20 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... #causes #radiology ... #neurology
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
attacks, 2 or more lesions ... more attacks, 1 lesion ... • 1 attack, 2 lesions ... • 1 attack, 1 lesion ... on 2 or more T2 lesions
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
geographic, lucent lesion ... cortically based lesion ... • Do Not Touch lesions ... for similar lesion ... Central, "cyst-like" lesion
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Soft Tissue Lesions ... Injury • SLAP Lesion ... #SoftTissue #Lesions ... #MSK #Differential ... #Orthopedics #Causes
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... Differential diagnosis ... hyperreflexia, multiple lesions ... dilated pupils, food ... hyperreflexia, spinal cord lesion
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
and Perthes lesion ... This is a Perthes lesion ... stripping → Perthes lesion ... : • Bankart lesion ... #Perthes #lesion
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Lesion in the Spinal ... • Hip dislocation ... Valgus position of knee ... pathophysiology #causes ... #msk
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
Periphyseal Edema (FOPE lesion ... ) - MSK Radiology ... : • FOPE lesions ... atraumatic adolescent knee ... Periphyseal #Edema #lesion
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
WITHOUT Bankart lesion ... Reverse HAGL (RHAGL) lesion ... BHAGL): Avulsion fracture ... shoulder #clinical #mri ... #msk
Orthopedic Splints, Casts, Plasters, Traction and Frames
Upper Limb and Spine 
 • DUNLOP TRACTION: Used in
Orthopedic Splints, Casts ... reduction of hip dislocation ... deformity of hip and knee ... : Spika at 90º flexion ... applied to the foot