38 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... - Compatible syndrome ... + MRI lesions + ... #Brain #differential ... #radiology #neurology
Diagram of different types of bone tumors that can occur around the knee on XRay -
- punched out lesions ... blade of grass sign ... • Aggressive lesion ... blastic metastatic lesion ... #msk #lesions #
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Diagnosis Algorithm ... papilledema • Horner syndrome ... Space-occupying brain lesion ... #neurology #PHANTOMS
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
other aggressive lesion ... - punched out lesions ... • Aggressive lesion ... #Bone #Tumors #Lesions ... #Diagnosis #Radiology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... hallucis longus Differential ... osteochondral lesion ... #diagnosis #msk
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ... Differential diagnosis ... hyperreflexia, multiple lesions ... West Nile virus: Headache ... hyperreflexia, spinal cord lesion
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
• Do Not Touch lesions ... Jaffe-Campanacci syndrome ... Differential diagnosis ... for similar lesion ... #diagnosis #msk
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
Periphyseal Edema (FOPE lesion ... ) - MSK Radiology ... description: • FOPE lesions ... Periphyseal #Edema #lesion ... #diagnosis #msk
Intraarticular Chondroma - MSK Radiology
Imaging Findings:
 • Subtle soft-tissue infrapatellar mass seen obscuring Hoffa's fat pad.
• The lesion on ... cartilaginous lesions ... matrix within the lesion ... Differential diagnosis ... #diagnosis #msk
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Disease: Lesions ... CNS symptoms (headache ... Behcet disease) Differential ... #signs #symptoms