OOIR: Observatory of International Research

Papers

(The TQCC of Veterinary Radiology & Ultrasound is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-08-01 to 2026-08-01.)

Article	Citations
	69
Abstracts from the 2022 ACVR Scientific Conference, Reno NV, October 18–22, 2022	45
	40
The heart to single vertebra ratio: A new objective method for radiographic assessment of cardiac silhouette size in dogs	28
Computed tomography of suppurative and neoplastic diseases involving the canine omenta and omental bursa	26
Novel MRI and histopathological findings in a young Bullmastiff cross dog with mitochondrial fission encephalopathy	17
In Memoriam: John (Jack) Alexander, DVM	17
Ultrasonographic intestinal muscularis thickening in dogs with histologically confirmed inflammatory bowel disease: 13 cases (2010–2021)	16
Radiomics in veterinary medicine: Overview, methods, and applications	15
Magnetic Resonance Imaging Features of Intravascular Osteosarcoma Affecting the Ventral Internal Vertebral Venous Plexus Causing Cervical Myelopathy in a Dog	14
The effects of alfaxalone on cardiac and pulmonary vascular size in cats evaluated by thoracic radiography and echocardiography	14
Computed tomography features and prevalence of focal diaphragmatic mineralization in 300 dogs	14
Issue Information	13
AWARDS AND AUTHOR INSTRUCTIONS	13
Acknowledgment of 2021–2022 Editorial Board members and peer reviewers for Veterinary Radiology & Ultrasound	12
Magnetic resonance imaging signal changes at the intramuscular injection site in dogs: Comparison of medetomidine and saline	12
Widespread Osteolysis as an Uncommon Manifestation of Equine Sarcoidosis	12
Ultrasound‐Guided Cerebrospinal Fluid Collection at the Atlantoaxial Space in Mature Cattle With a Comparative Evaluation of Lumbosacral Cerebrospinal Fluid Collection	12
Advancing Veterinary Imaging: Insights and Future Directions for Renal Lymphangiectasia Diagnosis	11
Prevalence of incidental humeral intracondylar fissures in brachycephalic breed dogs in CT studies	11
Re: American College of Veterinary Radiology and European College of Veterinary Diagnostic Imaging Position Statement on Artificial Intelligence	11
Emphysematous Osteomyelitis: A Rare Manifestation of Osteomyelitis in Dogs. Multimodality Diagnostic Imaging and Evaluation of Clinical Progression	11
Cone‐beam computed tomography produces images of numerically comparable diagnostic quality for bone and inferior quality for soft tissues compared with fan‐beam computed tomography in cadaveric equine	10
CT–MRI Fusion for Radiation Treatment Planning and Serial Imaging of a Canine Maxillofacial Osteosarcoma	10
Radiological abnormalities of the cervicothoracic vertebrae in Warmblood horses with primary neck‐related clinical signs versus controls	9

MRI ischemic and hemorrhagic lesions in arterial and venous territories characterize central nervous system intravascular lymphoma in dogs	9
Radiographic anatomy of the nasal conchal bullae and conchal sinuses in mature horses	9
CT features of rounded atelectasis in chronic inflammatory pleural effusions in cats and dogs	8
MRI of a middle ear cholesteatoma in a cat	8
Ectopic Splenic Tissue Mimicking Malignant Neoplasia in a Dog	8
An Anomalous Connection of the Left Hepatic Vein with the Coronary Sinus in a Selkirk Rex Cat with a Portosystemic Shunt	8
Ultrasonographic Measurement of Kidney‐to‐Aorta Parameters in French Bulldogs	8
Imaging Diagnosis: Thoracic radiographic features of toxoplasmosis in a 14‐month‐old Red Kangaroo (Macropus rufus)	7
ECG‐Gated Cardiac Multidetector CT Evaluation of the Normal Pulmonary Valve and Right Ventricular Outflow Tract in Dogs	7
Diagnostic Threshold Identification for Equine Laminitis Using Smoothed Receiver Operating Characteristic Analysis	7
Presumed residual thymic tissue is a common finding in thoracic computed tomography in adult dogs	7
Segmental Megaesophagus Secondary to Extraluminal Esophageal Stenosis Caused by Transitional Seventh Cervical Vertebra and Supernumerary Ribs in a Goat	7
The most common types of uroliths larger than 1 mm are readily visible and accurately measured in an in vitro setting mimicking the canine abdomen using digital radiography	7
Characteristics and diagnostic performance of nonechoplanar diffusion‐weighted imaging in detecting canine tympanokeratoma (cholesteatoma)	7
High‐Field Magnetic Resonance Imaging Features of the Coelomic Organs in Three Species of Chelonians	7
Imaging features of benign synovial inflammation affecting the long digital extensor tendon sheath in a dog	6
Use of cardiac gated computed tomography in the diagnosis of a rare congenital cardiovascular anomaly in an adult alpaca	6
AWARDS AND AUTHOR INSTRUCTIONS	6
Computed tomographic findings in canine and feline heart base tumors (25 cases)	6
Computed Tomography Appearance and Characteristics of Presumptively Normal Brachial Plexus in Dogs	6
	6
Effect of a Standardized Sedation Protocol on Portal Vein Velocity Measurements in Hospitalized Dogs Using Triplex‐Doppler Ultrasonography	6
Quantitative Parameters of Contrast‐Enhanced Ultrasonography (CEUS) Monitoring Ovarian Hemodynamics in Rats	6
Echocardiographic, thoracic ultrasonographic, and CTA diagnosis of pericardial neoplasia in a dog	6
Ultrasound, Retrograde Urethrography, and Computed Tomography Diagnosis of Urinary Bladder Torsion in a Dog After Resection of a Vaginal Mass	6
Defining Variations in the Size of Normal Pituitary Glands and Pituitary Macrotumors Based on Canine Skull Morphology	6
Computed tomographic features of suspected arterial pseudoaneurysm in the head and neck of four dogs	6
Hypoechoic ultrasonographic findings in the patellar ligaments are common in riding and trotting horses in training (116 cases)	6
Diagnostic imaging and histopathologic features of rounded atelectasis in four cats and one dog: A descriptive case series study	6
Ultrasonographic and contrast‐enhanced CT imaging diagnosis of idiopathic renal hematuria with bilateral hydronephrosis and hydroureter in a dog	6
Magnetic Resonance Imaging Features of Spontaneous Subdural Hematoma Secondary to Necrotizing Encephalitis in a Dog	6
AWARDS AND AUTHOR INSTRUCTIONS	5
Establishment of Reference Ranges for Left Heart Echocardiography‐Related Parameters in Seven Common Small Dog Breeds in Taiwan and Their Relationships with Body Weight, Age, and Sex	5
Alterations to the synovial invaginations of the navicular bone are associated with pathology of both the navicular apparatus and distal interphalangeal joint when evaluated using high field MRI	5
Non‐brachycephalic dogs with stertor have higher nasopharyngeal collapsibility compared with dogs without stertor and foramen lacerum level is ideal for evaluating nasopharyngeal collapse on dynamic C	5
Investigation of the Accuracy and Contributing Factors of AI‐Based Diagnosis of Urothelial Carcinoma in Canine Abdominal Radiography	5
Canine primary liver tumors treated with stereotactic body radiation therapy: A case series	5
B‐Mode Ultrasonographic Evaluation and Reference Dimensions of the Liver and Spleen in Healthy Lactating Saanen Goats	5
Multifocal spinal inflammatory myofibroblastic tumors in a juvenile paraparetic dog	5
Issue Information	5
Computed tomographic anatomic variations of the phrenicoabdominal veins in cats	5
Myelo‐CT imaging findings in 15 dogs with surgically‐treated cervical acute compressive hydrated nucleus pulposus extrusion	5
	5
Radiographic Findings in Dogs With Patent Ductus Arteriosus: Left‐to‐Right, Right‐to‐Left, and Bidirectional Shunt	4
The construction of canine distal limb models used in teaching sonography identification of vegetal foreign bodies	4
Magnetic resonance imaging features of presumed intracerebral hemorrhages in dogs show a significant association between apparent diffusion coefficient peripheral layer and estimated bleeding age and	4
Lumbosacral endplate contour defect is frequently observed concurrent with other lumbosacral abnormalities on spinal CT of French Bulldogs	4
Comparison of radiography and CT for the evaluation of third carpal bone slab fractures in Thoroughbred racehorses	4
Estimation of urinary volume through ultrasonography in dog cadavers and experimental models	4
Establishment of a sequential dual tracer ¹⁸F‐NaF/¹⁸F‐FDG PET protocol for imaging the equine foot	4

Correction to “Computed Tomographic Tenography of the Equine Carpal Flexor Tendon Sheath”	4
Computed tomographic features of canine intracranial and jugular foraminal masses involving the combined glossopharyngeal, vagus, and accessory nerve roots	4
Prevalence of presumed endplate junction failure at the lumbosacral intervertebral junction in dogs on computed tomography	4
Imaging and Histopathological Findings of Phyllodes Tumor of the Prostate in a Cat	4
Ultrasonographic comparison of the intermediate patellar ligament in warmbloods versus quarter horses	4
Can CT texture analysis parameters be used as imaging biomarkers for prediction of malignancy in canine splenic tumors?	4
Pilot study evaluating the tolerability of a 3 Gy × 10 daily fraction 3D‐conformal palliative radiation therapy protocol plus toceranib for the treatment of measurable carcinomas in the dog	4
The ultrasonographic appearance of renal medullary striations and their association with renal disease and renal histopathology in domestic cats	4
Time Attenuation Curves for Equine Intravenous Contrast Enhanced Skull CT Using the Medial Saphenous and Cephalic Veins	4
	4
Lumbosacral transitional vertebrae in small‐breed dogs: Prevalence, classification, and characteristics	4
Comparative analysis of ocular biometry, ocular protrusion, and palpebral fissure dimensions in brachycephalic and nonbrachycephalic dog breeds	4
Cholangiopancreatography in cats: a post‐mortem comparison of MRI with fluoroscopy, corrosion casting and histopathology	4
Resistivity and Pulsatility Indexes Renal Values Do Not Differ When Obtained from Abdominal or Transrectal Approaches in Healthy Horses	4
	4
Ultrasonographic Assessment of the Lungs in Asiatic Elephants ( Elephas maximus )	4
Echocardiographic and radiographic aortic remodeling in cats with confirmed systemic hypertension	4
Development of a Reusable Universal Head Immobilization Method for Radiotherapy in Dogs	4
A “gullwing sign” on magnetic resonance imaging of extradural spinal tumors in dogs and cats allows prioritization of round cell neoplasia	4
Computed tomographic features of double aortic arch in six dogs	4
Students with access to 3D study materials are better able to translate spatial relationships between abdominal organs and correctly interpret abnormal radiographic images	4
Correlation of Positron Emission Tomography and Low‐Field Standing Magnetic Resonance Imaging in Horses With Forelimb Lameness Localized to the Foot	4
Positive and Negative Retrograde Computed Tomographic Vaginography Studies Offer Similar Visibility of the Anatomy of the Lower Urogenital Tract in Female Dogs with Urogenital Signs	4
Performance of a commercially available artificial intelligence software for the detection of confirmed pulmonary nodules and masses in canine thoracic radiography	4
Brain MRI findings and thoracic CT findings in a dog with hemiparesis and acutely diminished Von‐Willebrand factor levels through Angiostrongylus vasorum	4
CT diagnosis of occipital condyle fracture in a dog presented for severe cervical hyperesthesia	4
Anatomical classification of feline congenital extrahepatic portosystemic shunts based on CT angiography: A SVSTS and VIRIES multi‐institutional study in 231 cats	4
Radiographic and Ultrasonographic Findings of a Segmental Mesenteric and Jejunal Torsion in a Guinea Pig	3
Issue Information	3
Visual Assessment of Rib Cartilage Mineralization in Thoracic Radiographs as an Indicator of Age in Juvenile Dogs of Various Breeds	3
AWARDS AND AUTHOR INSTRUCTIONS	3
Thoracic CT incidental pulmonary bullae in dogs: Characterization, interobserver variability, and general anesthesia risks	3
Stifle joint osteoarthritis in small‐breed and medium‐breed dogs is more severe after cranial cruciate ligament injury than medial patellar luxation	3
CT diagnosis of pituitary abscess, suppurative meningitis, and atlanto‐occipital septic arthritis in a pony	3
A New Wave of Ultrasound Phantoms Using Real Fixed Organs: Birth of the Danny Phantom	3
First Case Report of a Dog With Intracranial Granular Cell Tumor Treated With Stereotactic Radiotherapy	3
Focal Dorsal Enhancement of the Tympanic Bulla: An Early Indicator in Feline Otitis Media	3
	3
Computed tomographic and bronchoscopic diagnosis of Oslerus osleri infection in a dog	3
Time‐Resolved Imaging of Contrast Kinetics for Canine Hindlimb Angiography: A Comparison With CT Angiography and Noncontrast Magnetic Resonance Angiography	3
Contouring in the optic plane improves the accuracy of computed tomography‐based segmentation of the optic pathway	3
Doppler ultrasonographic measurements of the lateral digital palmar artery in pregnant mares	3
Computed tomographic findings may be useful for differentiating small intestinal adenocarcinomas, lymphomas, and spindle cell sarcomas in dogs	3
Ultrasonographic, Radiographic, and CT Features of a Segmental Caudal Vena Cava Aplasia in a Cat	3
Incorporating Hypofractionated Radiotherapy Improves Management of Canine Urothelial Carcinoma: A Retrospective Study	3
Positive correlation between echocardiographic tricuspid E peak velocity and central venous pressure in dogs: A preliminary study	3
Accuracy of the modified vertebral heart score and the cardio‐vertebral ratio for radiographic evaluation of cardiomegaly in ferrets	3
AMERICAN COLLEGE OF VETERINARY RADIOLOGY EUROPEAN COLLEGE OF VETERINARY DIAGNOSTIC IMAGING	3
Right cranial lung lobe torsion in a domestic ferret ( Mustela putorius furo )	3
Computed tomographic features of an axillary liposarcoma with hepatic metastasis	3
The “Claw Sign” may aid in axial localization in cases of peripherally located canine glioma on MRI	3
Follow‐up MRI appearance of the surgical site in dogs treated for thoracolumbar intervertebral disc herniation and showing ongoing or recurrent neurological symptoms	3
Definitive Radiotherapy as a Treatment for Presumed Brainstem Meningioma Causing Collet–Sicard Syndrome in Dogs: A Case Series	3
Assessment of Orthopedic Surgical Implants in Dogs Using ¹⁸F‐Sodium Fluoride Positron Emission Tomography and Computed Tomography	3
Thoracic Computed Tomographic Characteristics of Canine Blastomycosis	3
Anatomy of the sternum and humerus in the domestic chicken (Gallus domesticus)	3
Diagnosis of traumatic urethral stricture in a canine patient with contrast‐enhanced voiding urosonography : A case report	3
Clinical Presentation of Frontal Sinus Squamous Cell Carcinoma in the Dog and Response to Treatment With Radiation Therapy in Eight Dogs	3
Computed Tomographic Features of a Histopathologically Confirmed Nasal Dermoid Sinus in a Dog	3
Dimensional and spatial computed tomographic abnormalities of the rectum and prostate are only partly reversible after surgical repair of perineal hernia in dogs	3
Image processing setting adaptions according to image dose and radiologist preference can improve image quality in computed radiography of the equine distal limb: A cadaveric study	3
Intranasal Linguatula serrata (tongue worm) in canids and vulpids can be detected using computed tomography	3
Short/Ultra‐Short TE MRI Sequences Comparable to CT and Superior to Standard MRI Sequences for Canine Skull Imaging	3
Computed Tomographic Findings of Diaphragmatic Well‐differentiated Liposarcoma in a Dog	3
Computed Tomographic and Clinical Findings in Domestic Rabbits (Oryctolagus cuniculus domesticus) with Pulmonary Emphysema	3
Normative Canine Liver Ultrasonography: Papillary Process and Ligamentum Venosum Fissure	3
Ultrasonographic diagnosis of a lymphomatous lymph node presumptively infiltrating the ureter causing hydronephrosis in a 3‐year‐old dog	3
Effect of gadolinium contrast medium administration on susceptibility‐weighted imaging of the canine brain	2
Furosemide Administration Enhances Diagnostic Confidence in the Evaluation of Ureteral Ectopia in Dogs Using Ultrasound	2
Comparison of a new immobilization method using a reusable 3‐point fixation cylinder system and bite‐block type immobilization methods in veterinary radiotherapy	2
Survey on Inter‐ and Intra‐Observer Variations of the Ultrasound Assessment of Dog Pancreases	2
Issue Information	2
Modified B‐QUIET scoring of kidney images acquired by veterinary students in live canines with versus without sequential practice on ultrasound phantoms	2
Increased radiographic opacity in the region of the gallbladder can be identified in dogs with large amounts of gallbladder sediment, sludge balls, and gallbladder mucocele	2
Venous Air Embolism in a Horse After Jugular Venous Catheterization: Echocardiographic Diagnosis	2
Computed tomography of a canine omental torsion secondary to a chronic abdominal gossypiboma and concurrent incidental broad ligament torsion	2
Shape and Variability of the Normal Medial Coronoid Process by Computed Tomography in Young Adult Labrador Retrievers	2
Application of Deep Learning‐Based Reconstruction to Magnetic Resonance Imaging of Canine Stifle Joint in Healthy Beagles: Achieving Enhanced Image Quality With Reduced Slice Thickness	2
Case Report: MRI Diagnosis of Wilson's Disease in a 3‐Year‐Old Dalmatian	2
Malignant melanoma and lymph node metastases appearing as hyperattenuating masses on computed tomography in a dog	2

Ultrasonographic Appearance of Gallbladder Neoplasia in 14 Dogs and 1 Cat	2
Azygos Continuation of the Caudal Vena Cava Complicated by Thrombophlebitis in a Dog	2
Comparison of sedation and general anesthesia protocols for ¹⁸ F‐FDG‐PET/CT studies in dogs and cats: Musculoskeletal uptake and radiation dose to wo	2
Imaging Characteristics of Pylorogastric, Duodenogastric, and True‐Gastrogastric Intussusception in 25 Dogs and One Cat	2
2024 Guidelines for reporting radiation therapy in veterinary medicine	2
Hepatic parenchymal hypoattenuation in dogs with diabetes mellitus on computed tomography consistent with hepatic steatosis	2
Issue Information	2
Rectal volume is correlated with interfractional positional shifts of the prostate gland in dogs receiving radiation therapy	2
Diagnostic Imaging Features of Inflammatory Laryngeal Disease in Cats	2
Initial treatment experience obtained with the real‐time predictive motion tracking radiotherapy platform Synchrony: A pilot study	2
Issue Information	2
Computed Tomographic Findings in Canine Otitis Externa	2
Biliary Peritonitis Secondary to Proximal Duodenal Perforation in a Cat	2
Imaging Diagnosis of Lateral Plantar Digital Vein Thrombosis in a Yearling Thoroughbred	2
Intramural esophageal location of a portosystemic shunt in a dog with two congenital portosystemic shunts on CT angiography	2
The deep radiomic analytics pipeline	2
Imaging diagnosis: Disseminated hemangiosarcoma in a Welsh pony	2
Nontraumatic Pneumorrhachis and Intraforaminal Gas, Presumed Intravascular, Is Occasionally Detected in Dogs Undergoing Computed Tomography Angiography Without Immediate Complications	2
Comparison of two‐dimensional imaging to three‐dimensional modeling of intrahepatic portosystemic shunts using computed tomography angiography	2
Clinical presentation and magnetic resonance imaging findings of a spinal cord ganglioglioma in a 7.5‐year‐old, male, neutered German shepherd dog	2
Imaging Diagnosis: Atypical CT Appearance of a Multilobular Osteochondrosarcoma in a Dog	2
Issue Information	2
Issue Information	2
Variations in the morphology of lagomorph confluence sinuum on contrast enhanced CT	2
Pancreatic adenocarcinoma arising from an ectopic pancreas in a cat	2
Effects of animal position on M‐mode, two‐dimensional, and Doppler echocardiographic measurements in healthy French bulldogs	2
Subdural fluid accumulation with two meningiomas in a cat	2
A repeatable CT protocol for quantifying caudal vena cava growth in medium and large breed dogs	2
Computed Tomographic Findings of Primary Hepatic Extraskeletal Osteosarcoma With Peritoneal Metastasis via Periportal Space in a Dog	2
Confirmed and presumed canine insulinomas and their presumed metastases are most conspicuous in the late arterial phase in a triple arterial phase CT protocol	2
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Contrast administration via ultrasound‐guided injection of the cranial tibial artery results in contrast enhancement of the soft tissues of the metatarsus in horses undergoing CT	2
Dosimetry of Continuous Random Motion in High Dose Rate Strontium‐90 Plesiotherapy	2
Equine intervertebral disc disease with dorsal protrusion and spinal cord compression: A computed tomography, myelography, MRI, and histopathologic case study	2
Computed Tomography Features of Pulmonary Metastatic Nodules Help Narrow the Differential Diagnosis of the Primary Tumor	2
Issue Information	2
Radiographic and ultrasonographic findings of seminal vesiculitis with nonmineral stones in a guinea pig: Case report	2
Computed tomographic diagnosis and clinical outcomes of small intestinal obstruction caused by trichobezoars in client‐owned rabbits	2
Knowledge and practice of radiation safety in Brazilian equine veterinarians are less than optimal: An online survey	2
CT and MRI Features of Aortic Body Paragangliomas in 44 Dogs	2
Spontaneous cecal perforation in a cat diagnosed with ultrasonography	2
Ultrasonographic measurements of the normal adrenal glands in guinea pigs (Cavia Porcellus)	2
Echocardiographic Examination of 16 Eastern Grey Kangaroos (Macropus giganteus) and One Red Kangaroo (Osphranter rufus)	2
Applicability of ARFI elastography in detecting elasticity changes of the equine superficial digital flexor tendon with induced injury	2
Imaging Findings of Congenital Distal Interphalangeal Joint Dysplasia in a 3‐Month‐Old Friesian Foal	2
Concurrent Partial Avulsion of Popliteal and Long Digital Extensor Tendons in a Juvenile Dog	2
Radiographic and CT features of metallosis in a lame dog after total hip replacement: the cloud sign	2
Computed Tomographic Features of Feline Ischiatic Lymph Nodes	2
Computed Tomographic Characteristics Associated With Novel Case of Ossified Pharyngeal Dermoid Cyst in Juvenile Canine	2
Structural MRI Differences in the Thalamus, Caudate Nucleus, and Interthalamic Adhesion in Dogs With Idiopathic Epilepsy	2
Ex vivo evaluation of the soft tissue components of the equine stifle using 3 Tesla magnetic resonance imaging under flexion, extension, and loading	2
Treatment of a nasal angiofibroma in a cat using stereotactic body radiation therapy	2
AWARDS AND AUTHOR INSTRUCTIONS	2
Calendar of Important Dates	2
Assessment of survey radiography as a method of diagnosing bilateral laryngeal paralysis in dogs	2
Intradural‐extramedullary inflammatory pseudotumour of the cervical spinal cord of a dog	2