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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
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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
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