Skeletal System III Flashcards
This is an example of what?

Knee effusion=best seen on a lateral view superior to the patella and anterior to the femur

Widening of the symphysis pubis > 1 cm is abnormal. This is called?
Diastasis of the SP.
For pelvic trauma, although –___ view is usually sufficient,CT Scan is a second line study.
AP
Pelvic hematomas and possible urethral and bladder injuries are commonly caused by ?
Pelvic fractures
Jo Gibtry, a female patient comes in complaining of knee pain with motion, limited ROM, redness, swelling and a visible deformity on her knee. What is a probable diagnosis?
OSTEOarthritis
In a patient with Osteoarthritis, what can happen to the cartilage?
-Cartilage may become calcified and break off resulting in loose bodies in the joint
What is going on in the picture below?

Widened Symphysis Pubis
What disease is characterized by benign lesions of the pelvis, accompanied by
increased sclerosis?
Pagets Disease

This is an example of what?

Chondrocalcinosis
What are some examples of knee fractures?
-Knee fractures include patella fractures,
fractures of the tibia,
fibula, and femur
There is a normal variant that may appear to be a fracture in the knee. What is it?
Bipartite patella
Tibial plateau fractures can be difficult to see–what view is BEST to see them?
AP view
What is the name of a common malignant tumor found in childrens pelvis? What about an adults pelvis?
■Child – Ewing’s sarcoma
■Adult – chondrosarcomas
Something is jacked up in this photo. What is it?

Patellar Fracture
Identify the fracture in the picture.

Tibial plateau fracture
Label the parts of the pelvis.

Good job!
What is the most common hip dislocation?
Posterior dislocation
In a posterior hip dislocation the hip is displaced, _______ and ______on film.
A. superiorly; medially
B. superiorly; laterally
C. infeiorly; laterally
B. Superiorly and Laterally - Posterior location
(remember: Anterior = inferior and medial = AIM. posterior is the opposite)

What type of fracture is this?

Supracondylar fracture of femur
What is jacked up in this photo?

the knee is dislocated
Dislocated patella is almost always on what side?
to the lateral side.
What view is best to view a dislocated patella?
Sunrise view is best.
Giant cell tumor is a ______ tumor that commonly occurs in the knee, often in the _____ tibia.

- benign tumor
- Proximal tibia
When taking a plain film of the Tibia and Fibula–what views should be taken and what needs to be included (anatomically)?
- AP view and a lateral view
- Films should include the entire length from the tibial plateau to the ankle
In an anterior hip dislocation the hip is displaced, _______ and ______on film.
A. inferiorly; medially
B. superiorly; laterally
C. infeiorly; laterally
A. Inferiorly; medially
(remember : A.I.M)

What type of fractures are common in the tibia?
a. Comminuted
b. Open
c. spiral
d. greenstick
C. Spiral fractures are common to the tibia – often has an associated fibula fracture
What are the two most common hip fractures?
- Fx’s of the intertrochanteric region (45%)
- Fx’s of the femoral neck (45%)
What common hip fracture requires total hip replacement if displaced?
Fx’s of the femoral neck
What common hip fracture can be repaired with compression screws preserving the natural hip joint?
Fx’s of the intertrochanteric region
This is a photo of normal anatomy. What is the thicker bone? Thinner bone?

Thick bone: tibia
Thin bone: fibula

Plain films of the ankle should include which views?
AP view,
lateral view and
an oblique view
How does an ankle effusion appear on a plain film?
appears as an anterior fat line in front of the joint space on the lateral view
Christina comes into your clinic with hip pain, and is unable to internally rotate her hip. Her xrays reveal osteophytes, and joint space narrowing. What is going on with Christina?
Osteoarthirits
What is the most common cause of chronic hip pain?
Osteoarthritis
A crescent sign may be seen in….
a. Avascular Necrosis of the Hip
b. Osteoarthiritis
c. Hip dislocation
A. avascular necrosis of the hip

What is the best test to perform for avascular necrosis of the hip?
MRI- you will see a flattened, irregular, necrotic head.
What are three types of benign femoral tumors?
- Fibrous cortical defects
- Fibrous dysplasia
- Nonossifying fibroma
How does an ankle effusion appear on a plain film?
as an anterior fat line, in front of the joint space on the lateral view
Most common ankle fractures involve what section of the tibia?
lateral or medial malleolus
What is this image?

Ankle effusion
What is significant about this image?

□Bimalleolar fracture
What is this image indicative of?
What part of the body does this usually occur?
What could cause this?

□Growth arrest lines
□Occur in the distal tibia
□Due to a period of arrested growth – perhaps sickness–malnutrition??
T/F: Bone islands are a benign finding in the ankle.
True
When taking plain films of the foot what views should be taken?
Plain films include an AP view,
lateral view and
oblique view
What view is needed on a plain film when a calcaneal fracture is suspected?
Calcaneal view
What is the most common cause of a calcaneal fracture?
□Usually caused by jumping off of something onto a hard surface.
What are the names of two malignant tumors of the femur?
- Chondrosarcoma
- metastases
The picture below can be caused by ….

A. Non-ossifying fibroma that caused pathologic fracture in the femur
B. The herp derps
C. Humeral hairline fracture
a. A. Non-ossifying fibroma that caused pathologic fracture in the femur
The picture below is indicative of
…
a. Avascular necrosis
b. Giant cell tumor
c. arthiritis of the elbow

B. Giant cell tumor!

What is the best study for ligaments, cartilage and tendons?
MRI
What kind of view was used in this image?

Oblique
A Talar fracture always involves the _____of the ____; and can result in AVN.
- Neck
- Talus
What is this image?

Talar Fx
What is significant about this image?

Calcaneal Fx
What is significant about this image? What is the diagnosis?

Calcaneal spur (heel spur).
Plantar fasciitis
What is the specific name for this fracture?

□Jones fracture – base of 5th metatarsal
What is a Jones fracture?
a fx of the base of the 5th metatarsal
Know these!!!

Good job!!!! :)
What is the best view for joint space narrowing or calcification of the cartilage?
AP view
What is the best view for patella and joint effusions?
Lateral view with partial flexion –
What is the best view to analyze the relationship of patella to the anterior femur?
Sunrise view –

What is the best view to observe the tibial spines and femoral condyles?
Tunnel view

Label the parts below

What is this Fx?

March Fx–stress fracture of 2nd, 3rd, or 4th MT
What is this image showing? What type of Fx?

Lisfranc fracture
– fx of 2nd, 3rd, 4th and 5th MT with lateral dislocation
What is a Lisfranc fracture?
– fx of 2nd, 3rd, 4th and 5th MT with lateral dislocation
What is a March Fx?
a stress fracture of 2nd, 3rd, or 4th MT
Jo Gibtry is a runner, athletes and dancer!! Yay!! Go Jo!! What type of Fx is she most susceptile to?
March Fx
T/F: Osteomyelitis dissolves the bone
True

T/F. Injuries to the ligaments, meniscus and tendons are usually NOT seen on plain films
TRUE
What is this nasty ass foot?

□Bunions – Hallux Valgus