Inguinal canal and hernia Flashcards Preview

Health, Metabolism and Homeostasis > Inguinal canal and hernia > Flashcards

Flashcards in Inguinal canal and hernia Deck (14)
Loading flashcards...
1
Q

What 2 landmarks form the inguinal ligament? What is the middle called?

A

ASIS -> Pubic tubercle

Mid point of inguinal ligament

2
Q

What forms the mid-inguinal point?

A

ASIS -> Pubic symphysis

3
Q

How do you find the deep inguinal ring?

A

Between midpoint of inguinal ligament and mid-inguinal point (1cm above inguinal ligament)

4
Q

Where is the inguinal canal?

A

Between the deep and superficial inguinal rings

5
Q

Where is the superficial inguinal ring located?

A

Located supero-lateral to the pubic tubercle

6
Q

Which abdo wall layers do the deep and superficial inguinal ring sit on?

A

Deep - through transversalis fascia

Superficial - Ext oblique

7
Q

Which muscles form the roof of the inguinal canal?

A

Internal oblique and transversus abdominus

8
Q

What are the common positions of hernia formation through the ant abdo wall?

A

Umbilical hernia
Inguinal hernia
Femoral hernia

9
Q

What does a hernial sac most often contain?

A

Loops of bowel - sometimes hear bowel sounds.

May have torsion

10
Q

What is the diff between an indirect and direct hernia?

A

Indirect - pass through deep and superficial rings (into scrotum)
Direct - pass through superficial ring (weakness in conjoint tendon?)

11
Q

What is the Hessselbach’s triangle?

A

Indicates the region of bulging with a direct inguinal hernia
Only seen inside of abdo wall

12
Q

What nerves are at risk of damage during inguinal canal surgery?

A

Ilioinguinal and iliohypogastric nerves

13
Q

What is Petit’s triangle? name its borders

A

Inferior lumbar site for herniation - male 50-70rs

Borders: ext ob, iliac crest, latissmus dorsi

14
Q

What is Grynfeltt/lesshaft’s triangle? name its borders

A

Superior lumbar sit for herniation

Borders: rib 12, int ob, quadratus lumborum