Spleen Flashcards
how thick can the spleen be normally?
up to 1cm thick
what is the echogenicity of the spleen?
hyperechoic to liver and left kidney
what are the diffuse splenic changes?
splenomegaly
heterogenous
hypoechoic
what does splenic lymphoma look like?
spotted, honeycomb, swiss-cheese
numerous hypoechoic small nodules
lymphadenomegaly
what major vessels attach the spleen to the stomach?
short gastric arteries and veins
left gastroepiploic artery and vein
which side of the animal is the spleen on?
left side
which organs can you used to compare the echogenicity of the spleen to?
liver
left kidney
both hypoechoic to spleen
what are some focal splenic changes?
hematoma
neoplasia
nodular hyperplasia
what can cause splenomegaly with normal parenchyma?
sedation
extramedullary hematopoiesis
neoplasia: round cell
what can cause splenomegaly with hypoechoic echogenicity?
torsion
infarct
lymphoma
how do you determine that there is splenomegaly?
subjective, rounded margins
cats: >1cm
what can cause focal hyperechoic changes to the spleen?
myelolipoma
nodular hyperplasia
thrombosis
mineralization
how common are cysts in the spleen?
rare- rarer than in liver