Anatomy
Joints of the lower limb
Pathologies
CR degree of angulation
How do I know if the image is good?
100

Which metatarsal contains a tuberosity that is frequently fractured?

What is the 5th?

100

What is the name of the joint located between the phalanges of the first digit?

What is the IP joint?

100

This pathology results in a well-circumscribed lucency within the bones.

What is a bone cyst?

100

You are imaging toes. What is the CR angle if you do not elevate the forefoot?

What is 10 to 15 degrees toward the calcaneus?

100

To properly visualize the joint spaces with the AP projection of the foot, the CR must be _____________.

What is perpendicular to the metatarsals?

200

The top, or anterior portion, of the foot is also known as the _______.

What is the dorsum?

200

The distal tibiofibular joint is classified as a ________ joint.

What is fibrous?

200
A patient comes to radiology for x-rays of the knee to look for Osgood-Schlatter disease. What are the two best knee images to determine if the patient has this disease?

What are AP and Lateral Knee?

200

How much do you angle the CR to the long axis of the foot for the plantodorsal (axial) projection of the calcaneus?

What is 40 degrees?

200

An oblique foot with medial rotation shows the superimposition of the 3rd through 5th metatarsals. Would you do nothing, repeat but decrease obliquity of the foot, or repeat but increase obliquity of the foot? 

What is repeat, but decrease obliquity of the foot?

300

Name the routine for a 2nd toe radiographic study.

What are AP, AP oblique with medial rotation, and lateromedial projection?

300

What surfaces of the ankle joint are open for an AP ankle image?

What are the medial and superior?

300

You were told to set up the room for AP stress views of the ankle. What will theses views show?

What are possible joint separations or ligament tears?

300

You are imaging an AP knee. The patient's ASIS to tabletop is 18 cm. How much and in what direction do you angle the x-ray tube?

What is 5 degrees caudad?

300

You review an image of the AP ankle and notice that the lateral joint space is not open and the lateral malleolus is partially superimposed by the talus. What do you do? Nothing, rotate the ankle more laterally, or rotate the ankle more medially.

What is nothing?

400

The sustentaculum tali is on what bone of the lower limb?

What is the calcaneus?

400

The patellofemoral joint is a __________ joint with a __________ type of movement.

What are synovial and saddle?

400

A patient comes to radiology with a history of chondromalacia of the patella and possible loose bodies within the patellofemoral joint space. What is the best knee image to perform?

What is Merchant Method?

400

You are imaging a patient for a mediolateral projection of the knee on a patient with a short, wide pelvis. What is the central ray degree of angulation and direction?

What is 7 to 10 degrees cephalad?

400

You are taking a look at a knee image and notice that the neck of the fibula is not superimposed over the tibia. Is this image an AP, an AP oblique with medial rotation, an AP oblique with lateral rotation, or a lateral view?

What is an AP oblique with medial rotation?

500

What is another term for the intercondylar sulcus?

What is the patellar surface?

500

The ankle joint is considered a ____________ joint with a ____________ type of movement.

What are synovial and saddle?

500

What is a highly malignant destructive lesion of the long bones that produces a sunburst pattern?

What is an osteogenic sarcoma?

500

What is the direction and degrees of CR angulation for a PA axial weight-bearing biltareal knee projection (Rosenberg method)?

What is 10 degrees caudad?

500

You are going to perform a mediolateral knee image. You bend the knee into 45 degrees of flexion. What will happen to the patella if you continue with this degree of flexion?

What is the patella will be drawn into the intercondylar sulcus?