Spleen
In the adult, splenomegaly is diagnosed when the length of the spleen exceeds _____ centimeters (cm).
13
Which one of the following symptoms is the most symptom in patients with a splenic hamartoma?
Asymptomatic
Primary tumors that may metastasize to the spleen originate from all of the following structures except:
Brain
What sonographic signs are present in the patient with histoplasmosis?
Bright echoes
Splenic infarction is most commonly the result of:
Cardiac emboli
Which one of the following may cause a splenic rupture?
Cavernous hemangioma
Atrophy of the spleen may be found in all of the following except:
Cirrhosis
In the early stages of sickle cell anemia, the spleen generally appears:
Enlarged
The normal sonographic appearance of the splenic parenchyma is:
Homogeneous and similar to the liver
An abnormal decrease in platelets may be the result of a(n):
Internal hemorrhage
Massive splenomegaly is most likely the result of:
Myelofibrosis
When accessory spleens are present, they are usually located:
Near the hilum of the spleen
The splenic vein courses along the posterior border of the:
Pancreas
The spleen is variable in size and is considered to be all of the following except:
Pentagonal
Other areas that should be examined when ruling out a splenic rupture include all of the following except:
Pericardium
A chronic disease of unknown causes that involves all bone marrow elements is:
Polycythemia vera
All of the following are functions of the spleen except:
Production of red blood cells
The best patient position to evaluate the spleen is:
Right decubitus
Lymph nodes emerge from the splenic hilum and course along the:
Splenic artery
Splenomegaly may result from all of the following except:
Subphrenic abscess
The spleen has two components joined at the hilum; they are the ______________ and ______________ components.
Superomedial; inferolateral
Which one of the following statements describes the correct anatomic location of structures adjacent to the spleen?
The left kidney lies inferior and medial to the spleen.
Which one of the following statements about the spleen is false?
The spleen is located within the retroperitoneum.
The major function of the spleen is:
To filter the peripheral blood
A spleen that has migrated from its normal location is termed:
Wandering spleen