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Training Collections
Library Memberships
On-demand course library with video lectures, expert case reviews, and more
Fellowship Certificate™ Programs
Practice-focused training programs designed to help you gain experience in a specific subspecialty area.
Ultimate Learning Pass
Unlock access to our full Course Library and all self-paced Fellowships.
Noon Conference (Free)
Get access to free live lectures, every week, from top radiologists.
Case of the Week (Free)
Get a free weekly case delivered right to your inbox.
Dr. Resnick's MSK Conference
Learn directly from the MSK Master himself.
Lower Extremities MRI Conference
Musculoskeletal Imaging
Emergency Imaging
PET Imaging
Pediatric Imaging
For Training Programs
Supplement your training program with case-based learning for residents, registrars, fellows, and more.
For Private Practices
Upskill in high growth, advanced imaging areas.
Emergency Call Prep
Prepare trainees to be on call for the emergency department with this specialized training series.
Lesson
Cartilage Injuries & Abnormalities Pre-Course Activities
2 topics, 5 min.
Lesson
Cartilage Injuries & Abnormalities
38 topics, 2 hr. 9 min.
Introduction to Pediatric Imaging
2 m.Hyaline Cartilage Anatomy
3 m.The Physis & Calcification Centers
3 m.Epiphyseal Cartilage
4 m.Fibrocartilage & Hyaline Cartilage
6 m.MR Appearance of Cartilage In Different Age Groups
5 m.FOPE
4 m.Lymphoma of the Bone
12 m.Blount Disease
4 m.Gymnast’s Wrist
5 m.Pre-ossification Centers
3 m.Elbow Effusion
2 m.OCD In the Elbow
3 m.Trochlear OCD on MRI
2 m.Trochlear OCD on Arthrogram
2 m.Ultrasound Guided Arthrogram Injection
3 m.OCD In the Capitellum, Loose Body
3 m.Avascular Necrosis in the Elbow
3 m.The Fish Tail Deformity
4 m.OCD In the Knee, LAME
4 m.Legg-Calvé-Perthes disease on X-Ray
3 m.Legg-Calvé-Perthes disease on MRI
5 m.Juvenile Idiopathic Arthritis
4 m.Abscess
4 m.Infection in the Physis
3 m.Tug Lesion
7 m.Salter-Harris Classification System
5 m.Salter-Harris Fracture on X-Ray
3 m.Salter-Harris 2 in the Shoulder
3 m.Salter-Harris 3 in the Knee
3 m.Salter-Harris 3 on CT Imaging
3 m.Indications for MRI in a Pediatric Shoulder
4 m.Performing Arthrograms in the Shoulder
3 m.Ultrasound Guidance in Shoulder Arthrogram
3 m.Salter-Harris 5 on MRI
3 m.Physeal Injury, Cartilage Deformity
5 m.Chondroblastoma in the Knee
5 m.Chondroblastoma in the Ankle
5 m.Lesson
Bone and Ligament Injury
9 topics, 41 min.
Lesson
Anatomical Variations
3 topics, 13 min.
Lesson
Inflammation and Infection
3 topics, 12 min.
Lesson
Bone and Marrow Abnormalities
13 topics, 39 min.
Anorexia Nervosa
3 m.Chondroblastoma
4 m.Chondroblastoma in the Shoulder
4 m.Complex Regional Pain Syndrome
4 m.Lipoblastoma
4 m.Leukemia
4 m.Leukemia, Assessing for Asymmetry
4 m.Myositis Ossificans
3 m.Normal Patchy Bone Marrow
4 m.Osteoblastoma
4 m.Adamantinoma verus Osteofibrous Dysplasia
2 m.Osteoid Osteoma in the Foot
3 m.Osteoid Osteoma in the Finger
3 m.Lesson
Salter-Harris Injuries
5 topics, 11 min.
0:01
Now let's move on to Salter-Harris
0:03
type 2 injury, also involving the ankle.
0:06
This time we're looking at the injury to
0:09
the tibia versus Salter-Harris type 1 injury we
0:12
saw before that involved the distal fibula.
0:15
Take a look at the plain radiograph first.
0:17
I'm going to blow this up
0:18
to make it a little bigger.
0:19
Again, adjacent physes are your friend.
0:23
This time it is the physis of the distal
0:25
tibia which is wider, more irregular
0:28
than the physis of the distal fibula.
0:31
What else do you notice?
0:32
You notice that there's a little
0:34
bit of periosteal reaction extending
0:37
up the metaphysis on the lateral side.
0:39
What does that mean?
0:40
That means that the injury involves
0:42
not only your physis, but also your
0:46
metaphysis, even if you don't see it.
0:48
Okay, so that virtually guarantees you're
0:51
looking at a Salter-Harris type II injury.
0:54
And what does that look like on plain film?
0:56
I'm sorry, on MRI?
0:57
Here's the MRI on your right.
0:59
This is a fat-suppressed,
1:00
fluid-sensitive sequence.
1:02
And look what you see here.
1:03
Indeed, look at the physis
1:04
here of the distal fibula.
1:07
Look at the irregular enlarged
1:09
physis of your distal tibia.
1:12
And here is the injury extending into the
1:15
metaphysis and causing subperiosteal fluid
1:18
formation and elevation of that periosteum.
1:22
So this is what you're looking at on
1:24
your plain radiograph, equivalent to
1:27
a Salter-Harris type II injury.
Salter-Harris II Injury
HIDEInteractive Transcript
0:01
Now let's move on to Salter-Harris
0:03
type 2 injury, also involving the ankle.
0:06
This time we're looking at the injury to
0:09
the tibia versus Salter-Harris type 1 injury we
0:12
saw before that involved the distal fibula.
0:15
Take a look at the plain radiograph first.
0:17
I'm going to blow this up
0:18
to make it a little bigger.
0:19
Again, adjacent physes are your friend.
0:23
This time it is the physis of the distal
0:25
tibia which is wider, more irregular
0:28
than the physis of the distal fibula.
0:31
What else do you notice?
0:32
You notice that there's a little
0:34
bit of periosteal reaction extending
0:37
up the metaphysis on the lateral side.
0:39
What does that mean?
0:40
That means that the injury involves
0:42
not only your physis, but also your
0:46
metaphysis, even if you don't see it.
0:48
Okay, so that virtually guarantees you're
0:51
looking at a Salter-Harris type II injury.
0:54
And what does that look like on plain film?
0:56
I'm sorry, on MRI?
0:57
Here's the MRI on your right.
0:59
This is a fat-suppressed,
1:00
fluid-sensitive sequence.
1:02
And look what you see here.
1:03
Indeed, look at the physis
1:04
here of the distal fibula.
1:07
Look at the irregular enlarged
1:09
physis of your distal tibia.
1:12
And here is the injury extending into the
1:15
metaphysis and causing subperiosteal fluid
1:18
formation and elevation of that periosteum.
1:22
So this is what you're looking at on
1:24
your plain radiograph, equivalent to
1:27
a Salter-Harris type II injury.
Report
Faculty
Mahesh Thapa, MD, MEd, FAAP
Division Chief of Musculoskeletal Imaging, and Director of Diagnostic Imaging Professor
Seattle Children's & University of Washington
Tags
X-Ray (Plain Films)
Trauma
Pediatrics
Musculoskeletal (MSK)
MRI
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