17 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #radiology #neurology
Diagram of different types of bone tumors that can occur around the knee on XRay -
- punched out lesions ... • Aggressive lesion ... blastic metastatic lesion ... #Differential # ... #msk #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 ... #Lesions #Bony ... #Differential #Diagnosis
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions ... diagnosis #AIDS
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
and infects the CNS ... bilateral white matter lesions ... lesions, which ... Diagnosis: MRI ... disorder #dementia #AIDS
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
pulmonary etc) • CNS ... Space occupying lesions ... system: Brain tumor ... • Lesions of ... Lesions Of The Peripheral
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
2-hyperintense lesion ... This lesion displays ... • The lesion is ... Differential diagnosis ... #diagnosis #msk
Liposclerosing Myxofibrous Tumor (LSMFT) - MSK Radiology
Imaging Findings:
 • Geographic lucent lesion with sclerotic margin in
(LSMFT) - MSK Radiology ... enhancement of the lesion ... fibro-osseous bone lesion ... Differential diagnosis ... #Radiology #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
pulmonary • Janeway lesions ... Marantic (NTBE) Differential ... Metastatic disease and tumor ... or destructive lesion ... destructive penetrating lesions
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
osteitis, cutaneous lesions ... pneumonia, skin lesions ... Leprae - Cutaneous lesions ... flare, ocular lesions ... Worsening of cutaneous lesions