Spleen Flashcards
Where is the SMV in relation to the pancreas?
Posterior to the neck
Where is the splenic artery in relation to the pancreas?
A) anterior
B) posterior
C) inferior
D) superior
Superior
What part of the spleen is the “major site for immunologic activity”
A) Red pulp
B) White pulp
C) Splenic pulp
D) Yellow pulp
WHITE
Name 5 reasons for increased WBC count.
- infection
- inflammation
- acute leukemia
- hemorrhage
- carcinoma
What happens to hematocrit when someone is hemorrhaging?
Decreases
What is the term for “bacteria in the bloodstream”?
Sepsis
Most common area for a splenule?
Hilum
What measurement is considered splenomegaly?
> 13
Spleen measures 14cm and has varices at hilum. What abnormality are we concerned with?
Portal hypertension
What is the most common collateral to form at spleen in portal hypertension?
Splenorenal
“Large volume of blood pools in liver and spleen causing hepatosplenomegaly” is known as?
Splenic sequestration - complication of sickle cell disease
On ultrasound you see splenomegaly and patients hematocrit is decreased. What is the most likely cause?
Sickle cell anemia
What in the spleen is often associated with granulomatous disease (histoplasmosis,T B)?
Calcification
What are the 4 splenic infections and their SF?
- Candidiasis - “wheel within a wheel” appearance and possible splenomegaly
- Mycobacterial infections - small, diffuse echogenic foci, possible splenomegaly
- Active TB - echo poor or cystic masses, possible calcs and splenomegaly
- AIDS - Small, round hypoechoic lesions, potential splenomegaly, granulomatous calcs, lymphadenopathy, ascites
What abnormality is described as “wedge-shaped or round areas at periphery with diminished blood flow”?
Infarction