Case Studies! Flashcards
Give MDx and Etiology
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/484/137/q_image_thumb.png?1448979611)
MDx: Atrophic Rhinitis (Catarrhal rhinitis with lateral deviation of the nasal septum and a symmetric atrophy of the nasal turbinates)
Etiology: P. Multicida,Bordetella bronchiseptica
Give Etiology and Pattern of lesions
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/484/481/q_image_thumb.png?1448979835)
Etiology= hematogenous bacterial infection
Pattern= Embolic pneumonia
Give Name of Disease of the lungs of this 3 month old pig and describe lesions!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/484/750/q_image_thumb.png?1448979929)
Name of Disease= Porcine Contagious Pleuropneumonia
Description= Focal areas of necrosis and hemorrhage in middle and caudal lung lobes
Describe Lesions!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/485/037/q_image_thumb.png?1448980157)
Reddish lines in the mucosa of Trachea (from passage of nasogastric tube); Aspiration pneumonia leading to death
Give Etiology and MDx for these tissues from a young horse!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/485/120/q_image_thumb.png?1448980255)
Etiology= Rhodococcus equi
MDx= Multifocal pyogranulomatous pneumonia
Give Etiologic Diagnosis and describe lesions!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/485/540/q_image_thumb.png?1448980358)
EtDx= Uremic Glossitis (DDx: Calicivirus Glossitis)
Description= Fibronecrotic debri and ulcers on the tongue
Give the MDx in the Shar Pei!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/485/665/q_image_thumb.png?1448980476)
MDx= Renal Amyloidosis
Give the cause of the lesions, MDx and a lesion you need to rule out !
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/485/788/q_image_thumb.png?1448980541)
Cause= Uremia (esp. Dogs); Left atrium can be mineralized (calcium)
MDx= Ulcerative, necrotizing, uremic endocarditis
Rule out= valvular issues “Jet Lesions”
Give MDx and Cause!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/486/265/q_image_thumb.png?1448980764)
MDx= Multifocal subpleural intercostal mineralization
Cause= Renal Failure causing Dystrophic Calcification
Give Etiological Diagnosis and Cause!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/486/837/q_image_thumb.png?1448980977)
EtDx= Uremic Gastritis
Cause= Renal Failure
What is the Congenital Disease this breed of dog gets?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/487/050/q_image_thumb.png?1448981031)
Congenital Renal Disease
Name the stain and what it is staining!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/487/425/q_image_thumb.png?1448981093)
Von Kossa Stain
Staining for calcium (uremic gastritis)
What is this a picture of and the cause?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/487/702/q_image_thumb.png?1448981209)
Necrosis of the Gastric mucosa
Caused by Uremic Gastritis
Name the condition and the cause!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/487/825/q_image_thumb.png?1448981299)
Fibrous Osteodystrophy “Rubber Jaw”
Caused by Renal Failure
Death by renal failure is caused by a combination of multisystemic abnormalities including electrolyte imbalances, metabolic acidosis, cardiotoxicity due to increased serum K and pulmonary edema.
Describe whats going on in the bone!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/487/934/q_image_thumb.png?1448981377)
Osteolysis
Name the Disease!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/488/132/q_image_thumb.png?1448981426)
Rubber Jaw! (Fibrous Osteodystrophy)
Rottweiler presenting with lesions in kidney, lungs and was anemic! This is a picture of the kidney what is the likely lesion seen?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/556/073/q_image_thumb.png?1449006878)
Renal Failure with anemia and Uremic Pneumonitis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/556/073/a_image_thumb.png?1449006936)
Is this normal bone marrow from a calf?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/488/217/q_image_thumb.png?1448981598)
Yes, hemopoietically active bone marrow (uniform consistency and red to dark red in color)
Give 2 morphologic diagnoses!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/488/451/q_image_thumb.png?1448981700)
MDx= Icterus and Splenomegaly
Give the cause and associated lesion in the small intestine of a dog!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/488/609/q_image_thumb.png?1448981776)
Cause= Canine parvovirus (CPV-2)
Associated lesion= lymphoid depletion and bone marrow depletion
If this was a cat it would be feline panleukopenia virus
Give the MDx of the lesion!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/488/777/q_image_thumb.png?1448981887)
MDx= Metastatic melanoma
Describe this lesion in a horse!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/488/893/q_image_thumb.png?1448981964)
Hemangiosarcoma invading the bone and bone marrow
Give the MDx and name of disease in this Llama!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/488/971/q_image_thumb.png?1448982108)
MDx= Multifocal granulomatous osteomyelitis
Disease= Tuberculosis
The ring is caused by inflammation
Give the MDx and describe the lesion!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/489/110/q_image_thumb.png?1448982949)
MDx= Lymphosarcoma
Lesion description= Red marrow and white fat marrow is being displaced along the medullary cavity and by a more yellow color tumor tissue near the epiphysis
Give the MDx and Etiology for this lesion!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/491/071/q_image_thumb.png?1448983063)
Mdx= Serous atrophy of bone marrow fat
Etiology= Chronic emaciation
Give the MDx, associated clinical pathology findings and radiographic appearance!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/491/119/q_image_thumb.png?1448983203)
MDx= Multiple Myeloma
Radiograph Lesions= Punched out lesions with areas of osteolysis
Clin Path= Hypercalcmia, monoclonal gammopathy, bence jones proteinuria, cytopenias
Give the MDx of this lesion!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/491/342/q_image_thumb.png?1448983369)
MDx= Acute lymphadenitis
Increased in size so either inflammatory or degenerate
Describe the lesion!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/492/084/q_image_thumb.png?1448983514)
Early Acute lymphadenitis
Medulla of the lymph node; increased macrophages and sinus histiocytosis
Give the MDx, Name of the disease and etiology in this horse!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/492/338/q_image_thumb.png?1448983624)
MDx= Acute suppurative lymphadenitis
Name of Disease= Equine Strangles
Etiology= Streptococcus equi sup. equi
Dorsal view of larynx, left and right retropharyngeal lymph nodes
Give the MDx and etiology of this lesion in a sheep!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/492/621/q_image_thumb.png?1448983796)
MDx= Chronic caseous lymphadenitis
Etiology= Corynebacterium pseudotuberculosis
Same etiology in the dog
Give the MDx and name of disease of this lesion in a cow!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/492/663/q_image_thumb.png?1448983878)
MDx= Diffuse, chronic granulomatous lymphadenitis
Name of Disease= Tuberculosis (mycobacterium bovis)
Name the disease and describe the lesions in a cow!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/493/109/q_image_thumb.png?1448984092)
Name of the disease= Johne’s disease (mycobacterium avium sp. paratuberculosis)
Describe= Multinucleated giant cells: Langhans cells; several noncaseating granulomas (pale areas) have replaced the normal lymphoid tissue
Give the MDx of this lesion in the cat!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/493/453/q_image_thumb.png?1448984290)
MDx= Lymphoma or Lymphosarcoma
Cranial mediastinal lymph nodes
Describe the lesion and give the etiology!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/493/680/q_image_thumb.png?1448984368)
Jowl abscess in the mandibular lymph nodes
Etiology= Streptococcus porcinus
Give the MDx of this lesion in a cow!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/494/418/q_image_thumb.png?1448984448)
MDx= Lymphoma (lymphosarcoma) in the vertebral canal in the epidural space
Name the lesion seen in this fine needle aspirate of a canine popliteal lymph node!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/494/494/q_image_thumb.png?1448984554)
Leishmania
Give the MDx and etiology of this lesion in the mandibular lymph nodes of a cat!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/494/584/q_image_thumb.png?1448984609)
MDx= Diffuse granulomatous lymphadenitis
Etiology= Cryptococosis (cryptococcus gattii)
Give the etiology and MDx of this lesion in a goat!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/494/889/q_image_thumb.png?1448984721)
Etiology= Crynebacterium pseudotuberculosis
MDx= Diffuse granulomatous (caseous) lymphadenitis
Give the MDx and Name of disease seen in this lesion in a cow!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/495/277/q_image_thumb.png?1448984905)
MDx= Severe, diffuse Peyers patches necrosis
Disease= Mucosal disease (BVDV)
Give two MDx of this lesion seen in a dog!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/495/531/q_image_thumb.png?1448985004)
MDx= Siderotic plaques and Nodular hyperplasia (incised)
Name the pigment (brown on H&E) that stains blue with the Prussian blue reaction (stain for iron)!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/495/721/q_image_thumb.png?1448985099)
Hemosiderin
Provide differential diagnoses for this lesion seen in a dog!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/495/831/q_image_thumb.png?1448985158)
Histiocytis sarcoma, lymphoma, plasma cell tumor, mast cell tumor, splenitis, amyloidosis
Give a MDx for this lesion seen in a dog!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/495/956/q_image_thumb.png?1448985218)
MDx= Chronic splenic infarct
Give a MDx and Etiology for this lesion seen in a pig!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/496/019/q_image_thumb.png?1448985278)
MDx= Diffuse sever splenic congestion
Etiology= African Swine Fever
Give a MDx for these lesions seen in a dog!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/496/093/q_image_thumb.png?1448985377)
Spleen and Brain
MDx= Metastatic hemangiosarcoma
Give a MDx, etiology and the other organs affected in this lesion seen in a chicken!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/496/441/q_image_thumb.png?1448985478)
MDx= Lymphoid tumors
Etiology= Gallid herpesvirus 2 (Marek’s disease)
Seen in liver, spleen, peripheral nerves, eyes and kidney
Give a MDx for this lesion seen in a cat!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/496/735/q_image_thumb.png?1448985617)
MDx= Thymic lymphosarcoma
Give the MDx for this lesion seen in a cow!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/496/802/q_image_thumb.png?1448985686)
MDx= Multifocal, petechial to ecchymotic hemorrhages in thymus
Give a MDx for this lesion seen in a woodchuck!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/497/247/q_image_thumb.png?1448985783)
MDx= healed traumatic splenic rupture
Give a MDx for this lesion seen in a ferret!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/497/353/q_image_thumb.png?1448985845)
MDx= Lymphoma (mesenteric lymph nodes)
Give a MDx, 3 possible causes and common clinical sign seen with this lesion in a dog!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/497/438/q_image_thumb.png?1448986418)
MDx= Multifocal to coalescing necrotizing ulcerative gastritis
Causes= Bacterial (helicobacter), NSAID overdose (prostaglandins inhibited), uremia
Clinical sign= Melana
Give the name of the syndrome and cause seen in this dog!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/498/529/q_image_thumb.png?1448986617)
Syndrome= Vitamin E deficiency (Brown Gut syndrome)
Cause= Pigment is lipofuscin caused by oxidative damage over time in muscle and stomach cells
Give the MDx for this lesion!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/499/929/q_image_thumb.png?1448986761)
MDx= Dental Calculus (Plaque)
GIve the MDx and etiology of this lesion seen in a horse!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/500/121/q_image_thumb.png?1448986829)
MDx= MUltifocal Ulceration of the Stomach
Etiology= Gastrophilus
Give the MDx and types of cells seen on histo for this lesion in a horse!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/500/286/q_image_thumb.png?1448986944)
MDx= Granulomatous Enteritis
Cell type= Macrophages
Can be seen as a post mortem change but with stretching it will go flat but not if it is antemortem
Is this normal in a cat?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/500/578/q_image_thumb.png?1448987084)
Yes this is a normal herringbone pattern of the esophagus in a cat!
Give the MDx and etiology of these lesions seen in a a horse!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/500/740/q_image_thumb.png?1448987234)
MDx= Proliferative (hyperplasia) gastritis (left lesion) and Multifocal ulcerative gastritis (right lesion)
Cause= Trichostrongylus axei (left lesion) and Gastrophilus (right lesion)
Give a MDx and etiology for this lesion seen in a horse!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/501/199/q_image_thumb.png?1448987521)
MDx= Focal perforation of the duodenum
Etiology= Perforation and rupture
Give the etiological diagnosis and MDx for this lesion in a horse!
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/502/069/q_image_thumb.png?1448987639)
EtDx= Ascaridial enteritis
MDx= Catarrhal enteritis