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RUSVM Pathology II > Pathology II Lab Final > Flashcards

Pathology II Lab Final Flashcards

1
Q

Tissue from a cat.

Abnormal/Normal?

MDx?

A

Abnormal/Normal?

Abnormal

MDx?

Pyometra

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2
Q

Horse.

Mdx?

A

Mdx?
Hemangiosarcoma

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3
Q

Bovine

Mdx

A

Palatoschisis

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4
Q

Tissue from a male dog.

MDx?

A

MDx?
Sertoli Cell Tumor

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5
Q

Tissue from a dog.

Normal/abnormal?

MDx?

A

Normal/abnormal?

Abnormal

MDx?

Cystic endometrial hyperplasia

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6
Q

MDx

A

Thyroid atrophy

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7
Q

Edx

Condition Name

A

Edx - renal osteodystrophy

Common name - rubber jaw

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8
Q

Canine

MDx

Etiology

A

MDx - intestinal catarhhal enteritis

Etiology - Dipylidium caninum

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9
Q

Dog, MDx

A

Top - acute splenic infarct (red)
Bottom - chronic splenic infarct (white)

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10
Q

Describe what you see.

What is this likely?

A

Nodularity of capsular surface.

Pale, no demarcation between cortex and medulla.

Chronic case of interstitial nephritis.

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11
Q

Tissue from a horse.

MDx?
Pathogenesis?

A

MDx?

Subacute focal suppurative pneumonia

​Pathogenesis?

In horses whose heads were held high by halter during shipping preventing “snorting” to expel dust and mucus which then drains down trachea.

*Unilateral - only on right side.

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12
Q

Cat. MDx

A

Diffuse, granulomatous lymphadenitis

Cyptococcosis

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13
Q

Tissue from a cow.

Normal/abnormal?

Mdx?

A

Normal/abnormal?

Abnormal, lesion

Mdx?

Granulosa cell tumor

(cystic nature with hemorrhage)

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14
Q

MDx?
Pathogenesis?

A

MDx?

Mummified fetus

Pathogenesis?

No bacterial infiltration, uterus was closed off, fetus underwent dehydration

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15
Q

Cow.

MDx?
Etiology?

A

Serous atrophy of fat.

Starvation, emaciation

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16
Q

Tissue from a cow.

MDx?

A

MDx?

Amorphos globosus

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17
Q

Tissues from a young horse.

MDx?

Etiology?

EDx?

A

MDx?

Multifocal to coalescing pyogranulomatous pneumonia

Etiology?
Rhodococcus equi

EDx?

Rhodococcal pneumonia

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18
Q

Canine popliteal LN aspirate. Name the disease.

A

Leishmaniasis

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19
Q

Goat.

MDx?

A

Lymphosarcoma

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20
Q

Normal/abnormal?

Tissue from a ?

Name of structure?

A

Normal/abnormal?

Normal!

Tissue from a ?

Horse

Name of structure?

Endometrial Cups

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21
Q

Dog.

Cause and associated lesion.

A

Canine parvovirus type 2

Lymphoid depletion (bone marrow depletion) - immunodeficiency

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22
Q

Tissue from a ram.

MDx?

A

MDx?
Epididymitis

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23
Q

Dog

Differentials

A

Melanoma

Squamous Cell Carcinoma

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24
Q

Edx

A

Uremic pneumonitis/pneumonopathy

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25
Q

Dog

Mdx

A

Mdx - subtle coronary atherosclerosis

Hypothyroid

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26
Q

Dog.

Name of syndrome and cause.

A

Brown Dog Gut.

Intestinal lipofuscinosis. Discolouration due to ceroid deposition.

Vitamine E deficiency or PUFA can be causes

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27
Q

Tissue from a neonatal puppy.

Normal/abnormal?

MDx?
Etiology?

A

Normal/abnormal?

Abnormal

MDx?

multifocal lesions on kidney

​Etiology?

Canine herpesvirus

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28
Q

Pig.

Name of disease?

MDx?

Etiology?

A

Name of disease?

Atrophic rhinitis

MDx?

Atrophic rhinitis

Etiology?

Combo of Bordetella bronchiseptica and Pasteurella multocida types A and D

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29
Q

Dog

MDx?

A

lymphadenitis

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30
Q

MDx

A

Fibrous osteodystrophy

Sinuses disappearing

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31
Q

Tissue from male dog.

Normal/abnormal?
MDx?

A

Normal/abnormal?

Abnormal

MDx?

Interstitial cells of Leydig tumor

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32
Q

Dog

Edx

Pathogenesis

A

Edx - uremic gastritis

Pathogenesis - chronic renal failure –> uremia –> Gastric mineralization

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33
Q

Canine

MDx

A

Inguinal hernia

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34
Q

Dog.

MDx?
Radiographic lesions?

A

Multiple Myeloma

Punched out lesions on radiograph

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35
Q

Tissue from a mare.

Etiology?

Disease name?

A

Etiology?
Taylorella equigenitalis

Disease name?
Cantagious Equine Metritis

-test stallions, reportable, causes infertility

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36
Q

Adrenal glands from a horse.

Pathological process?
Types possible?

A

Neoplasia

Adrenocortical adenoma

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37
Q

Tissue from an ovine fetus. Liver.

Normal/abnormal?
Etiology?

A

Normal/abnormal?

Abnormal - donut like lesions

Etiology?

Campylobacter

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38
Q

Cat

MDx

Etiology

A

MDx - granulomatous peritonitis

Etiology - Feline infectious peritonitis virus (feline coronavirus)

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39
Q

Cat.

Etiology?

MDx?

A

Platynosomum fastosum

Mdx?
Chronic proliferative and eosinophilic cholangitis/cholangiohepatitis

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40
Q

Ox.

MDx?
Name of Disease?

A

MDx: Granulomatous lymphadenitis

Name of disease: Mycobacterium bovis

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41
Q

Adrenal glands.

MDx?

Underlying cause?

Clinical diagnosis (disease name)?

A

MDx?

Adrenal cortical hyperplasia

Underlying cause?

Hyperadrenocorticism - too much ACTH from pituitary adenoma

Clinical diagnosis (disease name)?

Secondary hyperadrenocorticism

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42
Q

Tissue from male dog.

MDx?

A

Seminoma.

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43
Q

Equine

Mdx

A

Intestinal stenosis/stricture

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44
Q

Describe the pathogenesis of a patient with kidney disease being anemic? (eg pale mucous membranes)

A

Kidneys produce erythropoietin - fail to do so when in kidney failure – lack of RBCs

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45
Q

Tissue from a cow.

Normal/abnormal?

Mdx?

A

Normal/abnormal?

Abnormal, lesion

Mdx?

Follicular cyst

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46
Q

Dog. MDx

A

Dental calculus

Gingival hyperplasia

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47
Q

Tissue from a cow.

Normal/abnormal?

Mdx?

A

Normal/abnormal?

NORMAL

Mdx?

N/A

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48
Q

Tissue from a pig.

MDx?

Pathogenesis?

A

MDx?

Vulvar hyperplasia

Pathogenesis?
Hyperestrogenism - eating moldy corn

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49
Q

Ox. MDx

A

Peyer’s Patch necrosis

diffuse, severe, acute ileitis

BVDV

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50
Q

Tissue from a horse.

MDx?

A

MDx?

Laryngeal hemiplegia

Unilateral atrophy of the dorsal and lateral cricoarytenoid muscles

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51
Q

Cow.

Normal/abnormal?

MDx?

A

Normal/abnormal?

Normal is right after parturition, abnormal if a few days later

MDx?

Retained placenta

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52
Q

Horse.

MDx?
Name of disease?

Etiology?

A

MDx?

Acute suppurative lymphadenitis
Name of disease?

Strangles

Etiology?

Streptococcus equi subsp. equi

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53
Q

Tissue from a ram.

MDx?

Main causes?

A

MDx?

Scrotal Dermatitis

Causes?

any infection of skin, -think Brucellosis (outward inf. of skin)

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54
Q

Bovine

A

Trichobezoars if hair

Phytobezoars if plant material

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55
Q

Liver from a cow.

MDx?

Cause?

A

Mdx?
Chronic Passive Hepatic congestion (NUTMEG LIVER)

Cause?
R-sided congestive heart failure

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56
Q

Species?

A

Llama

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57
Q

Dog
2 MDx

A

1) Siderotic plaques
2) Nodular hyperplasia

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58
Q

Calf.

MDx?

A

Mdx?

Normal. Hemopoietically active bone marrow in young animal.

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59
Q

Tissue from a cat.

MDx?

A

MDx?

Fibroadenomatous hyperplasia

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60
Q

Dog.

Etiology?

A

Liver Fractures

From Trauma

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61
Q

Dog

Mdx?

A

MDx?

Metastatic melanoma.

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62
Q

Tissue from a bull.

MDx?

Etiology?

A

MDx?
Balanitis

Etiology?

Bovine herpesvirus 1

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63
Q

Tissues from a male dog.

MDx?

A

Hypospadia

(incomplete fusion of urethral folds)

64
Q

Tissue from a ?

Normal/Abnormal?

Name?

A

Tissue from a ?

Cow

Normal/Abnormal?

Normal

Name?

Normal caruncle on placenta

65
Q

Tissue from a cow.

Normal/Abnormal?

MDx?

A

Normal/Abnormal?

Abnormal

MDx?

Piece of retained placenta

66
Q

Lung tissue. Describe.

A

Mineralization of alveolar septae.

67
Q

Canine

Mdx

A

Acquired Megaesophagus

(congenital would be associated with defect PRAA)

68
Q

Bovine (6mo)

MDx

DDx

A

MDx - ulcerative stomatitis

DDx - BVD, Malignant Catarrhal Fever

69
Q

Pig

Mdx?

Etiology?

A

Mdx - jowl abscess

Etiology - streptococcus porcinus

70
Q

Cat

MDx

Etiology

Common name

A

MDx

Multifocal, intercostal, subpleural mineralization

Etiology

Chronic renal failure, uremia

Common name

Pleural Frosting

71
Q

Tissue from a pig.

MDx?

Etiology?

Disease name?

A

MDx?

Massive (Panlobular) hepatic necrosis

Etiology?

Vitamin E/Selenium Deficiency

Disease name?

Hepatosis Diuretica

72
Q

Dog.

MDx

Name of disease?

A

Necro-hemorrhagic segmental enteritis

Name of disease - canine parvovirus 2

73
Q

Swine small intestine

MDx

Etiology

A

Mdx - proliferative ileitis

Etiology - Lawsonia intracellularis

74
Q

Tissue from an equine fetus.

MDx?
Etiology?

A

MDx?

Multifocal necrotic hepatitis

​Etiology?

Equine herpesvirus 1

75
Q

Equine

MDx

Common neoplasm in non-glandular part of horse stomach?

A

Ulcerative gastritis

Squamous cell carcinoma

76
Q

Tissue from a sheep.

MDx?
Etiology?

A

MDx?
Catarrhal sinusitis

Etiology?
Oestrus ovis

77
Q

Llama, adult.

MDx?

Disease?

A

MDx?
Multifocal granulomatous osteomyelitis

Disease?
Tuberculosis

78
Q

Sheep.

MDx?
Cause?
Name of Disease?

A

MDx?

Nasal carcinoma

Cause?

Ovine enzootic nasal tumor virus (a retrovirus)

Name of Disease?

Enzootic nasal adenocarcinoma

79
Q

Tissue from a cow.

Normal/abnormal?

Differentials?

A

Normal/abnormal?

Abnormal

Differentials?

2 neoplasma you normally see in uterine bodies:

1) Leiomyoma
2) Lymphoma/Lymphosarcoma (BLV)

80
Q

Tissue from a cat.

Floats in fixative.

Mdx?

A

Hepatic lipidosis

81
Q

Tissue from a dog.

Normal/Abnormal?

MDx?

Pathogenesis?

A

Normal/Abnormal?

Abnormal

MDx?

Placental Subinvolution

Pathogenesis?

When placenta doesn’t involute - usually presents with bloody discharge - sites are bleeding –> hemoperitoneum

82
Q

MDx

Pathogenesis?

A

MDx - coronary atherosclerosis

Pathogenesis - hypercholesterolism - cholesterol accumulates

83
Q

Tissue from a cow.

Normal/abnormal?

Mdx?

A

Normal/abnormal?

Abnormal, lesion

Mdx?

Teratoma (all germ layers)

84
Q

Tissue of a dog.

Normal/abnormal?
MDx?

A

Normal/abnormal?

Abnormal

MDx?

Cryptorchidism

85
Q

Skin from a dog.

MDx?
Underlying endocrine abnormality?

A

MDx?

Calcinosis cutis

Underlying endocrine abnormality?

Cushing’s - hyperadrenocorticism

86
Q

Cat. Organ.

A

Lower esophagus. Normal,

87
Q

Tissue from a pig.

MDx?

A

Interstitial pneumonia.

88
Q

Normal/abnormal?

Tissue from a ?

Name of structure?

A

Normal/abnormal?

Normal

Tissue from a ?

Cow

Name of structure?

Amniotic Plaques

89
Q

Tissue from a foal

Pathogenesis?

A

Linear areas of hemorrhage within the tracheal mucosa.

Pathogenesis?

Iatrogenic - improper placement of nasogastric tube (down trachea instead of esophagus)

90
Q

Bovine

MDx

Possible etiology?

A

MDx - reticular lymphoma

91
Q

Tissues from a pig.

MDx?

How does the etiologic agent arrive?

What is the typical etiology?

A

MDx?

Embolic pneumonia

How does the etiologic agent arrive?

Hematogenous route

What is the typical etiology?

Usually bacteria, sometimes fungus

92
Q

Cat

Differentials.

Disease?

Other lesions?

A

Differentials:

Adenomatous hyperplasia

Adenomas

Carcinoma (<5% cases)

Disease: Feline hyperthyroidism

Other lesions? fibrosis on heart, infarct in kidneys - thrombosis

93
Q

Liver from rabbit.

Edx?

MDx?

A

Edx?

Coccidial hepatitis

Mdx?
Proliferative (hyperplastic) cholangitis/cholangiohepatitis

94
Q

Dog. What is the pigment (brown on H&E) that stains blue with Prussian blue reaction (histochemical stain for iron)?

A

Hemosiderin

95
Q

Canine

MDx

A

Oral papillamatosis

96
Q

Tissue from a steer.

MDx?

Etiology?

A

MDx?

Fibrino-hemorrhagic and necrotizing pneumonia (or bronchopneumonia)

Etiology?

Mannheimia haemolytica (Shipping Fever)

97
Q

Tissue from steer that was showing severe resp. distress.

MDx?
Etiology?

A

MDx?

Ulcerative, fibrino-hemorrhagic and necrotizing layngotracheitis

Etiology?

Bovine Herpesvirus 1 (Same agent as: Infectious Bovine Rhinotraceitis)

98
Q

Cat

Edx

Pathogenesis

A

Mineralization/calcification within L atrium endocardium

Edx - uremic endocarditis

Pathogenesis - uremia causes vasculitis –> endothelial damage

99
Q

Tissue from a rabbit.

MDx?

Etiology?

Pathogenesis?

A

MDx?

Chronic suppurative pleuropneumonia

Pyothorax

Etiology?

Pasteurella multocida (“Snuffles”)

Pathogenesis?

Ruptured lung abscess leading to pyothorax, pneumothorax and atelectasis (collapse of alveolar walls)

100
Q

Cat.

MDx

EDx

Etiology

Pathogenesis

A

MDx - Multifocal ulcerative glossitis

EDx - Uremic glossitis

Etiology - Uremia (chronic renal failure)

Pathogenesis - bacteria in oral cavity changes urea –> ammonia –> endothelial damage (necrotizing and can cause vasculitis)

Fibrin added to lesions

101
Q

Canine MDx

A

Congenital Megaesophagus (PRAA)

102
Q

Tissue from a monkey.

Normal/abnormal?

MDx?

A

Normal/abnormal?

Abnormal

MDx?

Endometriosis

brownish cystic structures could be anywhere in body

103
Q

MDx?

A

Icterus

104
Q

Tissue from a male dog.

MDx?

A

MDx?

Prostate hyperplasia

105
Q

Dog.

2 MDx

A

2 Mdx

1) Icterus
2) Splenomegaly

106
Q

Tissues from a pig.

MDx?

Disease name?

Etiology?

A

MDx?

Fibrino-necrotizing and hemorrhagic pneumonia confined mainly to caudal lung lobes

Disease name?

Porcine Contagious Pleuropneumonia

Etiology?

Actinobacillus pleuropneumoniae

**Note - similar to mannheimiosis in cattle, but distribution of lesions is different

107
Q

Lesion from cow.

Edx?

Mdx?

Etiology?

A

Edx?

Parasitic hepatitis, fluke-induced hepatitis

Mdx?
Chronic multifocal necrotizing hepatitis

Etiology?

Fascioloides magna

108
Q

9 year old virgin german shepherd was admitted with continuous sanguinopurulent vaginal discharge, distended abdomen and cachexia.

MDx?

A

Pyometra

109
Q

Cat.

Mdx?

A

Mdx - bilateral multifocal parathroid hyperplasia

110
Q

Tissue from a ram.

MDx?
Etiology?

A

MDx?

Necrotizing, fibrinosuppurative epididymitis

Etiology?

Brucella ovis

111
Q

Describe what you see

A

Uneven cortical surface. Loss of parenchyma and replacement of kidney tissue with connective tissue.

112
Q

Equine.

Mdx

Etiology

A

MDx - multifocal ulcerative gastritis

Etiology - Gastrophilus parasite

113
Q

Bovine.

Mdx

etiology

A

Mdx - necro-ulcerative esophagitis and glossitis

Etiology - Bovine pestivirus (BVD)

114
Q

Tissue from a bovine fetus.

Normal/Abnormal?
MDx?
Etiology?
Etiology if it was in a cat?

A

Normal/Abnormal?

Abnormal
MDx?

Cerebellar hypoplasia

Etiology?

BDV

​Etiology if it was in a cat?

Feline panleukopenia

115
Q

Species?
Normal/Abnormal?

Name?

A

Species?

Cat/Dog
Normal/Abnormal?

Normal

Name?

Zonary Placenta

116
Q

Canine - MDx

A

Intestinal intussusception

117
Q

Canine

Mdx

Etiology

A

Acute segmental hemorrhagic enteritis

Etiology - canin parvovirus 2

118
Q

Liver from a dog.

MDx?

Possible etiology?

A

MDx?
Hepatic Cirrhosis

Possible etiology? 
Prolonged primidone (anticonvulsant) therapy
119
Q

Tissue from cat.

Mdx?

Etiology?

A

Mdx?

Chronic cholangitis (bile ducts very thickened)

Etiology?
Platynosomum fastosum

120
Q

Tissue from a sheep.

Normal/abnormal?

Etiology?

A

Normal/abnormal?

Abnormal

Etiology?

Toxoplasma

121
Q

Cow

Mdx?

A

Lymphoma (lymphosarcoma) - vertebral canal, epidural space

122
Q

Cat

MDx?

A

Mdx: Lymphoma of cranial mediastinal LN

Thymoma possible ddx

123
Q

Tissue from a cat.

MDx?

A

MDx?

Prolapsed uterus

124
Q

Ferret

MDx

Clin path associated with this?

A

MDx - insulinoma

pancreatic islet cell tumor

hypoglycemia

125
Q

Dog. Lymph Node.

MDx?

A

Acute lymphadenitis

126
Q

MDx

Underlying condition?

A

Mdx - facial myxedema

also will see conjuncitivitis

Underlying condition - Hypothyroidism

127
Q

Canine. Provide differentials.

A

Histiocytic sarcoma

Lymphoma

Plasma cell tumor

Mast cell tumor

Splenitis

Amyloidosis

128
Q

Goat.

Etiology

MDx

A

Etiology - Corynebacterium pseudotuberculosis

MDx - diffuse granulomatous lymphadenitis (Caseous lymphadenitis)

129
Q

Pig.

Name of disease

Etiology.

A

Swine Dysentery

Brachyspira hyodysenteriae

130
Q

Tissue from a cow.

Normal/abnormal?

Mdx?

Consequences?

Predisposing Factors?

A

Normal/abnormal?

Abnormal

Mdx?

Uterine torsion

Consequences?

Complete block of blood supply - if fetus present it will die

Predisposing Factors?

Twinning, dystocia, trauma

131
Q

Sheep.

MDx?
Etiology?

A

MDx: Chronic caseous lymphadenitis

Etiology: Corynebacterium pseudotuberculosis

132
Q

Ovine

Edx

A

Edx - Necro-hemorrhagic coccidial enteritis

133
Q

Liver from a cow.

Etiology?

A

Fascioloides magna

Liver fluke

Iron-porphyrin pigment from fluke

134
Q

Rabbit.

Edx?

Etiology?

A

Edx?

Coccidial hepatitis

Etiology?

Eimeria stiedae

135
Q

Tissue from a rat.

MDx?

A

MDx?
Mammary fibroadenoma

136
Q

MDx

A

MDx - lymphocytic thyroiditis

137
Q

Equine

Edx

A

Ascaridial enteritis

Catarrhal inflammation

138
Q

Equine

MDx

Etiology

A

MDx

Gastric hyperplasis on L

Multifocal ulcerative gastritis on R

Etiology

L - Trichostrongylus

R- Gastrophilus

139
Q

Normal/abnormal?

Tissue from a ?

Name of structure?

A

Normal/abnormal?

Normal

Tissue from a ?

Horse

Name of structure?

Cervical Star

140
Q

Tissue from bovine fetus.

Etiology?

A

Leathery skin lesions on fetus - think fungal!

Etiology?
Aspergillus fumigatus

Placentitis also.

141
Q

Collected from cat gallbladder.

Etiology?

A

Liver fluke - Platynosomum fastosum

142
Q

What are these slides demonstrating?

Which breed of dogs is associated with familial renal disease?

A

Mineralization of tissues of stomach.

Shih tzu dogs.

143
Q

Canine

MDx

Pathogenesis

A

MDx - bilateral symmetrical ulcerative glossitis

Pathogenesis - increased urea in blood ( due to renal disease) –> oral bacteria change to ammonia –> ulcers

144
Q

Tissue from foal.

MDx?

Etiology?

A

MDx?

Multifocal to coalescing pyogranulomatous pneumonia

Etiology?
Rhodococcus equi

145
Q

Tissue from a cow.

Normal/Abnormal?

MDx?

A

Normal/Abnormal?

Normal

MDx?

Adventitious Placentation - incidental finsing

146
Q

MDx

Etiology

A

MDx - fibrous osteodystrophy

Etiology - renal secondary hyperparathyroidism

Osteolysis and replacement of bone with fibrous connective tissue

147
Q

Dog

Edx

A

Uremic gastritis

148
Q

Equine

MDx

A

Squamous cell carcinoma * most common neoplasm of horse stomach

149
Q

Tissue from a pig. A few enlarged alveolar macrophages with tachyzoites were found on histology.

MDx?

Dual etiologies?

A

MDx?
Interstitial fibrino-necrotizing pneumonia

Etiologies?

1) Porcine circovirus 2
2) Toxoplasma

150
Q

Tissue from a cow

Normal/abnormal?

Mdx?

A

Normal/abnormal?

Abnormal

Mdx?

Luteal cyst

(Cystic corpus luteum)

151
Q

Pig

MDx?

A

Diffuse severe splenic congestion

152
Q

Equine.

MDx

Etiology

A

MDx - intestinal ulceration and perforation

153
Q

Equine.

Intestine MDx

A

Granulomatous enteritis

154
Q

Dog.

MDx?

2 Possible causes.

Pathogenesis

Posisble clinical signs.

A

MDx?

Ulcerative gastritis

2 Possible causes.

NSAIDs, Mast Cell Tumor (Histamine)

Pathogenesis

NSAIDs –> prostaglandin inhibitiation –> vasoconstriction –> blood flow cut off –> necrosis

Posisble clinical signs.

155
Q
A

RUSVM Pathology II (1 decks)

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