VRU 2016 Flashcards
Secrest et al: Dog Flu radiographs, What was the common distribution?
cranioventral
Secrest et al: Dog Flu radiographs, Common radiographic pattern?
Unstructured to alveolar pattern
Secrest et al: Dog Flu radiographs, was there lymphadenopathy present?
no
O. Osleri is commonly seen in what age of dog?
2 years of age.
Gendler et al: Arthrography CT of the canine elbow: Does Arthrography over or under estimate cartilage thickness?
Over estimates
Oliveira et al: CT respiratory induced motion: What recumbency reduced the most motion artifacts in the abdomen?
Trick question:
Dorsal for most of the abdominal contents
Ventral for the Liver and Urinary bladder
What are the best projections for imaging a white rhino?
60 dorsoproximal palmarodistal projection (digit III)
Dorsal 45 proximal 45 medial (digit II)
Dorso40 Proximal 35 lateral (digit IV)
All about 5-7cm away from the cuticle
Beccati et al: US findings in horses with septic arthritis: The US findings in septic horses may vary based on what?
Time between admission and beginning of clinical signs…. more US signs the more time was taken to get the fucker in.
Beccati et al: US findings in horses with septic arthritis: What are some of the US signs?
- Effusion (marked to NONE)
- Synovial thickening
- Anechoic or echogenic effusion
- Hyperechoic spots on structure and fibrin.
Proks et al: Spinal malformation in ferrets: What is the most common vertebral formula?
C7 - T14 -L6 - S3
Proks et al: Spinal malformation in ferrets: What sex was the C7 T14 L6 S4 most common in?
MALEs
Proks et al: Spinal malformation in ferrets: What was the most common vertebral abnormalities in ferrets?
Transitional vertebrae
Most commonly seen in the thoracolumbar or lumbosacral regions.
Graham et al: Diagnostic sensitivity of bone scintigraphy in equine stifle: What was the sensitivity and specificity of scintigraphy of the equine stilf?
Sensitivity was bad at ~25%
Specificity was good ~85%
Cauadal image did NOT improve sensitivity.
Bones appear wider on what CT window and why?
Wider on a narrow window due to a spread edge function.
Oliphant et al: Mid-brain shift and effect on survival in dogs with MUO: What was the association between a mid-line shift and survival in this cohert of dogs?
No associatation. Though the median survival time was much less
Though age at onset (older) and TNCC CSF count were associated with lower survival.
Wang et a: Effects of dexmed on rads and echo of the heart: What was seen on rads?
VHS and Cardiac size to thorax ratio on VD increased.
Wang et a: Effects of dexmed on rads and echo of the heart: What was seen on echo?
- E-point to septal separation - increased
- Left ventricle internal diameter in diastole and systole - increased
- Fractional shortening - decreased
- Moderate to severe mitral regurgitation was noted
- Miuld pulmonic regurgitation occured
Johnson et al: MRI and clinical features of medial retropharyngeal LN mass in dogs and cats: What was commonly seen in inflammatory disease?
- Younger
- Lethargy
- Pyrexia
- Neck pain
- Leukocystosis
- Marked perinodal CE
- Local muscle CE
Johnson et al: MRI and clinical features of medial retropharyngeal LN mass in dogs and cats: What was commonly seen in neoplastic disease?
- Greater in width and height (size)
Fenn et al: Agreement of diagnosing FCE and ANNPE in dogs using MRI: What are the MRI based findings consistent with ANNPE?
- Focal area of intramedullary T2 hyperintensity overlying a disc space
- Reduction in volume of the T2W NP signal
- Narrowing of the associated disc space
- Extradural materail or signal intesity change with minimal or no spinal cord compression.
Fenn et al: Agreement of diagnosing FCE and ANNPE in dogs using MRI: What are the MRI imaging criteria of an FCE?
- Well demarcated intrameduallary T2W hyperintensity
- Mainly Grey matter is affected
- Absence of ANNPE criteria.
4.
Beckman et al: 3T findings in dogs with central european tick-borne meningoencephalomyelitis: What were the MRI findings and what were the histo findings of this disease? Why is it important to know these findings and differential?
- Bilateral and symmetrical gray matter distributed lesions
- Thalamus, hippocampus, brainstem, basal nuclei, ventral horn on the spinal cord
Neuronophagia and gliosis of the gray matter of the affected regions seen in 3T MRI.
This is important because this disease is hard to diagnose after first viremic stage.
Cooley et al: Optic n US measurements in horses: What is the average size for the optic nerve sheath diameter?
2.6mm - 6.5mm
Rademacher et al: Contrast enhanced US pancreatitis in dogs: Dogs with pancreatitis had what differences compared to normal dogs on CEUS?
- Peak and mean intensity was higher (311%)
- Wash in rates were higher with a consistently steeper slope to peak
Janvier et al: US of horses with lymphoma: What were the lesions in horse?
Similar to cats and dogs
Lymphadenopathy (most common in the abdomen)
Peritoneal effusion
Splenic and hepatic lesions (hypoechoic nodules, enlarged)
Pleural effusion (top thoracic lesion with lymphadenopathy)
What were most clinicians disappointed in with radiographic reports?
Not completed in a timely manner
No give a prioritized differential list.
Lamb et al: Pathologic basis of rim enhancement of CT feline nasopharyngeal polyps: What was the magnitude and extent of the rim enhancement on CT positively correltated with? Negatively correlated with?
Positively correlated with: Inflammation in the superficail stroma
Negatively correlated with: Grade of edema in the superficial stroma.
NEED TO KNOW PAPER
Lamb et al: Pathologic basis of rim enhancement of CT feline nasopharyngeal polyps: Where was inflammation and hemorrhage more marked? Where was edema more marked?
Inflammation: Superficial stroma
Edema: Core stroma
Salguero et al: CT comparison of middle ear in nonbrachycephalic and brachycephalic dogs with obstructive ariway syndrome: What was the big difference between brachycepahlic dogs and normal dogs when looking at the bullae?
Brachycephalic dogs have thicker bulla walls and smaller luminal volume
Salguero et al: CT comparison of middle ear in nonbrachycephalic and brachycephalic dogs with obstructive ariway syndrome: What was significantly related to amount of material in the middle ear?
Mean thickness of the soft palate
Jones et al: Association between dual-phase CT and hepatic/splenic masses: Reguardless of the diagnosis (benign or malignant) hepatic masses showed what kind of enhancement?
Marked, generalized enhancement in early and delayed phases
Jones et al: Association between dual-phase CT and hepatic/splenic masses: What was the difference in enhancement pattern between HSA and nodular hyperplasia in the spleen vs a hematoma?
HSA and NH - Marked and generalized enhancement
Hematomas - slight enhancement.
Though all hematomas and 77% of HSA had contrast accumulation compatible with active hemorrhage.
CT is not specific for differentiating mass in the spleen or liver.
Allett et al: MRI of spine lymphoma in dogs: What are the common MRI findings?
- Multifocal disease
- Vertebral involvement
- Cord compression
- Involvement of more than one spinal compartment (medullary cavity, vertebral canal, paraspinal soft tissue)
- CEing and T2W hyperintensity
STIR and T1W post contrast were the best sequences
Bettencourt et al: Thyroid background ratios vs other measurments and T4 in hyperthyroid cats: What is the best predictor for T4 values?
Percent dose uptake (best)
and
Thyroid to salivary ratios
These out performed any thyroid to background ratios
Bettencourt et al: Thyroid background ratios vs other measurments and T4 in hyperthyroid cats: What ratio correlated well with plasma pertechnetate activity?
Heart ROI
Bettencourt et al: Thyroid background ratios vs other measurments and T4 in hyperthyroid cats: Percentage dose uptake was most correlated with what?
- Serum T4 was first
- Thyroid to salivary raito second
- thyroid to background using heary ROI
Rossi et al: Effects of sedation on CEUS of the spleen: Which sedative of butorphanol vs dexmedetomidine was supported for use in CEUS?
Butorphanol because it did not change perfusion
Rossi et al: Effects of sedation on CEUS of the spleen: What perfusion parameters were changed when using dexmed in this study?
- Overall enhancement was reduced
- Arrival time - increased
- Time to peak - increased
- Peak intensity - decreased