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A biopsy shows histologic absence of what structures in a patient with
Hirschsprung disease? - -ganglion cells
A term infant is 48 hours old and has not passed meconium. Is it
✅✅
necessary at this point to evaluate for Hirschsprung disease? -
-Yes
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At what age do infants with malrotation classically present? -
-Acute development of bilious emesis in the 1st month of life
Abdominal distension, diffuse tenderness and irritability
At what age does intussusception usually occur? - ✅✅-6 months-2
years
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Children with type 1 DM or selective IgA deficiency should be screened
for what disease? - -Celiac disease
How do children with abnormal zinc absorption present? - ✅✅-Bullous
and pustular dermatitis
alopecia, blepharitis, conjunctivitis, diarrhea and FTT
How do you diagnose UC? - ✅✅-Colonoscopy and upper endoscopy
with biopsies
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How does enterocolitis present in infants with Hirschsprung disease? -
-During 2nd to 4th week of life
fever with explosive, foul smelling bloody stools
dilated loops of bowel with air fluid levels on XR
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How does the classic GI form of celiac disease present in children < 2
years of age? - -malabsorptive diarrhea, poor weight gain,
abdominal distension and proximal muscle wasting
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If an omphalocele is present, should you suspect another congenital
anomaly or is it likely an isolated event? - -Suspect another
anomaly
, ✅✅
If the pain of appendicitis suddenly resolves, what has likely happened?
- -The appendix has perforated
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In which part of the GI tract does Crohn diseases most commonly occur?
- -Terminal ileum but can be from mouth to anus
Is surgical therapy curative for Crohn disease? - ✅✅-No
✅✅
Is there an increased risk of cancer in patients with Peutz-Jeghers
Syndrome? - -Yes
✅✅
True or false? Congenital anorectal disorders are usually isolated
findings? - -False
What are the 2 forms of inflammatory bowel disease? - ✅✅-Ulcerative
colitis and Crohn disease
What are the 3 most common causes of rectal prolapse? - ✅✅-1.
Constipation
2. Infectious diarrhea
3. CF
✅✅
What are the differences between UC and Crohn disease regarding
bowel involvement? - -UC involves only the mucosa of the colon
Crohn disease is a transmural inflammation
✅✅
What are the differences between UC and Crohn disease regarding
granulomas? - -UC--> None
CD--> Yes
✅✅
What are the differences between UC and Crohn disease regarding
perianal disease? - -UC--> no lesions
CD--> Common to have lesions
✅✅
What are the differences between UC and Crohn disease regarding
tissue involvement? - -UC--> mucosal only