12 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... • MRI: Posterolateral ... Trigonum #OsTrigonum #Syndrome ... #clinical #mri
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... • Cauda Equina Syndrome ... such as fibular fracture ... sensory #motor #leg #physicalexam
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
Interesting knee ... An MRI confirmed ... of the complex posterolateral ... Clinical #Video #PhysicalExam ... #Orthopedics #Knee
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... Intra-articulation fracture ... diagnosis #msk #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Inspection - lower extremity ... distinguishing feature ... unilateral lower extremity ... or absent lower extremity ... Imaging studies: • MRI
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain: • Fracture ... Patellofemoral pain syndrome ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
with Hill-Sachs fracture ... the impaction fracture ... and humeral head posterolateral ... lesion #clinical #mri ... #clinical #Radiology
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
Haglund Syndrome ... - MSK Radiology ... description: • Haglund syndrome ... • Stress fracture ... Heel #clinical #mri
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
with Pathologic Fracture ... - MSK Radiology ... • MRI demonstrates ... Jaffe-Campanacci syndrome ... #clinical #Radiology
Subchondral Insufficiency Fracture
Imaging Findings:
 • Circle demarcating the region of edema within the medial femoral condyle.
Insufficiency Fracture ... Osteonecrosis of the Knee ... ) - Fracture line ... #clinical #mri ... #clinical #Radiology