Chapter 5 spleen questions
Epstein-Barr infection is best described as
A herpesvirus that can dad to infectious mononucleosis in children
25 yr old patient with RLQ pain and nausea, a small mass is noted in the area of hilum isochoic to parenchyma what is it?
Accessory spleen
Rare malignant tumor of the spleen that consists of blood vessels
Angiosarcoma
The splenic vein marks the
Anterior aspect of panc body and tail
Splenic artery originates at the
Celiac trunk
Angiosarcoma appears as
Complex or solid mass
The spleen removes irregular cells from the blood stream and retains them through a process called
Culling
The spleen ________ in size with age
Decreases
All of the following are functions of the spleen except
Destruction of phagocytic cells
Most common US appearance of hemangioma
Echogenic
In the fetus the spleen is responsible for
Erythropoiesis
Process off making RBCs is called
Erythropoisis
32 yr old F presents with a 1cm rounded echogenic mass that does not shadow what is the most likely DX
Hemanioma
Most common location of accessory spleen
Hilum
Two types of lymphoma
Hodgkins and non hodgkins
In a patient with suspected lymphoma the presence of reed stern berg cells indicates
Hodgkins lymphoma
Spleen is _______peritonial organ
Intra
The most common malignancy of the spleen
Lymphoma
35 yr old M presents with abd pain and histoplasmosis what are you more likely to identify within the spleen?
Multiple granulomas
What is the most Likely clinical finding of splenic hemangioma
None
An area within the spleen that has become necrotic because of lack of O2 is called
Splenic infarct
All of the following are true about the spleen except
The spleen has a convex inferior margin and concave superior margin
Splenic hemangioma appearancce
Well defined hyperechoic mass
The type of tissue responsible for lymphatic funtion
White pulp
A complex cyst that results from the parasitic infestation by a tapeworm is
Hydatid cyst
Granulomas appear as
Hyperechoic Small foci
Splenic infants appear as
Hypoechoic (acute) (Hyper)wedge shaped within spleen
All of the following can be associated with splenomegaly except
Pancreatits
Most common reason for splenomegaly
Portal hypertension
The most common cause of splenomegaly is
Portal hypertension
Type of tissue responsible for the phagocytic funtion
Red pulp
Which systemic disease results in the development of Granulomas within the spleen and throughout the body
Sarcoidosis
48 yr old male with a hx of severe sudden onset of LUQ pain without trauma. You visualize a wedge shaped Hypoechoic area within the spleen
Splenic infarct
Diffuse involvement of lymphoma or leukemia of he spleen will lead to
Splenomegaly
Sickle cell disease will often lead to
Splenomegaly
Splenic artery marks the
Superior aspect of panc body and tail
The splenic vein joins with what structure posterior to the pancreatic neck to form the portal vein
Superior mesenteric vein
