Gross and Microscopic Structures Flashcards
This tissue is from a 5 year old cat with a history of being treated corticosteroids, what is the lesion?
glucocorticoid hepatopathy
What pigment is shown here?
hematin
What is shown here?
hypertrophy
Based on gross appearance, what is your diagnosis about this lesion?
atrophy
What is this lesion indicitive of?
caseation necrosis in the lung
What is your diagnosis based on gross appearance of this organ?
coagulative necrosis
What is occuring in this picture?
icterus/jaundice
This is a canine prostate and testicle, based on gross appearance what is your diagnosis?
prostatomegaly with a prostatic cyst caused by either hyperplasia or metaplasia
What is this lesion indicitive of?
wet gangrenous necrosis
What type of nucleation is this?
pyknotic
What type of nucleation is this?
karyolysis
Which region is normal?
A
What is shown here?
lipidosis
What is your diagnosis based on gross appearance of this organ?
caseous necrosis
What pigment is shown here?
melanin
Which region is normal?
A
What is occuring in this picture?
hyperplasia
What is this lesion indicitive of?
wet gangrenous necrosis
This is a bovine heart, based on gross appearance, what is your diagnosis?
serous atrophy of epicardial fat
This is tissue from a bovine aorta, based on gross appearance what is your diagnosis?
metastatic calcification
PAS is used here, is this a positive or negative result?
negative
This is pancreatic tissue, identify this structure:
hemorrhage and inflammatory cells
This is lung tissue, what is this?
eosinophilic necrotic debris
What is this lesion indicitive of?
liquefactive necrosis
What are these regions of?
saponofication
What is this lesion indicitive of?
fat necrosis
What is shown here?
normal epithelium
What is shown here?
bile duct hyperplasia
What is this pigmentation caused by?
melanin
This is lung tissue, what is this a band of?
neutrophils
What is occuring here?
coagulative necrosis
This is tissue from the uterus of a dog, what is occuring in this slide?
cystic endometrial hyperplasia
What is shown here?
dysplasia
Which of these is normal?
the one on the right
What is shown here?
equine idiopathic esophageal muscular hypertrophy
What is occuring in this picture?
metastatic calcification
What is your diagnosis based on gross appearance of this organ?
dry gangrenous necrosis
This is skeletal muscle, what is occuring here?
the myofibers are swollen
Which region is normal?
B
Based on gross appearance, what is your diagnosis about this lesion?
pressure atrophy potentially with some liquefactive necrosis
What is this cartoon a representation of?
karyorrhexis
This is a spleen, based on gross appearance, what is your diagnosis for this organ?
splenic nodular hyperplasia
What is occuring in this picture?
hepatic lipidosis
This is pancreatic tissue, what is this?
neutrophils
What is this lesion indicitive of?
ulceration necrosis
What is occuring in this picture?
icterus/jaundice
PAS is used here, is this a positive or negative result?
positive
What is this lesion indicitive of?
ulceration necrosis
What is happening to this structure?
necrotic tubular epithelium
What is this lesion indicitive of?
caseation necrosis
What is this lesion indicitive of?
wet gangrenous necrosis
This is skeletal muscle, what is occuring here?
necrotic myofibers
Identify this structure:
urate crystals from gout
This is from necrotic tissue, Von Kossa stain was used, what is shown here?
dystrophic calcification
What is shown here?
acicular clefts from cholesterol accumulation
What is shown here?
endometrial squamous metaplasia
What is this lesion indicitive of?
caseation necrosis
What is your diagnosis based on gross appearance of this organ?
ulceration necrosis
What is occuring in this picture?
pancreatic nodular hyperplasia
What is your diagnosis based on gross appearance of this organ?
fat necrosis
Which region is normal?
A
Which is apoptosis and which is necrosis?
A - necrosis
B - apoptosis
What pigment is shown here?
hematin
This is a enlarged liver from a cat that has not been eating for days, based on gross appearance, what is your diagnosis about this lesion?
hepatic lipidosis
This image is from a liver sample, what is shown here?
hepatocellular atrophy; unusual gapping in beteen cells, cell size is small and there are less of them
This is pancreatic tissue, classify this cell:
necrotic peripancreatic fat
This is tissue from the uterus of a dog, what is this structure?
cystic glands
This slide was treated with PAS, what would the diagnosis be?
glucocorticoid hepatopathy
What is occuring in this picture?
metastatic calcification
What is this an image of?
acute cell swelling
What is this cartoon a representation of?
karyolysis
Identify this structure:
anthracotic pigment
What is occuring to this liver based on gross appearance?
hyperplasia
What is occuring in this picture?
hypertrophic cardiomyopathy
This is lung tissue, what is this?
necrotic debris
What is this lesion indicitive of?
ulceration necrosis
What is this cartoon a representation of?
pyknosis
This is pancreatic tissue, identify this structure:
pancreatic parenchyma
What is occuring in this picture?
pressure atrophy
What is occuring in this picture?
serous atrophy due to severe coloric deficiency
What is occuring in region A?
coagulative necrosis; the arrow is pointing to a cell with a pyknotic nuclear change which is indicative of coagulative necrosis
What is occuring in this picture?
compensatory hypertrophy
What is shown here?
glucocorticoid hepatopathy
What is occuring to the cells outlined in blue?
they are in the transition phase
What is occuring in this picture?
periarticular gout
This is tissue from a liver, what is occuring here?
bile duct epithelial hyperplasia
What are the arrows pointing to?
line of demarcation
What is occuring here?
hemorrhage
What is shown here?
atrophy
What is occuring in this picture?
cell swelling
This is lung tissue, what is this a band of?
macrophages and fibrous tissue
This is pancreatic tissue, what is this?
mineralized basophilic material
Identify this structure:
mitochondria
What is occuring in this picture?
metastatic calcification
This is from necrotic tissue, what is occuring here?
dystrophic calcification - dark pigmentation
What is this lesion indicitive of?
dry gangrenous necrosis
What is shown here?
pulmonary alveolar mineralization - metastatic calcification
What is occuing in region B?
cell swelling
What is occuring in this picture?
benign nodular hyperplasia
What is this lesion indicitive of?
peri-pancreatic fat necrosis
What is shown here?
hyperplasia
What is occuring to this cell?
acute cell swelling
What is shown here?
metaplasia
What is occuring in this picture?
cystic endometrial hyperplasia
What is your diagnosis based on gross appearance of this organ?
liquefactive necrosis
What is shown here?
hypertrophy
Identify this structure:
macrophage
This is skeletal muscle, what is occuring here?
fibrosis
What is occuring in this picture?
hypertrophy
Based on gross appearance, what is your diagnosis about this lesion?
Coagulation necrosis
This is pancreatic tissue, identify this structure:
necrotic peripancreatic adipose tissue or fat
Identify this structure (the grey thing):
silica crystals
What is occuring in region B?
coagulation necrsosis (due to the pyknotic nuclei) and dystrophic calcification
