Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Abdomen > Spleen > Flashcards

Spleen Flashcards

0
Q

The stomach is _ to the splenic hilum

A

Anterior and medial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Functions

A

Breakdown hemoglobin, form bile pigment, form antibodies, resovoir for blood.

Iron storage, defense against disease, erythropoiesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The tail of the panc is ___ to the st

A

Posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The left kid is __ to the spleen

A

Inferior medial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The tail of the panc is ___ to the upper pole of the left kid

A

Anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Name 5 structures that appear as cystic splenic masses

A

Cystic degenerations of infarcts or hematomas

Cyst assoc with PCK

Parasitic cysts (echinococcol)

Epidermoid cyst

Panc pseudocyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Spleen location, length

A

Intraperitoneal
9-11 rib LUQ
< 13 cm L
Covered by capsule and peritoneum except hilum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Ligaments

A

Lienorenal
Gastrosplenic
Phrenocolic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

White and Red Pulp

A

Filters blood

White pulp consist of lymphatic tissue, lymphatic follicles, antibody production

Red pulp is framework of reticular cells and fibers known as cords of Billroth that surround the venous sinusoids. Monocytes and macrophages

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Aplasia

A

No spleen
Rare
Assoc with lethal malformations (❤️)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Hypoplasia

A

Small spleen

More common than Aplasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Accessory spleen

A 
Extra small spleen
Usually in hilum 
< 5 cm
Isoechoic with spleen
May look like tumor or lymphadenopathy

Connecting vessel from accessory spleen to normal spleen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ectopic spleen / wandering spleen

A

Due to lack of ligaments, can torse & infarct
< .5%
Females 90%
Prophylactic splenectomy

Assoc with extreme weight loss, weak abd muscle, splenomegaly, multiparous females

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Polysplenia

A

2 spleens

Assoc with vasc anomalies, biliary atresia, CHD, abnl situs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Reasons for splenomegaly

A

Chronic inflammatory disease, malaria, TB, portal HTN, cirrhosis, hemolytic disease, sickle cell, thalecemia, infiltrative disease, leukemia, Hodgkin’s lymphoma, metabolic disease, gauschers’s, Nieman Picks, trauma, hematoma

Portal HTN, aids, infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Splenomegaly

A

> 12 cm L

16
Q

Cyst

A

PKD, simple cyst, acquired post inflammatory, trauma, parasitic, neoplastic

17
Q

Abscess

A

Due to infection
Usually multiple
Fever, abd pain, lt chest & shoulder pain

Complex, ring down from gas

18
Q

Infarcts

A

Wedge shape hypo lesion, no Doppler

Caused by occlusion of vessels
Sudden onset of LUQ pain
Usually from emboli (❤️ clot)

MC assoc with endocarditis
Leukemia, sickle cell anemia, lymphoma, vasculitis, valvular heart disease, pancreatitis, mets

Wedge shape
Round, well defined, hypo initially then hyper

19
Q

Trauma

A

Organ most often damaged with trauma
Car accidents MC cause

LUQ pain, dec hematocrit, syncope, hypotension

Assoc with rupture

Splenomegaly, hematoma may appear any echogenicity, splenic laceration/fracture,

free fluid, sub capsular hematoma, perisplenic hematoma, splenic laceration

20
Q

Structures in contact with the spleen

A

Left hemidiaphragm
Stomach
Pancreas
Splenic flexure of colon

21
Q

Best spleen long axis view

A

Intercostal coronal view with patient supine

22
Q

Portal HTN shows

A

Moderate splenomegaly and dilated tortuous vessels at the splenic hilum

Evaluate liver and portal vein

23
Q

Pancreatic tails are ____ to spleen

A

Inferior medial

24
Q

Spleen echo texture

A

Homogeneous, mid to low level echoes

25
Q

Transducer for splenomegaly

A

5MHz curvilinear

26
Q

Spleen

A

LUQ, intraperitoneal, lies between the fundus of the stomach and the diaphragm, meas < 12 cm, normal spleen dec in size and weight with age

27
Q

Pitfall

A

Inter coastal produces rib shadowing
Hepatomegaly left liver lobe may be mistaken for spleen
Mass in tail of panc may be confused with splenic mass
Accessory spleen may be confused with a large lymph node

28
Q

Histoplasmosis US findings

A

Multiple focal bright echogenic granulomatous lesions throughout spleen

29
Q

Splenic vein drains into

A

Portal Vein

30
Q

Rupture

A

Enlarged spleen with hx of trauma suggests rupture

31
Q

Granulomatous Disease / ca+

A

Histoplasmosis: fungus, bird poop airborne spores, affects lungs,

Tuberculosis

Pneumocystis Carinii

32
Q

Angiosarcoma

A

Cancer, assoc with carcinogens, LUQ mass, anemia 70%, poor prognosis

33
Q

Hodgkin’s Disease

A

Lymphoma

34
Q

Mets

A

Melanoma is MC mets to spleen. Other: lung, breast, ovary, stomach, prostate.
Target lesion

35
Q

Benign lesions

A

Hemangioma, hamartoma, lymphagioma

Hemangioma MC

36
Q

AIDs

A

Splenomegaly
W: Hodgkin’s, TB, Kaposi’s Sarcoma, Lymphoma, = hypo lesions
W: pneumocystis = numerous echogenic foci

Abdomen (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions