Flashcards in GI Deck (113)
What genetic defect is duodenal atresia associated with?
What exposure is associated to hypertrophic pyloric stenosis?
What is derived from ventral pancreatic bud?
Main pancreatic duct
What is derived from dorsal pancreatic bud?
Accessory pancreatic duct
What is it called when the vetnral and dorsal buds of the pancreas fail to fuse?
- Liver --> anterior abdominal wall
- Ligamentum teres hepatis (derivative of fetal umbilical vein)
- Liver --> duodenum
- Portal triad: proper hepatic a, portal v, common bile duct
Compress hepatoduodenal ligament during surgery to control bleeding
- Liver --> lesser curvature of the stomach
- Gastric a
- May be cut during surgery to access lesser sac
- Greater curvature and transverse colon
- Gastroepiploic arteries
- Part of GO
Greater curvature and spleen
- Short gastrics, L gastroepiploic
- Part of GO
Spleen --> posterior abdominal wall
- Splenic artery and vein, tail of pancreas
Where are Brunner glands found and what do they secrete?
Where are Peyer Patches found?
Where does celiac trunk come off aorta?
Where does SMA come off aorta?
Where does IMA come off aorta?
Where does aorta bifurcate into left and right common iliac?
- Intermittent intestinal obstruciton sx (postprandial pain) when 3rd portion of duodenum (transverse) is compressed between SMA and aorta
- Diminished fat (low body weight, malnutrition)
Above pectinate line - A, V, L, N
A: IMA (superior rectal artery)
V: IMV (superior rectal vein)
L: internal iliac lymph nodes
- Internal hemorrhoids not painful
Below pectinate line - A, V, L, N
A: inferior rectal artery (from internal pudendal)
V: inferior rectal v --> internal pudendal v --> internal iliac --> common iliac --> IVC
L: superficial inguinal nodes
N: inferior rectal branch of pudendal (somatic)
- External hemorrhoids (painful if thrombosed), anal fissures, SCC
Femoral Sheath Contents
- Femoral vein, artery, and canal (deep inguinal LN) but NOT femoral nerve
- Lateral to medial: nerve, artery, vein, lymphatics
What structures do indirect inguinal hernias go through?
- Male infants
Internal (deep) inguinal ring, external (superficial) inguinal ring, into scorum
- Covered by all three layers of spermatic fascia
Indirect inguinal hernia relationship to inferior epigastric vessels?
- LATERAL to inferior epigastric vessels
What is the cause of indirect inguinal hernia?
Failure of processus vaginalis to close (can form hydrocele)
What structures do direct inguinal hernias go through?
- Old men
Inguinal (Hesselbach) triangle directly through abdominal wall
- Goes through external (superficial) inguinal ring only
- Covered by external spermatic fascia
Direct inguinal hernia relationship to inferior epigastric vessels?
MEDIAL to inferior epigastric vessels
What structures do femoral hernias go through?
- Femoral canal --> protrudes below inguinal ligament
Femoral hernia relationship to pubic tubercle?
BELOW and LATERl to pubic tubercle