical variations of external and internal jugular veins in dogs. 狗颈外静脉和颈内静脉解剖变异的计算机断层扫描特征。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-01 Epub Date: 2024-08-19 DOI: 10.1111/vru.13419

Seng Fong Lau, Brooke Dubansky, Chin-Chi Liu, Nathalie Rademacher

{"title":"Computed tomographic characteristics of anatomical variations of external and internal jugular veins in dogs.","authors":"Seng Fong Lau, Brooke Dubansky, Chin-Chi Liu, Nathalie Rademacher","doi":"10.1111/vru.13419","DOIUrl":"10.1111/vru.13419","url":null,"abstract":"The external jugular vein (EJV) has been commonly used for clinical procedures in veterinary medicine, while the internal jugular vein (IJV) has been used mainly for research. Limited literature regarding anatomical variants in both EJV and IJV is available. The objectives of this descriptive retrospective study were to identify the number of dogs with variations of the jugular veins in canine patients undergoing CT of the head and neck and characterize these variations. Of 1000 dogs, 193 dogs (19.3%) had anatomical variations. Six types of anatomical variations were identified. The most common Type I was the absence of the linguofacial vein (72.0%, n = 139), with the lingual, facial, and maxillary veins entering the EJV at a common branching point. Type II described a variable course of the EJV and IJV, which in some dogs resulted in the absence of the EJV (14.0%, n = 27). Type III was a variable anastomotic loop formed by the linguofacial or maxillary vein cranial or at the junction of the EJV (4.2%, n = 8). In Type IV, the EJV was either suspected to be aplastic or markedly reduced in diameter compared with the contralateral side just distal to its formation (3.6%, n = 7). Type V was found in only six dogs (3.1%) with unilateral differences in the diameter of the IJV. Six of 193 dogs had a combination of more than one variation (Type VI, 3.1%). Type I was significantly observed more frequently in meso- and dolichocephalic breeds. Type II was significantly observed more frequently in brachycephalic breeds.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"727-734"},"PeriodicalIF":1.3,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142005404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Clinical presentation, imaging characteristics, and short-term outcome of eight cats presented with suspected traumatic atlantoaxial hyperflexion. 八只疑似外伤性寰枢椎过度屈曲猫的临床表现、影像学特征和短期疗效。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-01 Epub Date: 2024-09-19 DOI: 10.1111/vru.13432

Cesar Llanos, Ella Fitzgerald, Bernat Marti-Garcia, Steven De Decker

{"title":"Clinical presentation, imaging characteristics, and short-term outcome of eight cats presented with suspected traumatic atlantoaxial hyperflexion.","authors":"Cesar Llanos, Ella Fitzgerald, Bernat Marti-Garcia, Steven De Decker","doi":"10.1111/vru.13432","DOIUrl":"10.1111/vru.13432","url":null,"abstract":"Traumatic atlantoaxial hyperflexion is considered rare in cats, and only a few case reports have been published. There are other conditions that can result in a peracute onset of neurological signs localized to the cervical spinal cord segments, including acute noncompressive nucleus pulposus extrusion, ischemic myelopathy, or vertebral fractures. Appropriate treatment for these conditions can only be initiated after an accurate diagnosis has been obtained. The aim of this observational, retrospective, single-center, descriptive case series study was to describe the clinical presentation, imaging characteristics, and short-term outcome of eight cats presented with suspected traumatic atlantoaxial hyperflexion. Young male healthy domestic shorthair cats were overrepresented (7/8) and typically presented with a peracute, nonprogressive, nonpainful, nonlateralizing C1-C5 myelopathy (tetraplegia or nonambulatory tetraparesis) following a road traffic accident or head trauma. All MRI studies demonstrated a solitary, focal, ill-defined intramedullary lesion immediately dorsal to the dens of the axis, affecting both grey and white matter. All cats were treated medically. In 50% of the cats, the neurological grade improved at discharge or short-term follow-up, 25% of the cats recovered completely, one cat was static at short-term follow-up, and one cat was euthanized due to persistent forebrain signs and lack of neurological improvement.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"810-818"},"PeriodicalIF":1.3,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142296655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Initial treatment experience obtained with the real-time predictive motion tracking radiotherapy platform Synchrony: A pilot study. 使用实时预测运动跟踪放疗平台 Synchrony 获得的初步治疗经验：一项试点研究。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-01 Epub Date: 2024-08-19 DOI: 10.1111/vru.13421

Nathaniel Van Asselt, Neil Christensen

引用次数: 0

Radiographic and computed tomographic findings of intrathoracic ectopic liver in a dog. 一只狗胸腔内异位肝脏的 X 射线和计算机断层扫描结果。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-11-01 Epub Date: 2024-08-19 DOI: 10.1111/vru.13422

Jeongyun Jeong, Jupill Chang, Seunghee Lee, Kyuchang Kim, Jaehwan Kim, Kidong Eom

引用次数: 0