Ultrasound examination review: Spleen

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splenic artery originates at the

celiac trunk

The spleen removes irregular cells from the bloodstream and retains them through a process called

culling

Hydatid cyst

cyst results from parasites infestation of an organ by a tapeworm

Most common sonographic appearance of a splenic hemangioma

echogenic

Epstein-barr infection

herpevirus that can lead to infectious mononucleosis

Most common cause of splenomegaly

portal hypertension

Splenic vein marks the

posterior aspect of the pancreatic body and tail

what is the systemic disease that results in the development of granulomas within the spleen and throughout body

sarcoidosis

Granulomas

small echogenic calcifications that result from inflammation of tissue in that area

white pulp

specialized lymphatic tissue within the spleen

Red pulp

specialized tissue within the spleen that performs phagocytic function

Most common place for accessory spleen

splenic hilum

An area within the spleen that has become necrotic because of lack of oxygen

splenic infarct

Diffuse involvement of lymphoma or leukemia of the spleen will often lead to

splenomegaly

sickle cell disease will often lead to

splenomegaly

The splenic artery marks the the

superior aspect of the pancreatic body and tail

Splenic vein joins with what structure posterior to the pancreatic neck to form the portal vein

superior mesenteric vein

sarcoidosis

systemic disease that results in the development of granulomas throught the body

Type of tissue within the spleen that is responsible for lymphatic function

white pulp

The spleen

- Largest lymphatic organ -The largest structure of the reticuloendothelial system -Primary objective is to filter the peripheral blood

Hemangioma

A benign tumor composed of blood vessels

A 25 yr old female patient presents to the u/s dept. for a complete abo sono. complaint of RLQ pain and nausea. RuQ abdomen appears normal. Small mass noted in splenic hilum. Mass appears isoechoic to spleen. What is this?

Accessory spleen

A rare malignant tumor of the spleen that consists of blood vessels is:

Angiosarcoma

32 yr old female patient presents to the u/s dept for abd. sonogram. Evaluation of the spleen reveals a 1 cm rounded echogenic mass that does not produce acoustic shadowing. Diagnosis:

Hemangioma

In a patient with suspected lymphoma, the presence of Reed-Sternberg cells indicates:

Hodgkin lymphoma

histoplasmosis

Inhalation of an airbornne fungus that can affect the lungs and spread to other organs

The spleen is a

Intraperitoneal organ

Small echogenic foci scattered throughout the spleen is most likely

Multiple benign granulomas

All of the following are functions of the spleen except: A. storage of iron B. Defense against disease C. Blood resevoir D Destruction of phagocystic cells

Phagocytic cells

Angiosarcoma

Rare malignant tumor of the spleen that is derived from blood vessels

Type of tissue within the spleen that is responsible for its phagocystic function

Red pulp

Accessory spleen

Small round island of splenic tissue often located near the splenic hilum or near the tail of pancreas

48 yr old male patient with a Hx of severe, sudden onset LUQ pain w/o trauma presents to the u/s dept. for a sonogram of spleen. A wedged shaped hypoechoic area within the spleen is seen

Splenic infarct

splenic infarct

area within the spleen that has become necrotic because of lack of oxygen

35 yr old male patient presents to the u/s dept. for abd. scan with a hx of histoplasmosis. What are you more likely to identify within the spleen

Multiple granulomas

All of the following are associated with splenomegaly except: A. trauma B. hemolytic abnormalities C. Mono D. pancreatitis

Pancreatitis

complex cyst that results from the parasitic infestation of the spleen by a tapework

hydatid cyst

Bacterial endocarditis

infection of the surface of the heart that can spread to other organs

14 yr old male patient presents to the u/s dept after falling off bike. Sonogram reveals a complex appearing mass within spleen. Most likely is a

splenic hematoma


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