29 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Case description ... • MRI: Posterolateral ... hallucis longus Differential ... torn ligament on MRI ... osteochondral lesion
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... Audiogram - Perform MRI ... • Metabolic Causes ... • Closed Head Injury ... Diagnosis #Algorithm #Causes
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... Anterior column: AAL ... column: PLL: Posterior ... fractures: Don't cause ... Classification #Orthopedics
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... Posterior Cord ... involved & the posterior ... #differential #
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
repeated follow-up MRI ... (save $$) Differential ... Salter Harris injury ... always a history of injury ... #clinical #mri
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... Differential diagnosis ... : Posterior capsuloligamentous ... injury ... shoulder #clinical #mri
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
Lachman Test for ... ACL Injury The ... -30 degrees of flexion ... #Test #ACL #Injury ... physicalexam #msk #orthopedics
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
The "double PCL ... parallel to the PCL ... Case description ... Differential diagnosis ... BucketHandle #Tear #knee #mri
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
patellar tendon sharp posterior ... DOES NOT OSD in all ... • MRI is more sensitive ... tibial tuberosity Differential ... patella #clinical #mri
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Case description ... related to avulsive injury ... Differential diagnosis ... however sometimes MR ... Desmoid #clinical #mri