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VRU 2003 Flashcards

1
Q

What is the most common feature on CT associated with equine caries?

A

Hypoattenuation of the cementum

Destruction of the enamel

Filling of the infundibulum with gas

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2
Q

What are the most important signs for dental decay on CT in the equine patient

A

Gas bubbles in the bulging root area

Fragmentation of the root

Swelling of the sinus lining.

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3
Q

Most common teeth affected in the horse by dental disease?

A

109 and 209

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4
Q

What bone and what part of the bone was nearly always involved when discussing sinusitis from dental disease in a horse on CT?

A

The maxillary bone - facial crest

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5
Q

Are CT images more sensitive when looking at presence of abnormalites in the nasal cavity of cats?

A

No—-but better at saying where it is.

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6
Q

What percentage of nasal sinonasal disease in cats were neoplasia?

A

55% - Lymphoma and Carcinoma (SCC and undifferentiated and adeno) being most common

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7
Q

What percentage of nasal sinonasal disease in cats were inflammatory/infectious?

A

45% - with inflammatory being most prevalent

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8
Q

On average the mean age of neoplasia sinonasal diseases in cats was what compared to rhinitis?

A

Older

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9
Q

Unilateral sinonasal disease is more common in neoplasia or rhinitis in cats on CT?

A

Neoplasia

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10
Q

Cribriform involvement (lysis)was more common in neoplasia or rhinitis in cats on CT?

A

Neoplasia.

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11
Q

Paranasal bone pathology was more common in neoplasia or rhinitis in cats on CT?

A

Neoplasia

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12
Q

Orbit or facial soft tissue extension was more common in neoplasia or rhinitis in cats on CT?

A

Neoplasia

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13
Q

Diaz et al: MRI of normal adrenal glands, what are the two signal intense patterns that were noted in this study?

A
  1. Homogeneously hypointense
  2. Hyperintense center with hypointense rim.
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14
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, what is this mineralization of?

A

Aortic bulb/root

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15
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, what lateral is aortic bulb mineralization more apparent on?

A

Right

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16
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, what radiographic view of the chest was the least helpful?

A

VD, only one dog.

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17
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, what intercostal space was the mineralization commonly located in?

A

4th intercostal space

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18
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, what were the two types of mineralization patterns?

A
  1. Curvillnear single strand
  2. Multiple mineralizations (pictured)
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19
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, what was the clinical importance of this mineralization?

A

None.

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20
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, what structure was specifically mineralized?

A

Aortic annulus

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21
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, what did they compare otoliths to?

A

Chondroids in a horses guttural pouch.

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22
Q

Douglass et al: Radiographic features of aortic bulb mineralization in dogs, otoliths can be a sign of what?

A

Chronic otitis media though may be incidental.

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23
Q

What is the most common reason for portal hypertension?

A

hepatic causes.

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24
Q

Three intrahepatic reasons for portal hypertension?

A

Microvascular dysplasia

Noncirrotic portal hypertension

Portal venous hypoplasia

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25
Q

Vink et al: Upper GI study in amazon parrots, what is the average ventriculus contraction/min?

A

3.7 contractions/min

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26
Q

Vink et al: Upper GI study in amazon parrots, how much barium was given and where?

A

20ml/kg in the crop

Picture is for anatomical understanding

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27
Q

Vink et al: Upper GI study in amazon parrots, when did the contrast (barium) fill the ventriculus, when did it fill the SI and when did it fill the colon?

A

Ventriculus: 30 mins

SI: 60 mins

Colon: 120-300 mins

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28
Q

Vink et al: Upper GI study in amazon parrots, how often were contraction noted in the proventriculus?

A

Rarely

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29
Q

Vink et al: Upper GI study in amazon parrots, what type of contracts were noted in the SI? Colon?

A

SI: Antegrade, retrograde and segmental

Colon: Segmental only.

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30
Q

Zekas et al: Effect of nerve blocks on US of equine palmar metacarpal, when could gas induced by the nerve block interfer with US of structures in the proximal palmar region of the the metacarpus? What structures were affected?

A

1 hr they found some trouble but at 24 hours there was no detectable gas

Structures were the origin of the suspensory and the prox portion of the accessory ligament of the DDF.

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31
Q

Zekas et al: Effect of nerve blocks on US of equine palmar metacarpal, besides gas what subjective effects did nerve blocks (high and low palmar) have on the structures in the metacarpal region?

A

Just minor hypoechoic swelling by the injection site

NO change in cross sectional area or mean pixel value at anytime or level.

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32
Q

Jaeger et al: US and CECT to evaluate acute necrotizing panc in dogs, what was the common finding in the pancreas of the dogs?

A

Hypoechoic enlarged pancreas

Multiple anechoic foci

Lack of doppler flow

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33
Q

Jaeger et al: US and CECT to evaluate acute necrotizing panc in dogs, what is an important comorbidity that you need to look for with dogs and cats with panc?

A

Thrombi – Splenic and portal.

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34
Q

Jaeger et al: US and CECT to evaluate acute necrotizing panc in dogs, what did they do to the stomach to add in the imaging of the pancreas and define its borders on CT?

A

This study added air for negative contrast.. this can be done with esophagus too.

In humans they add barium.

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35
Q

Jaeger et al: US and CECT to evaluate acute necrotizing panc in dogs, HU of necrotic areas of the pancreas were what compared to normal areas?

A

Significantly lower.

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36
Q

Wallack et al: US of SI infarction Cat, what were the clinical signs?

A

Cat not doing well - not eating and vomiting

Then normal bowel to severely thickened bowel with lack of wall layer in 48hr.

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37
Q

Drost et al: Bone sctigraphy for hepatozoon in dogs, what type of radiopharm was used and when was the earliest uptake seen? What type of uptake was it?

A

99mTc - MDP

35 days post infection

High intensity.

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38
Q

Drost et al: Bone sctigraphy for hepatozoon in dogs, the earliest bone lesions occured where?

A

Prox to the carpus/tarsus on the axial skeleton

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39
Q

Drost et al: Bone sctigraphy for hepatozoon in dogs, described the uptake?

A

Diffuse, bilaterally symmetric, homogenous and high intensity.

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40
Q

What are the three distict structures of the middle ear?

A

Hypotympanicum

Mesotympanicum

Epitympanic recess

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41
Q

What region of the middle ear contain the three auditory ossicles?

A

Mesotympanicum

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42
Q

What are the three bones of the ear and the two muscles?

A

Malleus, incus and stapes

Musculus tensor tympani

Musculus staedius.

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43
Q

What is different between a cats middle ear cavity vs dog?

A

Cats is divided into two compartments by a thin bony septum (gives it a double walled appearance)

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44
Q

What is the most common cause for otitis interna?

A

Extension of the neoplastic or infection of the middle ear

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45
Q

What are the “classic” radiographic projections for imaging the ear?

A

Dorsoventral

Lateral

Latero 20º ventral-laterodorsal

Rostro 30º ventral-caudodorsal open mouth (espically in cats to see the bone separating the two compartments)

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46
Q

What is a positive contrast canalography and what is it used?

A

Putting contrast in the ear… to assess the integrity of the tympanic membrane (more accurate than otoscopy)… also used to meausre the diameter of the horizontal eaer canal.

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47
Q

Ear canal neoplasia… 5?

A

Ceruminous gland adneoma/adenocarcinoma

Papillomas

Basalcell carcinomas

SCC

Sebaceous adenocarcinomas

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48
Q

Rozear et al: Ureterovesicular junction CT in healthy dogs, there was a significant relationship between bladder volume and what?

A

Interureterovesicular junction distance - between the two IVJs

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49
Q

Rozear et al: Ureterovesicular junction CT in healthy dogs, what bony structure was used to identify the internal urethral orifice?

A

None could be found.

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50
Q

Rozear et al: Ureterovesicular junction CT in healthy dogs, the entrance of the ureter into the bladder was characterized by a what?

A

The apex of the hook made by the ureter as it turned dorsomedially… seen on all ureters.

It turns from a ventrolateral to dorsomedial.

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51
Q

Rozear et al: Ureterovesicular junction CT in healthy dogs, why was the ureteral diameter larger post contrast?

A

Osmotic diuresis from ionic pull

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52
Q

Rozear et al: Ureterovesicular junction CT in healthy dogs, all ureterovesicular junctions were cranial to what?

A

Urethral orifice. This was not influenced by bladder distention.

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53
Q

Schwarz et al: Normal upper GI exam in Ferret, what is the normal dosage of 30% liquid barium?

A

8-13mL/kg

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54
Q

Schwarz et al: Normal upper GI exam in Ferret, does sedation with ketamine and diazepam cause significant effects on an upper GI series in Ferrets?

A

No.. not significantly

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55
Q

Schwarz et al: Normal upper GI exam in Ferret, what is the SI transit time for ferrets? and what is the best time to visualize the SI in ferrets?

A

Transit time is 2 hours

Best time to see SI is 20-40 min

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56
Q

Schwarz et al: Normal upper GI exam in Ferret, normal width of the SI?

A

5-7mm

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57
Q

Schwarz et al: Normal upper GI exam in Ferret, what aided in the distinction between the SI and colon in this study?

A

Longitudinal colonic mucosal folds. (white arrow)

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58
Q

Schwarz et al: Normal upper GI exam in Ferret, what was this finding and was it normal?

A

Flocculation (clumping) and adherence of barium to stomach mucosa… normal!

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59
Q

Seiler et al: Staging of lumbar IVDD using MRI, what were the most common signs of disc degeneration in MRI?

A

Nuclear clefts

Decreased signal intensity of the nucleus puposis

Tears of the annulu fibrosis (pictured)

Disc herniations.

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60
Q

Seiler et al: Staging of lumbar IVDD using MRI, what was the sensitivity and specificity for finding IVDD in this study?

A

Sensitivity = 100%

Specificity = 79%

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61
Q

What is the most commonly reported location for a canine solitary bone cyst?

A

Distal radius

62
Q

Schoenborn et al: CT feline sinonasal disease, what characteristics are more concerning for neoplasia vs rhinitis (5) but are not pathognomonic?

A

Lysis of the paranasal bones

Severe turbinate destruction

Lysis of nasal septum

Homogenous mass

Extension of disease into orbit or facial soft tissues.

63
Q

Moon et al: US appearance/etiology of corrugated SI, what was the most common cause of corrugated SI?

A

Pancreatitis (50%)

64
Q

Waller et al: Effects of body wall on US, what artifact causes attenuation of the beam in the body wall?

A

Reverberation.

65
Q

Spattinni et al: Diaphragm rupture US, what were the most common findings on US for DH?

A

Irregular diaphragm

Abdomial organs in the thorax.

66
Q

Spattinni et al: Diaphragm rupture US, what is the percentage of accuracy of US for diaphragm herination?

A

93%

67
Q

Henninger et al: CT of alveolitis and sinusitis of a horse, what is the most affect tooth?

A

1st maxillary molars - 109, 209

68
Q

Henninger et al: CT of alveolitis and sinusitis of a horse, what were the most frequently found CT findings associated with caries?

A

Hypoattenuation of the cementum

Destruction of the enamel

Gas in the infundibular cavity

69
Q

Henninger et al: CT of alveolitis and sinusitis of a horse, what were signs of dnetal decay?

A

Gas bubbles in a bulding root area

Fragmentation of the root with swelling of the adjacent sinus lining.

70
Q

Henninger et al: CT of alveolitis and sinusitis of a horse, what was the most common involved sinus?

A

rostral maxillary sinus

71
Q

Henninger et al: CT of alveolitis and sinusitis of a horse, what bone was involved in every horse?

A

Maxillary bone (facial crest)

  • Sclerosis, thickening, periosteal reaction and deformation
72
Q

Wallack et al: Pituitary gland MRI cats, what is the mean height, width and length of the feline pituitary gland?

A

Height - 0.34cm (sagital image)

Length - 0.54cm (transverse)

Width - 0.5cm (transverse)

73
Q

Wallack et al: Pituitary gland MRI cats, mean volume of the pituitary gland in cats?

A

0.05cm3

74
Q

Wallack et al: Pituitary gland MRI cats, was there correlation between cat weight and pituitary volume? Cat age?

A

None for both.

75
Q

Wallack et al: Pituitary gland MRI cats, what was the precontrast images look like? Postcontrast?

A

Precontrast - mixed intense

Post - Homogeneous contrast enhancement.

76
Q

Wallack et al: Pituitary gland MRI cats, 90% of acromegalic cats have what?

A

Macroadenoma

77
Q

Wallack et al: Pituitary gland MRI cats, what lobe of the pituitary gland is likely hyperintense on pre-contrast T1 images?

A

Posterior or caudal (vasopressin-neurosecretory granules)

78
Q

FIfe et al: CT carotid body tumor, Carotid body tumors are usually what echogenicity?

A

Hypoechoic and homogeneous.

79
Q

FIfe et al: CT carotid body tumor, what a the differentials for a carotid body tumor?

A

Thyroid

Ectopic thyroid or parathyroid

80
Q

FIfe et al: CT carotid body tumor, are highly vascular. T/F?

A

True

81
Q

FIfe et al: CT carotid body tumor, are seen more frequently in what type of dogs?

A

Brachycephalic… suspect chronic hypoxia causing hyperplasia

82
Q

FIfe et al: CT carotid body tumor, other words for carotid body tumor?

A

Chemodectoma

Paraganglioma

83
Q

Fife et al: CT carotid body tumor, Where is a more common place for a chemodectoma rather than the carotid body?

A

Aortic root.

84
Q

Erichsen et al: Scintigraphy of the spine of asymptomatic horse, what spinous processes can have normal uptake and be asymmtomatic?

A

T13-T18

85
Q

Armburst et al: Gastric emptying cats using different fiber and kibble shapes, what radiopharm was used?

A

99mTc -mebrofenin

86
Q

Armburst et al: Gastric emptying cats using different fiber and kibble shapes, what factors of the food did not have any effect on gastric empyting?

A

Water intake

Diet fiber

87
Q

Armburst et al: Gastric emptying cats using different fiber and kibble shapes, what factors of the food did have any effect on gastric empyting?

A

Higher caloric intake had longer gastric emptying.

Triangular shaped had longer gastric emptying vs circular

88
Q

Gnirs et al: Spinal subarachnoid cysts, what dogs were over represented?

A

Rotties, ridgebacks, weimies, pug dogs.

89
Q

Gnirs et al: Spinal subarachnoid cysts, subarachnoid cysts are commonly located in what region of the spine and where in the spinal canal?

A

Cranial cervical region

Dorsally to the spinal cord.

90
Q

Gnirs et al: Spinal subarachnoid cysts, what is the common shape of subarachnoid diverticulum on myelography?

A

Tear-drop shape.

91
Q

Sauders et al: CT in dogs with chronic nasal disease, what disease processes were unable to tell apart?

A

Aspergillous and FB

92
Q

Sauders et al: radiography vs CT nasal aspergillous, what two disease processes are hard to distinguish in nasal disease?

A

Nasal aspergillus and FB

93
Q

Sauders et al: radiography vs CT nasal aspergillous, what disease process must you think of with nasal foreign bodies?

A

Aspergillous.. seen in higher incident with FB

94
Q

Head et al: Imaging the cat pancreas with CT and scintigraphy, what were the granulocytes attached to?

A

99mTc-hexamethylpropyleneamine oxime (HMPAO)

95
Q

Head et al: Imaging the cat pancreas with CT and scintigraphy, where did the granulocytes end up?

A

Liver, spleen and lung

96
Q

Head et al: Imaging the cat pancreas with CT and scintigraphy, what is the attenuation the pancreas when comparing to spleen and liver on CT?

A

Hypoattenuating

97
Q

Head et al: Imaging the cat normal pancreas with CT and scintigraphy, what was the problem with the scintigraphy portion of this study?

A

Labeling… only 15-47% labeling efficency.

98
Q

Reichele et al: ureteral fibroepithelial polyp dogs, what sex prediclect was there?

A

Male intact

99
Q

Reichele et al: ureteral fibroepithelial polyp dogs, where in the ureter do you normal see this?

A

Proximal 3rd

100
Q

Tapperest et al: stress fractures in the horse MRI, Sclerosis of the bone produces what intensity on what signals?

A

Hypointense on all signals.

101
Q

Tapperest et al: stress fractures in the horse MRI, what is the big down side of using MRI for diagnosis of a stress fracture?

A

Anesthesia is needed and they can snap the leg on recovery.

102
Q

Tapperest et al: stress fractures in the horse MRI, bone edema usually causes what signal on a T1W image and on a T2W image?

A

T1 = Hypointense

T2 = Hyperintense

Think that the bone is full with fat and the edema will reduce the fat content.

103
Q

Hoffaman et al: GI linear FB in dogs, terminology used to describe quick turns (not plication)?

A

hair pin turns.

104
Q

What are the US characteristics of peripherial nerves? How do you distinguish them from vessels?

A

Two parallel hyperechoic lines with a hypoechoic center

Doppler and the margins of vessels usually divert and branch.

105
Q

Alexander et al: Horse nerves US normal, what was the overall success rate for identifying nerves on live horses?

A

70%

106
Q

Alexander et al: Horse nerves US normal, did measurements of nerves align with anatomical measurements?

A

Yes… significantly.

107
Q

Anastasiou et al; Equine carpal bone MRI, does MRI signal intensity align with bone sclerosis?

A

Yes, hypointense… commonly at the radial facet of C3 (see pic)

108
Q

Anastasiou et al; Equine carpal bone MRI, what facet of the 3rd carpal bone was most affected by DJD/sclerotic changes?

A

Radial facet because it takes most of the weight

109
Q

Describe this lesion.

A

Thinning of the cartilage along the dorsal aspect of the 3rd carpal bone at the level of the radial facet.

110
Q

Diagnosis?

A

Multiple bone cysts of C2.

C2 and the intermediate facet of C3 are sclerotic

Suspect microfracture of C3

111
Q

Anastasiou et al; Equine carpal bone MRI, Cartilage is best seen on what images?

A

Fat Sat. they appear hyperintense on both T1 and Fat Sat (example)

112
Q

How do you perform a dorsal acetabular rim shot?

A

Sternal recumbency

Flexed hind legs and held close to the body

Craniocaudal shot of the pelvis.

113
Q

Diagnosis in a cria that is in repiratory distress?

A

Choanal atresia - 10% of cria

Can be unilateral or bilateral

114
Q

Nephroblastomas are located where?

A

T10-L2

INTRADURAL EXTRAMEDULLARY

115
Q

Can nephroblastomas contain cysts or hemorrhage?

A

Yes

116
Q

What is the difference between the way CSF leaves the brain in mammals between birds?

A

Mammals have lateral appatures of the fourth ventricle and that is where the CSF leaves.

Birds do not have lateral appatures and it is thought micropores allow CSF to leave

117
Q

What is an “abdominal air vasculogram” and what does it mean?

A

Air within the portomesentric vasculature.

Ddx: splenic torsion, clostridium infection

118
Q

Diana et al; US smooth muscle hypertrophy in cats, what was the US appearance of the smooth muscle hypertrophy and what were the etiologies it was associated with?

A

Chronic stenosis due to FB or lymphoma

Chronic enteritis

Moderate thickening 7-8mm

Perserved wall layering

Muscularis layer is the only one thickened

Oral to the stenosis.

119
Q

Penninck et al: US differentiating enteritis from intestinal neoplasia dogs, what percentage of dogs with neoplasia had loss of wall layering?

A

99%

120
Q

Penninck et al: US differentiating enteritis from intestinal neoplasia dogs, what was the average thickness of intestinal tumor vs enteritis?

A

Neoplasia = 1.5cm

Enteritis = 0.6cm

121
Q

Penninck et al: US differentiating enteritis from intestinal neoplasia dogs, which was more likely to have diffuse disease; enteritis or neoplasia?

A

Enteritis

122
Q

Penninck et al: US differentiating enteritis from intestinal neoplasia dogs, how many times more was a dog with loss of layering going to have a tumor vs enteritis?

A

51x more likely to have a tumor with loss of wall layering.

123
Q

Penninck et al: US differentiating enteritis from intestinal neoplasia dogs, what are the US signs for intestinal neoplasia?

A

Loss of wall layering (excellent PPV)*** best

Focal disease

Wall thickeness around 1.5cm

Lymph node enlargement

124
Q

Delaney et al; US small bowel thickness compared to weight in dogs, what small intestinal segments were statisically related to body size?

A

Duodenum and jejunum.

125
Q

Delaney et al; US small bowel thickness compared to weight in dogs, what is the normal range of the thickness of the jejunum and duodenum in dogs?

A

4-5mm jejunum

5-6mm duodenum

126
Q

Jung et al: Methylcellulose on upper GI study dogs, what was the amount of methylcellulose given to the dogs?

A

15ml/kg

Difference groups included low, moderate and high viscosity

127
Q

Jung et al: Methylcellulose on upper GI study dogs, what vicosity group of methylcellulose was superior?

A

Moderate viscosity

128
Q

Jung et al: Methylcellulose on upper GI study dogs, what was the amount of 40% barium (ml/kg) given to the control dogs vs the methylcellulose?

A

10ml/kg in control

4ml/kg in methylcellulose dogs

129
Q

Jung et al: Methylcellulose on upper GI study dogs, what did the use of methylcellulose improve?

A

Improved visualization of the bowel loops

Better coating and uniform thin homogenous opacification of the mucosa

Improved small bowel distension

Transradiancy (opical density) - reduced with methylcellulose which is better

Rapid transit time

130
Q

What position can be used in radiology to get a good picture of the sacroiliac joint?

A

Flexed VD.

131
Q

Schramme et al: MRI laminitis, what features of laminitis where noted on MR and not on radiographs (4 features)?

A

Laminar disruption

Circumscribed areas of laminar gas

Laminar fluid

Bone medullary fluid

132
Q

Crawford et al: CT vs rads Pelvic trauma; What statistical difference is between conventional views vs tangential view of the pelvis with pelvic trauma?

A

NOTHING

Ventral 20º cranial-dorsalcaudal and Ventral 20º caudal-dorsocranial were used.

133
Q

Crawford et al: CT vs rads Pelvic trauma; what is the conclusion of this paper?

A

Routine CT examination of dogs with pelvic trauma may not be justifiable for diagnosis but may help with surgical planning espically with suspect acetabular fractures.

134
Q

Axlund et al: CT of normal lumbosacral intervetebral disc dogs, What is the average percentage and range that the disc at L7-S1 can occupy the vertebral canal?

A

21-43%

27% average

135
Q

What are the 4 types of hiatal hernias?

A

Type 1 (sliding) : Gastroesophageal junction - Most common

Type2: Paraesophageal, gastric fundus

Type 3: Mixed (1 and 2)

Type 4: A type 3 with more shit

136
Q

Levitin et al: Linear osteochondromatosis in cat, osteochondromatosis in cats is commonly associated with what?

A

FeLV similar to osteosclerosis

137
Q

Levitin et al: Linear osteochondromatosis in cat, can osteochondromatosis maliginantly convert?

A

Yes to a sarcoma (chondrosarcoma/osteosarc)… life expectance from time of oset off osteochondromatosis is around 1 year

138
Q

Levitin et al: Linear osteochondromatosis in cat, what is the problem with surgerically removing chondromatosis/chhondromas in cats?

A

The cartilageous caps commonly blend in with surrounding tissue and therefore recurrence or emergence of new lesions is common

139
Q

Mantis et al: Effect of trilostane on adrenals US dogs, what happened to the adrenal glands after 6 months of trilostane therapy?

A

Both got bigger

Right - length and width increased

Left - only width

140
Q

Abbott et al: Peak aortic velocities at subcostal vs apical transducer sites, What was the difference between these views?

A

Subcostal velocities were significantly higher but only by a marginal degree in both pulse-wave and continuous wave doppler

141
Q

Erichsen et al: Scintigraphy of the SI jt in normal horses, What is uptake in the SI joint strongly influenced by?

A

Urine in the urinary bladder

Thickness of muscle over the SI jt

142
Q

Mantis et al: Adrenal gland changes with dogs on Trilostane, What was the significant change in measurements with dogs on Trilostane?

A

Caudal pole thickness increased - both left and right

Length increased - right

143
Q

Mantis et al: Adrenal gland changes with dogs on Trilostane, What type of drug is trilostane?

A

3B - hydroxysteroid dehydrogensase inhibitor.

144
Q

Mantis et al: Adrenal gland changes with dogs on Trilostane, What does it do?

A

Block the production of a number of adrenal steroids including cortisol and aldosterone

145
Q

Mantis et al: Adrenal gland changes with dogs on Trilostane, what does mitotane do?

A

Cuases selective necrosis of the adrenal cortex.

146
Q

Mantis et al: Adrenal gland changes with dogs on Trilostane, how long did they wait til they remeasured the adrenal glands?

A

6 months.

147
Q

Mantis et al: Adrenal gland changes with dogs on Trilostane, what is another ultrasonographic change seen in dogs treated with trilostane?

A

More distinction between the hyperechoic inner zone and the hypoechoic peripheral zone.

148
Q

Spatttini et al: US diagnose DH, What are the two consistent findings when lookinig at DH with US?

A

Irregular/asymmetric cranial liver margin

Viscera in the thorax

149
Q

Spatttini et al: US diagnose DH, What is the accuracy of US in diagnosing DH?

A

93%

150
Q

Murray et al: MRI and laminitis, What were the consistent MRI findings of laminitis?

A

Laminar disruption (See picture)

Areas of laminar gas

Laminar fluid

Bone medullary fluid

Other signs were increased size and number of vacular channels, alteration in the corium coronae, distal interphalangeal joint distension

151
Q

Typamic bullaes can do what after ventral bulla osteotomy

A

In 5-6 years the bulla can partially or completely reformed with no increase in lumen opacity.

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