Mehl. GI. Intussususception 01-02 (1)

Question 1

Intussusception. Definition? what gut?

Answer 1

telescoping of the bowel into itself

in jejunum or ileum of small bowel

Question 2

Intussusception. age?

Answer 2

almost always under 2 y/o

3 months-2 years

Question 3

Intussusception. differentiation with midgut volvulus. no Q cia

Answer 3

.

Question 4

Intussusception. Cause?

Answer 4

idiopathic, but can be triggered by viral infection or rotavirus vaccination, where mesenteric lymphadenopathy can act as a ,,leading point’’ for the telescoping.

Underlying Meckel diverticulum is also common lead point.

Question 5

Intussusception. in ultra rare situations can occur in elderly with colon cancer

Answer 5

.

Question 6

Intussusception. classic presentation?

Answer 6

Classic presentation is intermittent/colicky abdominal pain, where the kid will have episodes of drawing the legs to the chest or squatting, with blood in the stool +/-
bilious vomiting.

Question 7

Intussusception. Abdominal exam?

Answer 7

Intussusception can present with an abdominal mass, which can be described as “sausage-shape.” This will usually occur in the RLQ.

Question 8

Intussusception. What Dx? what is seen?

Answer 8

Intussusception shows a target sign or sausage-mass on ultrasound.

Question 9

Intussusception. when diagnosed with UG, what next step?

Answer 9

Enema is both diagnostic and therapeutic.

Usmle doesnt care what enema. most commonly use air-enema.

one 2CK had ,,air enema with UG”.