Veterinary Radiology & Ultrasound最新文献_第7页

Multiparametric myocardial mapping using cardiac magnetic resonance imaging in healthy dogs: Reproducibility, repeatability, and differences across slices, segments, and sequences. 利用心脏磁共振成像技术为健康犬绘制多参数心肌图：再现性、可重复性以及不同切片、区段和序列之间的差异。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-07-03 DOI: 10.1111/vru.13406

Dain Yun, Hye-Won Lee, Wooseok Jin, Kija Lee, Sang-Kwon Lee

{"title":"Multiparametric myocardial mapping using cardiac magnetic resonance imaging in healthy dogs: Reproducibility, repeatability, and differences across slices, segments, and sequences.","authors":"Dain Yun, Hye-Won Lee, Wooseok Jin, Kija Lee, Sang-Kwon Lee","doi":"10.1111/vru.13406","DOIUrl":"10.1111/vru.13406","url":null,"abstract":"Myocardial mapping in humans has been widely studied and applied to understand heart disease, facilitate early diagnosis, and determine therapeutic targets; however, the reproducibility, repeatability, and protocol-dependent differences in myocardial mapping in dogs remain unknown, which limits its application in dogs. This study investigated the reproducibility and test-retest repeatability of myocardial mapping in dogs and evaluated the differences according to slice, segment, and sequence. Precontrast T1 (native T1), T2 (T2), and T2* relaxation time (T2*), and extracellular volume (ECV) were measured at the base, midventricle, and apex of the left ventricle in six healthy beagles. To compare the sequences, the saturation recovery-based (SMART1) and inversion recovery-based (MOLLI) sequences were used for native T1 and ECV mapping. The intraclass correlation coefficient was measured to evaluate reproducibility and repeatability using the coefficient of variation and Bland-Altman analysis. All parameters showed good to excellent intra- and interobserver reproducibility and test-retest repeatability. The apex slice showed the lowest repeatability among the slices, whereas ECV had the lowest repeatability among the parameters. Native T1, ECV, and T2* did not differ according to slice, but T2 significantly increased from the base to the apex. Native T1 was significantly higher in SMART1 than in MOLLI, whereas ECV did not differ between the two sequences. Our results suggest that myocardial mapping is applicable in dogs with high reproducibility and repeatability, although slice and sequence differences should be considered. This study can serve as a guide for myocardial mapping studies in dogs with heart disease.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"628-639"},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141493559","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

A correlation of computed tomographic esophageal hiatal cross-sectional surface area between brachycephalic and nonbrachycephalic cats. 肱头猫与非肱头猫食管裂孔横截面积的计算机断层扫描相关性。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-07-17 DOI: 10.1111/vru.13410

Uhjin Kim, Jiyoung Ban, Jinhwa Chang, Kwangyong Yoon, Byeongjin Kim, Solji In, Jihyeon Park, Hyounglok Yoon, Chan Huh, Namsoon Lee, Dongwoo Chang

{"title":"A correlation of computed tomographic esophageal hiatal cross-sectional surface area between brachycephalic and nonbrachycephalic cats.","authors":"Uhjin Kim, Jiyoung Ban, Jinhwa Chang, Kwangyong Yoon, Byeongjin Kim, Solji In, Jihyeon Park, Hyounglok Yoon, Chan Huh, Namsoon Lee, Dongwoo Chang","doi":"10.1111/vru.13410","DOIUrl":"10.1111/vru.13410","url":null,"abstract":"In humans and dogs, especially brachycephalics, enlargement of the esophageal hiatus and insufficiency have been correlated with decreased lower esophageal sphincter pressure and increased frequency of gastroesophageal reflux. In cats, it has been suggested that gastroesophageal reflux occurs frequently with upper airway obstruction, including brachycephalics. Therefore, the purpose of the study was to determine whether the esophageal hiatal cross-sectional surface area (EH-CSA) differs between brachycephalic and nonbrachycephalic cats. Clinical records and CT images of cats that underwent thoracic, abdominal, and entire skull CT at multiple centers between January 2015 and September 2022 were retrospectively reviewed. Esophageal hiatal parameters (EH-CSA, EH-long axis diameter, and EH-short axis diameter) and craniometric indices (cranial index, skull index, and facial index) were measured by using multiplanar reconstruction, and the correlation of craniometry with EH-CSA was investigated. Ninety-eight cats (group 1: 42 brachycephalic cats and group 2: 56 nonbrachycephalic cats) were included. Esophageal hiatal cross-sectional surface area in brachycephalic cats was significantly larger than that in nonbrachycephalic cats. The EH-CSA significantly increased with the craniometric indices tending to increase with brachycephalism. The present study contributes to the veterinary literature by providing the EH-CSA as anatomical evidence that could likely correlate to gastroesophageal reflux predisposition in brachycephalic cats.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"650-658"},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141627813","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

Equine intervertebral disc disease with dorsal protrusion and spinal cord compression: A computed tomography, myelography, MRI, and histopathologic case study. 马椎间盘疾病伴有背侧突出和脊髓压迫：计算机断层扫描、脊髓造影、核磁共振成像和组织病理学病例研究。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-05-24 DOI: 10.1111/vru.13388

Michał Mól, Katherine Garrett, Rebecca Ruby, Jennifer Janes, Stephen Reed

引用次数: 0

Novel MRI and histopathological findings in a young Bullmastiff cross dog with mitochondrial fission encephalopathy. 一只患有线粒体分裂脑病的年轻斗牛犬杂交犬的磁共振成像和组织病理学新发现。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-05-06 DOI: 10.1111/vru.13342

Emma Suiter, Kerstin Baiker, Adriana Kaczmarska, Matthias Christen, Tosso Leeb, Alejandro Ororbia, Carlo Anselmi, Juan Minguez, Rodrigo Gutierrez-Quintana

引用次数: 0

Computed tomographic angiography of a presumed acquired transhepatic portosystemic shunt in a miniature horse filly. 一匹迷你马小马推测获得性经肝门体分流的计算机断层扫描血管造影。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-06-28 DOI: 10.1111/vru.13401

Maryam Iranmanesh, Amy F Sato, Wade Tenney, Emily J Brinker, Keaton Cortez, Melissa Mazan

引用次数: 0

Gadoxetate disodium (Gd-EOB-DTPA) contrast-enhanced magnetic resonance imaging for differentiation between benign and malignant splenic lesions in dogs. 钆喷酸二钠（Gd-EOB-DTPA）造影剂增强磁共振成像用于区分狗的良性和恶性脾脏病变。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-06-20 DOI: 10.1111/vru.13397

Cassie N Lux, Mee-Ja M Sula, Xiaocun Sun, Silke Hecht

{"title":"Gadoxetate disodium (Gd-EOB-DTPA) contrast-enhanced magnetic resonance imaging for differentiation between benign and malignant splenic lesions in dogs.","authors":"Cassie N Lux, Mee-Ja M Sula, Xiaocun Sun, Silke Hecht","doi":"10.1111/vru.13397","DOIUrl":"10.1111/vru.13397","url":null,"abstract":"Malignant splenic lesions in dogs are common, with hemangiosarcoma diagnosed most frequently, and there have been no consistent clinicopathologic, gross, or imaging characteristics identified that differentiate malignant from benign splenic lesions. Histopathology is required for definitive diagnosis, and given the poor long-term prognosis of malignant splenic lesions, a noninvasive tool to aid in diagnosis would be valuable. This prospective cohort study utilized gadoxetate disodium, a liver-specific contrast agent (Gd-EOB-DPTA; Eovist), to identify the general lesion and pre- and postcontrast signal characteristics of benign and malignant splenic and hepatic lesions in dogs with naturally occurring disease. Twenty-five dogs were enrolled, Eovist-enhanced MRI was performed, and dogs were taken to surgery for splenectomy and other organ biopsy. All histopathology and MRI studies were evaluated by a single pathologist and a single radiologist, respectively. The associations between the tumor type and numerous variables defined on MRI were evaluated using Fisher's exact tests, and the significance was identified at a P-value of .05. Malignant splenic masses were identified in 11/25 (44%) dogs, and 5/11 malignancies represented hemangiosarcoma. The presence of abdominal effusion (P = .017) and the presence of hepatic nodules on MRI (P = .009) were associated with splenic malignancy. There were no benign T2 hyperintense and no malignant T2 hypointense lesions (P = .021). Utilization of the T2 W MRI sequence may aid in the identification of malignant splenic lesions, particularly when accompanied by abdominal effusion and hepatic lesions.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"556-566"},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141427756","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 and magnetic resonance imaging features of canine cervical epidural dirofilariasis. 犬颈硬膜外二螺旋体病的计算机断层扫描和磁共振成像特征。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-07-17 DOI: 10.1111/vru.13400

Sohee Lim, MyungJo You, Sangjune Sohn, Sungjun Won, Donghyon Song, Yeonjung Hong

引用次数: 0

Computed tomographic characteristics of testicular teratoma in a cat. 猫睾丸畸胎瘤的计算机断层扫描特征。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-05-06 DOI: 10.1111/vru.13380

Takahiro Nagumo, Rika Yoshii, Yuji Uzuka, Yuki Hoshino, Kohei Nakata, Masaaki Katayama, Masahiro Yamasaki

引用次数: 0

The construction of canine distal limb models used in teaching sonography identification of vegetal foreign bodies. 犬远端肢体模型的构建，用于植物性异物的超声波识别教学。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-05-07 DOI: 10.1111/vru.13379

Ebony Schoenfeld, Felicity Stanley, Martin Combs, Esther Callcott, Alexandra Williams, Randi Rotne

{"title":"The construction of canine distal limb models used in teaching sonography identification of vegetal foreign bodies.","authors":"Ebony Schoenfeld, Felicity Stanley, Martin Combs, Esther Callcott, Alexandra Williams, Randi Rotne","doi":"10.1111/vru.13379","DOIUrl":"10.1111/vru.13379","url":null,"abstract":"Musculoskeletal ultrasonography is a useful tool to identify radiolucent vegetal foreign bodies (VFBs). However, limited ultrasound experience and unfamiliarity with the normal sonographic appearance of anatomical structures can decrease clinician confidence. This study aimed to design a reusable silicone model that can teach VFB identification within the canine distal limb. Four canine hindlimbs were used to design the silicone models, and 12 canine distal forelimbs were constructed. The model was constructed using cadaver bones, barley grass (Avena fatua) seeds, and silicone to mimic the anatomy of the canine distal limb with a grass seed VFB. Limbs were randomly grouped based on grass seed locations: (1) the interdigital webbing, (2) the palmar surface of the canine forelimb immediately proximal to the metacarpal pad, (3) the dorsal surface of the distal limb immediately proximal to the proximal phalange, or (4) no grass seed (control) placed. Each limb was systematically ultrasounded and compared with cadaver limbs and clinical VFB cases. A comparison of ultrasonographic images validated the construction, revealing that the simulation model replicates the anatomical and echotexture characteristics of the normal canine distal limb. Furthermore, these models also have a likeness to clinical canine distal limb VFB cases and can be utilized as a training tool.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"486-495"},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140858108","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

Intra- and interobserver agreement in computed tomography localization of primary nonhematopoietic hepatic masses and comparison with surgical and histopathological outcomes in 21 cats. 计算机断层扫描定位原发性非造血肝肿块的观察者内部和观察者之间的一致性，以及与 21 只猫的手术和组织病理学结果的比较。

IF 1.3 2区农林科学

Veterinary Radiology & Ultrasound Pub Date : 2024-09-01 Epub Date: 2024-05-06 DOI: 10.1111/vru.13376

Carli Bentley, Virginie Fouriez-Lablée, Matteo Rossanese

{"title":"Intra- and interobserver agreement in computed tomography localization of primary nonhematopoietic hepatic masses and comparison with surgical and histopathological outcomes in 21 cats.","authors":"Carli Bentley, Virginie Fouriez-Lablée, Matteo Rossanese","doi":"10.1111/vru.13376","DOIUrl":"10.1111/vru.13376","url":null,"abstract":"Computed tomography (CT) is commonly used in the staging of hepatic masses and for liver lobectomy planning. Mass location is an important factor in determining the feasibility of resection, including surgical technique and the likelihood of surgical complications. The objectives of this retrospective descriptive cross-sectional, observer agreement, method comparison study were to assess the reliability of CT in correctly determining the hepatic division and lobar site of origin of feline primary nonhematopoietic hepatic masses, compared with surgically confirmed locations. Furthermore, it provides an overview of the types and locations of liver masses found in a cohort of cats. Pre- and postcontrast CT images of 21 cats were independently and simultaneously reviewed by two observers. Intra- and interobserver agreements and descriptive statistics on demographic and histological diagnoses were calculated. Based on surgical assessment, it was found that masses most frequently originated from the left hepatic division (13/24, 54%). The most frequent lobar origins were the left lateral (8/24, 33%), left medial (5/24, 21%), and right medial lobes (5/24, 21%). No masses were found originating from the right lateral lobe. CT correctly determined hepatic division and lobar origin in 76% of cases, with good-to-excellent intra- and interobserver agreement. The hepatic division had higher agreements overall for both observers. Most of the masses were benign (17/21, 81%), and the most prevalent histological diagnoses were biliary cystadenoma (11/21, 52%) and hepatocellular adenoma (6/21, 29%). Findings suggest that postcontrast CT is a reliable method for correctly determining hepatic mass division and lobar origin in cats.","PeriodicalId":23581,"journal":{"name":"Veterinary Radiology & Ultrasound","volume":" ","pages":"469-476"},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140872042","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