3.5.1 Conventional Radiology Flashcards
What are the arrows pointing at? What’s the dx?
Air; Pneumoperitoneum secondary to bowel perforation
Identify these yellow lines
Liver, spleen, kidneys, psoas muscles
What is the nickname of the frontal abdominal radiograph?
KUB - Kidneys, Ureters, and Bladder
What is this?
Normal gas pattern
Name the parts of the small bowel
L: Ileum
R: Jejunum
What is this?
Normal abdominal radiograph
What type of image?
Upright
What is this gas pattern?
Normal
What are the 5 basic film densities?
Air, Fat, Water, Bone, Metal
Which is which?
L: ERCP
R: MRCP
What does the upright view allow for?
Vizualization of free gas and of the lung bases
What’s the dx?
Small bowel malrotation
What type of contrast study?
Esophagram
When would a gastroenterologist use MRCP rather than ERCP?
When no intervention is planned. MRCP is the superior was to evaluate the biliary tree and pancreatic duct
Why - no sedation, no ionizing radiation, no complications
What is the gas pattern on right?
Small bowel gas leak in supine view.
Notice thin lines: the linchae cicularis
What is this gas pattern on the right?
R: Free intraperitoneal gas, pneumoperitoneum
Answer the question? What’s the dx?
Bone; Renal calculus
What type of KUB?
Supine
Name these features of the colon shown on via barium enema
Vizualization of lung bases is associated with what type of KUB?
Upright
What is this?
Normal gas patterns
Left: Upright
Right: Supine
Identify the structures
Where is intraluminal gas most commonly found?
Stomach, most segments of the colon
What is the most common question we answer by ordering a KUB?
Is there a bowel obstruction?
(by looking at boel gas pattern)
Identify these features of the stomach
What type of imaging is used to aquire this image?
ERCP
What are some of the common contrast studies?
Esophogram, Upper GI Series, Upper GI Series with small bowel follow-through, Barium enema
What is ERCP?
Endoscopic retrograde cholangiopancreatography - gastroenterologist runs a fiber optic scope down the throat and into the 2nd portion of the duodenum. Then cannulates the duodenal papilla and injects the contrast material
What are these features of the duodenum?
