Pediatric GI Flashcards Preview

Abdomen > Pediatric GI > Flashcards

Flashcards in Pediatric GI Deck (22)
Loading flashcards...
0

Meckel's Diverticulum

Pouch on the wall of lower intestine present at birth. (Congenital). Pouch may have stomach or panc tissue. Non compressible. Blood in stool.

1

Gastric Leiomyoma

MC benign gastric tumor

2

Mucocele

Dilated appendix filled with mucous.

3

Crohn's disease

Regional enteritis. Peristalsis absent or sluggish.

4

Digestive tract / Alimentary tract

Mouth, pharynx, esophagus, stomach, small intestine, large intestine.

5

Accessory glands

Salivary glands, liver, pancreas

Secrete digestive juice into digestive system

6

GI hormones

Gastrin (via stomach)

Cholecystokinin (via fat in intestines, contracts GB)

Secretin: (via sm bowel to release bicarbonate to dec acid)

7

Keyboard sign

Small bowel

8

Gut signature

5 gut layers. Max diam 3 mm when distended, 5 mm when not.

9

Duplication cyst

Walled off gut during embryologic development.

10

Gastric Bezoar

Masses of congealed ingested foreign materials such as hair, veggie matter, inorganic matter. (Sand)

11

Gastric Cancer

Not dx by US, older males, 1/2 in pylorus

Target, pseudokidney sign

Adenocarcinoma MC

12

Appendicitis

Younger
Assoc with obstruction of appendicial lumen leading to inflammation

MC cause of childhood ab pain. 4-15 yrs. >200,000 cases/yr in US.

Fever, periumbilical pain, inc wbc, nausea, vomit due to pain, point tenderness RLQ

Noncompressible, inc color flow "ring of fire", "thyroid in the belly sign", hypo thick wall, periappendicieal fluid collection, appendicolith. Diam > 6mm, wall thick > 2mm

Tx: laparoscopy (small incision) or laparotomy (large)

Mc Burney's sign. Pain when pressure release RLQ

Normal appendix sausage shape diam < 6mm and no Doppler flow.

Bacterial infection leads to gangrene and perforation

Appendix > 6mm or an appendicolith is highly suggestive of appendicitis

13

Mc Burney's Point

1/3 from ASIS to umbilicus is location of appendix

14

Hypertrophic Pyloric Stenosis

Narrowing of the pylorus

Pylorus = channel between stomach and duodenum. It becomes thick due to contractility defect.

Projectile vomiting in neonates, palp olive shape mass

1st born males, white, maternal family hx, o & b blood.

Usually 2-6wks (17 mm, muscle thickness >3.5 mm, AP diam >10 mm

X-ray shows string sign.

Tx: pyloromyotomy, Ramsteadt

15

Intussusception

Telescoping of bowel

Prox loop (intussuceptum) into distal loop (intussuscipiens)

90% ileocolic, males

6mn-2yrs, colicky ab pain, abd distention, vomit, abd mass, rectal bleed

Dark red jelly stool

16

Diverticulitis

LLQ pain, fever, leukocytosis

Thickened bowel, abscess in LLQ highly suggests diverticulitis

17

Congenital duodenal obstruction

Double bubble sign
Fluid filled duodenum and stomach separated by pylorus

18

Mesenteric ischemia

Dec artery supply to intestinal system

19

Rugae

Folds within mucosal layer of stomach

20

Haustra

Folds within large intestine

21

Layers of GI tract

5 layers

Serosa
Muscularis
Subserosa
Intramural
Mucosa