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GI Radiology > Duodenum > Flashcards

Duodenum Flashcards

1
Q

Thickened Folds

A

Benign
Peptic disease
Zollinger-Ellison syndrome
Brunner gland hyperplasia
Pancreatitis
Crohn disease
Adult celiac disease
Whipple disease
Hematoma
Cystic fibrosis

Malignant
Lymphoma

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2
Q

Filling Defects

A

Benign tumors
Polyp
Gastrointestinal stromal tumor
Lipoma
Villous adenoma

Malignant tumors
Adenocarcinoma
Lymphoma
Malignant gastrointestinal
stromal tumor
Metastases
Ampullary carcinoma

Nonneoplastic

Antral mucosal prolapse
Pseudotumor
Hamartoma
Intraluminal duodenal
diverticulum
Brunner gland hyperplasia
Enteric duplication cyst
Ectopic gastric mucosa
Annular pancreas

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3
Q

Narrowing

A

Benign
Peptic ulcer disease
Pancreatitis
Crohn disease
Hematoma
Superior mesenteric artery
syndrome
Annular pancreas

Malignant
Adenocarcinoma
Lymphoma
Malignant gastrointestinal
stromal tumor
Metastases

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4
Q
A
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5
Q

Luminal outpoutchings

A

Ulcer

  • Ulcer with contained perforation
  • Malignant ulcer (rarely primary)

Diverticulum

  • Pseudodiverticulum: ulcer scarring
  • Choledochoduodenal or cholecystoduodenal fistula
  • True diverticulum medial, 2nd part of duodenum.
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6
Q

Arterial supply duodenum

A

Celiac–Common hepatic–Gastroduodenal–pancreaticoduodenal

SMA–pancreaticoduodenal

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GI Radiology (4 decks)

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