Anterior Abdominal Wall and Inguinal Region - Thomas

Question 1

Linea terminalis

Answer 1

Pelvic inlet: separates true pelvis from false pelvis
Superior - abdomen or false pelvis
Inferior - pelvis or true pelvis
Formed from pectin pubis, arcuate line and sacral promontory

Question 2

What are the 3 soft tissue landmarks on abdominal walls?

Answer 2

Linea semilunaris - lateral border of rectus
Linea alba - midline
Umbilicus

Question 3

Transtubercular plane corresponds to which lumbar vertebrae

Answer 3

L5
Subcostal - 10th costal, superior border L3
Transumbilical - L3-4 (similar to supracristal plane)

Question 4

Transpyloric horizontal plane

Answer 4

T12-L1
Halfway between jugular notch and pubic symphysis
Goes through the pyloric part of the stomach which is fixed

Question 5

2 vertical abdominal planes

Answer 5

Midclavicular - midpoint of clavicle, midinguinal point

Midsagittal (medial) - linea alba, passes through umbilicus

Question 6

Main contents of RUQ

Answer 6

Gallbladder
Duodenum
Right pleura
Liver (R lobe)
R kidney

Question 7

Main contents LUQ

Answer 7

Spleen
Stomach
Left pleura
Tail of pancreas
L kidney

Question 8

Main contents of RLQ

Answer 8

R ureter
Cecum
Ilial diverticulum
Veriform appendix

Question 9

Main contents of LLQ

Answer 9

L ureter

Descending and sigmoid colon

Question 10

McBurney’s point

Answer 10

Between ASIS and umbilicus

1/3 of way, closest to ASIS