Peritoneal Cavity notes

Question 1

Outer layer, lines the walls of the cavity

Answer 1

parietal peritoneum

Question 2

Inner layer, covers abdominal organs

Answer 2

visceral peritoneum

Question 3

Small intestine suspended from the posterior

abdominal wall by

Answer 3

mesentary

Question 4

Transverse colon suspended from the posterior

abdominal wall by the

Answer 4

transverse mesocolon

Question 5

Sigmoid colon suspended from the posterior

abdominal wall by the

Answer 5

sigmoid mesocolon

Question 6

The lesser sac communicates with the greater sac

through this small opening

Answer 6

epliploic foramen

Question 7

The space b/w the liver, pancreas,

& stomach.

Answer 7

lesser sac

Question 8

pouch of douglas/rectouterine pouch is the equivalent to what in men

Answer 8

rectovesicle pouch

Question 9

Double layer of peritoneum, extending from the liver

to the lesser curvature of the stomach

Answer 9

lesser omentum

Question 10

Apron-like fold of peritoneum that hangs from the

greater curvature of the stomach

Answer 10

greater omentum

Question 11

above diaphragm

Answer 11

pleural

Question 12

Mass is confirmed to be within the

retroperitoneal cavity when there is

Answer 12

anterior displacement of kidneys/ureters

Question 13

Retroperitoneal lesions displace echoes

Answer 13

ventrally and cranially

Question 14

hepatic and subhepatic lesions produce what displacement

Answer 14

inferior and posterior

Question 15

divides the subphrenic space into right and left components

Answer 15

falciform ligament

Question 16

Left coronary ligaments anatomically separate

the subphrenic space into

Answer 16

anterior and posterior compartments

Question 17

Connects the gastric greater curvature to the

superior splenic hilum

Answer 17

gastrosplenic ligament

Question 18

Separates the lesser sac from the

renosplenic recess

Answer 18

splenorenal ligament

Question 19

Rectus muscles are seen as a biconvex muscle

group delineated by the

Answer 19

linea alba and linea semilunaris

Question 20

Extrahepatic loculated collections of bile. May develop because of trauma, GB disease, or biliary surgery

Answer 20

biloma abscess

Question 21

Malignant solid tumors are more likely found

Answer 21

near the root of the mesentery

Question 22

Benign solid tumors are more often found

Answer 22

in the periphery near the bowel

Question 23

Cystic mass is found between the umbilicus and the
bladder. Incomplete regression of the urachus during
development

Answer 23

Urachal cyst

Question 24

Encapsulated collection of urine, located outside kidney or bladder. Results from renal transplant, closed renal injury or surgical intervention, posterial urethral valves(PUV) obstruction.

May accumulate after a renal transplant due to an
anastomotic leak around the ureter

Answer 24

Urinoma

Question 25

Most common sites of peritoneal metastases…

Answer 25

ovaries, stomach, colon

Question 26

represents a mass infiltrating the mesenteric leaves and encasing the SMA.

Answer 26

“Sandwich sign”—-lymphoma

Question 27

most often occur in middle-aged men as the result of exposure to asbestos

Answer 27

peritoneal and omental mesotheliomas

Question 28

Collection of fluid that occurs after surgery in the

pelvis, retroperitoneum, or recess cavities. Surgeries include–renal transplant, GYN surgery, vascular surgery.

Answer 28

Lymphoceles

Question 29

2 longitudinal muscles that extend from the xiphoid process to the pubic bone.

Answer 29

rectus abdominus muscles

Question 30

these sheaths join to make the linea alba

Answer 30

rectus sheath

Question 31

hematomas superior to the arcuate line…

Answer 31

will not move across the midline

Question 32

hematomas inferior to the arcuate line…

Answer 32

will extend into the space of retzius/retropubic space

Question 33

Occur as the result of direct blunt trauma,
pregnancy, cardiovascular and degenerative muscle
diseases, surgical injury, anticoagulation therapy,
steroids, or extreme exercise. Lab values may show decreased hematocrit levels

Answer 33

Extraperitoneal hematoma

Question 34

most common area for an abdominal hernia

Answer 34

inguinal

Question 35

Protrusion of a peritoneal-lined sac through

a defect in the weakened abdominal wall

Answer 35

abdominal hernia

Question 36

➢ Demonstration of an abdominal wall defect
➢ Presence of bowel loops or mesenteric fat in a lesion
➢ Exaggeration of the lesion with strain (Valsalva
maneuver)
➢ Reducibility of the lesion by gentle pressure

sonographically indicate what?

Answer 36

hernia