The Spleen Chapter 15 Flashcards Preview

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Flashcards in The Spleen Chapter 15 Deck (13):
1

The spleen is part of the reticuloendothelial system and is the largest single mass of ______ tissue in the body.

lymphoid

2

The spleen is a(n) _______ organ, covered with peritoneum over its entire extent except for a small area at its hilum, where the vascular structures and lymph nodes are located.

intraperitoneal

3

The spleen is normally measured with ultrasound on a longitudinal image from the ______ margin to the ______ margin at the long axis.

upper, inferior

4

________ may occur as part of asplenic or polysplenia syndrome in association with complex cardiac malformations, bronchopulmonary abnormalities, or visceral heterotaxis.

splenic agenesis

5

A(n) ________ is usually found near the hilum or inferior border of the spleen but has been reported elsewhere in the abdominal cavity.

accessory spleen

6

The _______ indicates the percentage of red blood cells per volume of blood.

hematocrit

7

The term _____ indicates bacteria in the bloodstream.

sepsis

8

The increase in the number of white blood cells present in the blood that is a typical finding of infection is called ______.

leukocytosis

9

Sonographically the splenic parenchyma should have a fine homogeneous _______, as is seen within the liver parenchyma.

low-level echo pattern

10

Systemic venous congestion is found in cardiac decompensation involving the _______ side of the heart.

right

11

In infants and children in crisis, the earlier stage of _______, the spleen is enlarged with marked congestion of the red pulp.

sickle cell anemia

12

Patients with hepatosplenic _______ may show irregular masses within the spleen, the "wheels-within-wheels" pattern, with outer wheel representing the ring of fibrosis surrounding the inner echogenic wheel of inflammatory cells and a central hypoechoic area.

candidiasis

13

If the patient has severe left upper quadrant pain secondary to trauma, a splenic ______ or a(n) _______ hematoma should be considered.

hematoma, subcupsular