31 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... Infectious: ... Syphilis • Pyogenic Abscess ... #Brain #differential
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... - punched out lesions ... ) • Enostosis/bone ... #Bony #Differential ... #lesions #adult
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
other aggressive lesion ... - punched out lesions ... • Aggressive lesion ... #Tumors #Lesions ... #Bony #Differential
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
Bone Tumor Location ... : Only a few lesions ... degenerative subchondral bone ... #Bone #Tumor #Location ... Bony
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions ... #Infections #differential
Parosteal Lipoma - MSK Radiology
Imaging Findings:
 • Frontal radiograph displays a radiolucent soft-tissue mass with internal
• The lesion is ... arise from the bone ... periosteal new bone ... uptake on bone ... scan with new bone
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
Periphyseal Edema (FOPE lesion ... description: • FOPE lesions ... and bone bridging ... • Bone contusion ... Periphyseal #Edema #lesion
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
etc) • CNS -> ... Space occupying lesions ... Brain tumor • Lesions ... : Brain abscess ... Lesions Of The Peripheral
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
geographic, lucent lesion ... Differential diagnosis ... for similar lesion ... : • Simple bone ... • Aneurysmal bone
Liposclerosing Myxofibrous Tumor (LSMFT) - MSK Radiology
Imaging Findings:
 • Geographic lucent lesion with sclerotic margin in
enhancement of the lesion ... fibro-osseous bone ... Differential diagnosis ... for bone lesion ... • Aneurysmal bone