Principles of radiographic interpretation

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What does a black area on a radiographic image indicate?

  • All x-rays have been absorbed by the patient
  • No x-rays have reached the receiver
  • All x-rays hit the receiver (Correct Answer) (correct)
  • The structure is highly radiopaque

What does a black area on a radiographic image indicate?

  • All x-rays have been absorbed by the patient (correct)
  • No x-rays have reached the receiver
  • All x-rays hit the receiver (Correct Answer)
  • The structure is highly radiopaque

What do various shades of grey area on a radiographic image indicate?

  • No x-rays have reached the receiver
  • All x-rays have been absorbed by the patient
  • Some x-rays hit the receiver, some absorbed by the patient (correct)
  • All x-rays hit the receive

Which of the following best describes a radiopaque structure?

<p>It cannot be penetrated by x-rays due to a high atomic number (D)</p> Signup and view all the answers

Which of the following describes a radiolucent structure?

<p>It appears dark on a radiograph due to substances of low atomic number that allow x-rays to penetrate (B)</p> Signup and view all the answers

Which substance is considered the most radiolucent on a radiograph?

<p>Air (C)</p> Signup and view all the answers

What is the cause of Magnification?

<p>The distance between the object and image plate increases, causing the image to appear larger than it’s actual size</p> Signup and view all the answers

What is the recommended way to minimize magnification in a radiograph?

<p>Place the area of interest as close to the plate as possible (C)</p> Signup and view all the answers

What causes distortion in a radiographic image?

<p>The body part is not parallel to the imaging plate (B)</p> Signup and view all the answers

What can superimposition in a radiograph lead to?

<p>Misinterpretation of overlapping structures as a separate one (C)</p> Signup and view all the answers

Describe summation

<p>It’s the overlapping of structures. The resulting opacity does NOT represent a separate structure.</p> Signup and view all the answers

What does the silhouette sign indicate on a radiograph?

<p>Borders of similar opacity structures become indistinct (C)</p> Signup and view all the answers

What are Roentgen signs and their importance?

<p>Roentgen signs are used to describe the radiographic features of cancer (but also abnormalities). The Reoentgen signs are: shape, size, location, numbers, expected opacity and expected margin action/borders</p> Signup and view all the answers

DAMNITV is the acronym used for differential diagnoses. List the acronym

<p>Degenerative, anomalous, metabolic, neoplastic, infectious/inflammatory/immune, trauma and vascular</p> Signup and view all the answers

Describe the anomaly depicted in this radiograph

<p>Magnification</p> Signup and view all the answers

Describe the anomaly in this radiograph

<p>Border effacement/silhouette sign</p> Signup and view all the answers

Describe the anomaly you are seeing in this image

<p>Superimposition of structures</p> Signup and view all the answers

Name this view

<p>Mediolateral or lateral view</p> Signup and view all the answers

Name this view

<p>Craniocaudal view</p> Signup and view all the answers

What is the structure labeled A, and what is the name of this view?

<p>L humeral head, medial lateral view</p> Signup and view all the answers

Identify the structure labeled B, and what is the name of the view?

<p>Aconeal process, flexed medial lateral view of elbow</p> Signup and view all the answers

Identify the structure labeled A

<p>Aorta</p> Signup and view all the answers

Identify the structure labeled B

<p>Pulmonary artery</p> Signup and view all the answers

Identify the structure labeled C

<p>Pulmonary vein</p> Signup and view all the answers

Identify the structure labeled D

<p>Caudal vena Cava</p> Signup and view all the answers

Identify the structure labeled E

<p>Diaphragm</p> Signup and view all the answers

Flashcards

Black area on radiograph

All x-rays hit the receiver.

Radiopaque structure

It cannot be penetrated by x-rays due to a high atomic number.

Radiolucent structure

Appears dark on a radiograph; substances of low atomic number allow x-rays to penetrate.

Most radiolucent substance

Air.

Signup and view all the flashcards

Cause of magnification

The distance between the object and image plate increases.

Signup and view all the flashcards

Minimize magnification

Place the area of interest as close to the plate as possible.

Signup and view all the flashcards

Cause of distortion

The body part is not parallel to the imaging plate.

Signup and view all the flashcards

Superimposition leads to

Misinterpretation of overlapping structures as a separate one.

Signup and view all the flashcards

Summation

Overlapping of structures. The resulting opacity does NOT represent a separate structure.

Signup and view all the flashcards

Silhouette sign

Borders of similar opacity structures become indistinct.

Signup and view all the flashcards

Roentgen signs

Features used to describe abnormalities. The Roentgen signs are: shape, size, location, numbers, expected opacity and expected margin action/borders

Signup and view all the flashcards

DAMNITV

Degenerative, anomalous, metabolic, neoplastic, infectious/inflammatory/immune, trauma, and vascular.

Signup and view all the flashcards

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser