Spleen Flashcards

1
Q

The spleen has what relationship to the peritoneum?

A

intraperitoneal

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2
Q

What is the normal length of the spleen?

A

12-13 cm

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3
Q

The spleen is located in which quadrant?

A

LUQ (left hypochondrium)

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4
Q

The spleen has a ____ superior surface and a ______ inferior surface

A

Convex; concave

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5
Q

The spleen is part of what system?

A

reticuloendothelial

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6
Q

Which portion of the spleen is not covered by peritoneum?

A

splenic hilum

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7
Q

Which vessel supplies the spleen?

A

splenic artery

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8
Q

When does white pulp develop?

A

during gestation

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9
Q

What is the function of white pulp?

A

lymphocytes and monocytes

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10
Q

When does red pulp develop?

A

after birth

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11
Q

What does red pulp do?

A

filters blood

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12
Q

What is the sonographic appearance of the spleen?

A

homogenous, Isoechoic or less echogenic than liver

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13
Q

The echogenicity of the spleen is compared to the ?

A

left kidney

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14
Q

What are splenic varices?

A

Dilation of the vessels in splenic hilum

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15
Q

The spleen lies ______ to the stomach and pancreas

A

posterolateral

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16
Q

The stomach is _____ to the spleen

A

anterior

17
Q

What are the 4 major functions of the spleen?

A

defense, hematopoiesis, RBC removal, storage

18
Q

What is the most common anomaly of the spleen?

A

splenomegaly

19
Q

True or False: Splenomegaly is usually primary

A

False; secondary

20
Q

What are the causes of splenomegaly?

A

congestive, hematologic, infiltrative, metabolic

21
Q

What is the most common cause of splenomegaly? What is it associated with?

A

portal hypertension; cirrhosis

22
Q

True or False: splenic cysts are rare

A

True

23
Q

What is another name for an accessory spleen?

A

splenule

24
Q

What is the most common location of a splenule?

A

splenic hilum

25
Q

The spleen begins to develop in which week of gestation?

A

5