Spleen Flashcards
What is Grey Turner’s Sign
discoloration of the glands due to the necrosis of blood vessels which results in hemorrhage
_______- is a fluid collection that develops a well defined wall in response to enzymes
Pseudocyst
what is the most common spleen pathology?
Splenomegaly
T or F
Is the most common cause of LUQ mass splenomegaly
True
diagn. these symptoms
LUQ pain and fullness
splenomegaly
what are the causes of splenomegaly?
- congestion
- Infection
- neoplasm
- hemolytic anemia
- storage disease
- trauma
diag. these sonographic findings
- measures larger than 8-13 x7-8 x 6 cm
- Tip covers the lower pole of the kidney
Splenomegaly
in splenomegaly the tip of the spleen covers the lower pole of the ________
kidney
What is the imagin method of choice for splenic trauma
CT
what are the 5 most common causes of trauma to the spleen? (
- MVA
- Sports Injuries
- Gunshot wounds
- Stab wounds
- Physical abuse
what are the trama symptom? (4)
- LUQ Pain
- Left shoulder pain
- Left flank pain
- dizziness
diag. these clinical findings.
- LUQ tenderness
- Hypotension
- decreased hemoglobin
Trauma
Diag. these sono findings.
- splenomegaly
- irregular splenic border
- hematoma
- contusion (inhomogeneity)
- subcapular and pericapsular fluid collection
- LT pleural effusion
Trauma
what are the 6 sonographic findings for trauma
- splenomegaly
- irregular splenic border
- hematoma
- contusion (inhomogeneity)
- subcapular and pericapsular fluid collection
- LT pleural effusion
what is the most common cause of focal splenic lesions?
Infarct
Infarct is caused by ______ of the splenic artery or any of its branches
occlusion
the result of _______ almost always arise in the heart.
emboli
name symptoms of infarct
- acute pain- sudden epidose of infarction
- asymptomatic-old infarcts
name sono. findings of infarct?
- early infarcts may be hypoechoic or isoechoic
- older infarct appear hypoechoic or hyperechoic depending on the amount of fibrosis and organized clot
name the two classifications of splenic cyst
true or primary cyst
secondary or pseudocyst
primary cyst are more common in ?
females
primary cyst are associated with what disease?
polycystic kidney disease
Secondary cyst are usually associated with_______
trauma
T or F
patients with secondary cyst always recall the trauma and are diagnosed quickly?
False
the patient may not recall the trauma, and may go undiagnosed for years
Secondary cyst are also caused by?
infection, parasite infarction
what is the only parasite that forms splenic cyst?
echinococcus
Echinococcus is the only parasite that forms splenic cyst. Appears as an _______lesion with possible ________ cyst and calcification or as a _______ mass with fine internal echoes
anechoic, daughter, solid
sono findings
- hypoechoic or anechoic lesion
- well defined walls
- through transmission
- may have internal echoes or debris
- hemorrhage may produce a fluid level
cyst
Are calcification common and usually an incidental findings?
Yes
Calcifications generally resultr from ?
healed granulomas and show hyperechoic areas
what is the most common cause of a granuloma
histoplasmosis and TB
T or F
Are abscesses relatively uncommon and usually singular?
True
What is an abscess caused by?
bacteria
A patient with sickle cell anemia, the abscess formation is often cause by_________?
Salmonella
T or F
A damaged spleen provides a good culture medium
True