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ABDOMEN / Small bowel   27 / M,  Hematochezia
2021-11-16
About Author
Authors Sunyoung Lee
Institution Severance Hospital, Yonsei University College of Medicine
E-mail carnival0126@gmail.com
About Case
Chief complaint
or Title
Hematochezia
Subspecialty ABDOMEN / Small bowel
Classification Normal & Variation / normal variation
Age 27 Sex M
Difficulty For resident, For specialist
Modality CT
Case Figures
Click above Figure for more images.
Questions
What is the structure that cause bleeding?
Answer
Diagnosis Meckel's diverticulum
Comments

Meckel’s diverticulum





Most common congenital anomaly of the GI
tract


True diverticulum (all the layers of the
intestinal wall)


Persistence of vitellointestinal duct


Rules of 2


2% of
the population, 2 inches in length, locates within 2 feet of IC valve, usually
present before age of 2


Usually asymptomatic, 4-6 % risk of
life-long complication


Complication


Bleeding,
intussusception, obstruction, diverticulitis





   Imaging findings



CT : Tubular blind-ending structure arising from the antimesenteric border of terminal ileum


           Often mistaken as normal bowel,
without complication



Scintigraphy : Can be useful if the
diverticulum contains an
ectopic gastric mucosa


99m Tc-pertechnetate is taken by mucin-secreting cells in the
gastric mucosa


Sensitivity
: 90% among pediatric population /
60% among adults



References
Keywords Meckel’s diverticulum; Bleeding
Attachment File -

Number of Applicants : 37
Correct Answer 23
의정부성모병원 이수림
Mayo Clinic Akitosih Inoue
Mayo Clinic Hiroaki Takahashi
Biotypos - Athens, Greece Ioannis E. Papachristos
CBH KJH
Fukuoka University Keisuke Sato
Osaka Red Cross Hospital Yusuke Utsunomiya
서울아산병원 김경원
NCC 김수진
중앙보훈병원 김주희
양산부산대학교병원 김지환
중앙보훈병원 노지훈
고대구로병원 박빛나
서울아산병원 박영태
- 변성환
서울아산병원 신용문
중앙보훈병원 신윤경
고대구로병원 이석영
고대구로병원 이윤철
로컬 이진영
화순전남대학교병원 장인수
서울대병원 주이진
산본원광대병원 하모인
Semi-Correct Answer 1
삼성서울병원 김수호
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