17 Questions
Which of the following is the most reliable indicator of a weightbearing radiographic view?
The position of the metatarsals relative to the heel
What is the primary indication for obtaining non-weightbearing radiographic views of the foot?
Trauma
Which radiographic view would best demonstrate the relationship between the metatarsals and the heel?
Lateral
In a skeletally mature individual, which radiographic view would best demonstrate the alignment of the tarsal and metatarsal bones?
Medial oblique
Which of the following radiographic landmarks would be most clearly visualized on a lateral foot view?
The calcaneal tuberosity
In an anteroposterior (AP) or oblique view of the foot, how can you determine if the image is of the right or left foot?
The direction of the toes indicates the side of the foot
What is the key difference between a skeletally immature and skeletally mature foot/ankle radiograph?
Skeletally immature bone has at least one open growth plate, while skeletally mature bone has no open growth plates
In a non-weightbearing position, which of the following foot/ankle radiographic views would you expect to see?
Anteroposterior (AP) view
In a medial oblique view of the foot, which of the following bones would be most prominently visualized?
Navicular
What is the key difference between a weightbearing and non-weightbearing foot/ankle radiograph?
Weightbearing images show a more flattened longitudinal arch, while non-weightbearing images show a more pronounced arch
In a lateral view of the foot, which of the following bones would be most prominently visualized?
Calcaneus
In the anteroposterior (AP) foot view, the metatarsal parabola is best described as:
The curved alignment of the metatarsal heads
Which of the following structures is NOT visualized on the medial oblique (MO) foot view?
Tibial sesamoid
On the lateral (LAT) foot view, which of the following is NOT a structure that can be evaluated?
Metatarsal parabola
In a weightbearing position, which of the following views would be most useful in evaluating for a potential coalition?
Calcaneal axial (CA) view
Which of the following statements is TRUE regarding the sesamoid axial (SA) view?
It evaluates the sesamoid articulations and position.
In a skeletally immature individual, which of the following views would be most useful in evaluating the tibiofibular overlap?
Anteroposterior (AP) mortise ankle view
Study Notes
WEIGHTBEARING VS NONWEIGHTBEARING
- Lateral image determines if it's weightbearing or non-weightbearing
- Weightbearing: heel and metatarsals are on the same plane
- Non-weightbearing: metatarsals are plantarflexed in relation to the heel
- Assume all images are weightbearing if not marked
- Assume all images are non-weightbearing if not marked
- Weightbearing often yields more information than non-weightbearing
- Non-weightbearing films are usually only indicated for trauma
INTRODUCTORY STATEMENT
- Start with "I am looking at (number) views of the (left/right foot/ankle) of a skeletally (mature/immature) individual in a (non-weightbearing/weightbearing) position"
- List all the image views seen
SKELETALLY IMMATURE VS MATURE
- Immature bone has at least one open growth plate
- Mature bone has no open growth plates
NORMAL ANATOMY AND LANDMARKS
Anteroposterior (AP) Foot View
- Forefoot to rearfoot relationship
- First ray
- Metatarsal parabola
- MTPJs
- Sesamoid position
- Navicular body
Medial Oblique (MO) Foot View
- Lateral column
- Cuboid
- Lateral pole of the navicular
- Fibular sesamoid
- TMTJs
Lateral (LAT) Foot View
- Ankle joint
- Subtalar joint
- Forefoot to rearfoot relationship
- First ray position
- Medial column
Lateral Oblique (LO) Foot View
- Medial column
- Navicular tuberosity
- Tibial sesamoid
Sesamoid Axial (SA) View
- Sesamoid articulations
- Sesamoid position
- Frontal plane rotation of the 1st metatarsal
Calcaneal Axial (CA) View
- Calcaneal position
- Subtalar joint
- Coalitions
Anteroposterior (AP) Ankle View
- Medial gutter
- Medial malleolus
- Tibiofibular overlap
Anteroposterior (AP) Mortise Ankle View
- Ankle joint
- Syndesmosis
- Lateral gutter
Lateral (LAT) Ankle View
- Ankle joint
- Subtalar joint
- CC joint
- TN joint
Test your knowledge on normal foot anatomy and landmarks based on different imaging views such as Anteroposterior (AP), Medial Oblique (MO), and Lateral (LAT). Identify structures like the metatarsal parabola, sesamoid position, cuboid, ankle joint, and more.
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